 | A. H. BECK FOUNDATION CO. INC. Specialty Foundation Solutions since 1932 on Commercial, Industrial, Transmission and Heavy Highway construction throughout Southeast U.S., Caribbean, Central/South America and Europe. Drilled Shaft Foundations in any Ground Conditions Including Slurry Displaced SynchroPile ™ Post Grouted Shafts Driven Piling or Augercast Foundation Systems Retaining Walls & Soil Retention Systems Deep Soil Mixing Ground Improvement Vibro Displacement Stone Columns Vibro Displacement Concrete Columns Wick Drain Systems Micropile Foundation Systems Slurry Diaphragm Walls Slurry Cutoff Walls Specialty Equipment and Tool Manufacturing Design Build and Turnkey Foundation Systems | | San Antonio TX USA |
| AECOM USA INC. Geotechnical & environmental exploration, testing & consulting services for above ground & underground design & construction. In-situ testing, including pressure-meter, vane shear, & cone penetration. Complete soil, rock, & material laboratory testing, | | Vernon Hills IL USA |
| APPLIED FOUNDATION TESTING INC. Applied Foundation Testing (AFT) is a Specialty Geotechnical Testing Firm dedicated to Contemporary Foundation Quality Assurance Test Methods. AFT’s services include STATNAMIC® Load Testing of Augercast Piles and other deep foundations, Turn Key Static Load Testing Systems up to 1500 Tons, Strain Gage Instrumentation for Augercast Piles, Automated Data Acquisition, Sonic Integrity Testing (SIT), Singlehole Sonic Logging, Crosshole Sonic Logging, Smartpile® Wireless Dynamic Pile Testing, Conventional Dynamic Pile Testing, PDA® , CAPWAP®, Wave Equation, Noise and Vibration Monitoring, SPT Energy Measurements, Existing Foundation Length Studies and Specialty Engineering. AFT performs testing anywhere in the USA, Canada and Caribbean. | | Green Cove Springs FL USA |
| ARUP Arup is an international multidisciplinary professional design firm with nine offices across North America. Our geotechnical group, with staff based in New York, San Francisco, and Houston provides a wide range of geotechnical services including: site investigations; deep foundations; geohazard assessments, including seismic; retaining structures; bored and cut and cover tunnels; offshore structures; earthworks; and ground improvement, from planning and feasibility, through design and construction, to forensic and expert witness services. | | New York NY USA |
| BEN C. GERWICK INC. Ben C. Gerwick, Inc. is an internationally known civil/structural-consulting firm based in San Francisco, specializing in the design and construction of major marine structures for more than 80 years, first as a heavy construction company, and as consulting engineers since 1971. These marine structures have included: bridge foundations, marine terminals, coastal protection structures, locks, dams, immersed tube tunnels, and offshore structures. Our services also include: Earthquake Engineering, Construction Methods, Value Engineering, Advanced Concrete Technology, Repairs of Deteriorated Concrete Structures, Construction Support, Failure Analysis and Coastal Engineering. | | Oakland CA USA |
| BITTNER-SHEN CONSULTING ENGINEERS INC. Bittner–Shen Consulting Engineers, Inc (BSCE) is based in Portland, Oregon and specializes in the design and construction of major marine structures including: bridge foundations, locks, dams, immersed tunnels, offshore structures, harbor facilities, marine outfalls/intakes, and deep marine foundations. BSCE also provides construction engineering design services for cofferdams, caissons, falsework, specialty construction equipment, and cast & launch facilities. The firm’s design team includes civil, structural, geotechnical and construction engineers with experience on major marine projects worldwide. The firm’s focus is on minimizing construction costs, schedule, and risk through the development of innovative construction methods and equipment for major marine structures. | | Portland OR USA |
| BSM CONSULTING ENGINEERS BSM CONSULTING ENGINEERS provides exceptional planning, design and engineering consulting services associated with the construction of deep foundation systems for buildings, bridges, waterfront/marine structures, marine bulkheads and retaining structures. Typical clients include owners, architects, consulting engineers, general contractors, municipalities (cities, counties and ports), real estate developers and private investors. | | Astoria OR USA |
| COGGINS & SONS INC. For nearly 50 years, Coggins and Sons, Inc. (Design/Build specialty contractor) has provided geotechnical services for the construction industry in the Rocky Mountain region. From the company’s inception, large diameter and deep drilled shaft installation and construction has been the backbone of the business. In addition to drilled shaft construction, we have an in-house engineering staff to design a wide variety of specialty geotechnical projects including landslide stabilization, permanent and temporary earth retention, and foundation support. Our professional construction crews provide quality service and craftsmanship. The crews are aided by one of the largest and most modern fleets of specialized equipment. | | Littleton CO USA |
| CONDON-JOHNSON & ASSOCIATES INC. Deep foundation contractors specializing in all aspects of shoring and underpinning, structural concrete and excavation. | | Oakland CA USA |
| CRAIG OLDEN INC. & OLDEN PROFESSIONAL SERVICES LP For over 35 years, the name Olden has been associated with the construction of earth retention systems and geotechnical solutions, including shoring systems, slope stabilization, ground modification, micropile and drilled shaft foundations. Areas of particular expertise are precision faced soldier pile or nailed systems for one-sided forming of structures. Other areas of expertise are permanent anchored or nail wall systems, and hybrid wall systems developed by Olden. With the synergism of construction and engineering, Craig Olden, Inc. has capability and experience gained from several thousand projects to provide innovative, cost-effective solutions for challenging sites. | | Little Elm TX USA |
| D'APPOLONIA Civil, geotechnical and environmental engineering including: Subsurface exploration and in-situ testing; foundation recommendations and design; underpinning and temporary support; vibration and seismic analysis; foundation remediation and structure reveling; instrumentation; load testing and construction monitoring. | | Monroeville PA USA |
| DELTARES PLEASE PROVIDE DESCRIPTION | | 2600 AB Delft THE NETHERLANDS |
| DRILLING SERVICE COMPANY Drilled Shafts, Earth Retention, Construction Dewatering, Micropiles, Specialized Grouting, Limited Access Drilling, Rock Anchors, Secant Walls, Soil Nail Walls and Slurry Drilling. | | Bridgeton MO USA |
| FOUNDATION SUPPORTWORKS INC. Foundation Supportworks, Inc offers a complete line of foundation products for the repair of existing structures as well as for new construction applications. Foundation Supportworks product line includes helical pile and anchor systems as well as push (resistance) pier systems for underpinning existing commercial and residential structures. With engineers on-staff to assist with preliminary design, and a network of installation contractors that spans the United States and Canada, Foundation Supportworks has the resources needed to get the job done right. | | LaVista NE USA |
| FUGRO CONSULTANTS INC. Deep Foundation Testing, Pile and Shaft Load Tests, Dynamic Pile Testing, Single and Cross-Hole Sonic Logging, Geotechnical Site Investigation, Laboratory Testing, Geotechnical Engineering, Geophysical Engineering, Non-destructive Engineering & Testing, Construction Materials Engineering & Testing and Construction Surveillance. | | Houston TX USA |
| FUGRO INGENIEURSBUREAU bv PLEASE PROVIDE DESCRIPTION | | 2260 AB Leidschendam NETHERLANDS |
| GEI CONSULTANTS INC. Geotechnical Investigations and Reports, Foundation and Excavation Support Design, Dams, Water Resources, Seismic and Vibration Evaluation and Design, Tunneling, Microtunneling, Directional Drilling, Waterfront Engineering, Field and Laboratory Testing, Manage Risk associated with Ground Movement and Environmental Contamination. | | Winchester MA USA |
| GEOCONSULT INC. Geotechnical engineering services including foundation recommendations, excavation and dewatering design, dam design, tunnel design. Firm conducts subsurface investigations including cone penetrometer and SPT, seismic refraction, electrical resistivity, cross-hole shear wave velocity surveys, PIT, and PDA. | | San Juan PR USA |
| GEODESIGN INC. GeoDesign, Inc. offers geotechnical and geo-structural consulting services with specific design experience in deep and shallow foundations, tunnels, earth support systems, controlled blasting, and geotechnical instrumentation. GeoDesign, Inc. also offers construction support services including design of earth support systems and dynamic testing and related analyses with the Pile Driving Analyzer (PDA). | | Middlebury CT USA |
| GEO-INSTRUMENTS Geo-Instruments specializes in the manufacture and supply of sensors and systems to measure movement, pressure, vibration and other environmental changes in structures, soil and rock. Their instrumentation is designed to monitor naturally occurring movement as well as man-made events. Project Engineers can obtain data for applications such as; blasting, excavations, dewatering, drilling, and tunneling. They employ a variety of unique systems designed to collect data from challenging locations. Project data can be obtained instantly from anywhere with an internet connection. They draw on a wide variety of experience in Geotechnical Instrumentation, Information Technology, Construction and Engineering solving challenging projects. | | Narragansett RI USA |
| GEOPIER FOUNDATION COMPANY INC. Geopier Foundation Company is a design-build ground improvement contractor specializing in Intermediate Foundations® using Rammed Aggregate Pier® systems. | | Mooresville NC USA |
| GEOSCIENCES TESTING & RESEARCH INC. Deep foundation design and testing; earth support design; CSL and PEM integrity testing; dynamic and static load testing; instrumentation, and vibration monitoring. | | N. Chelmsford MA USA |
| GEOTEKNIK A.S. Soil investigation, geotechnical consultancy, deep excavations, piling, jet grouting, wick drains, soil improvements, soil nailing anchors, geotechnical engineering, design | | Istanbul 80230 TURKEY |
| GPE INC. Drilled Shaft Inspection and Testing Equipment, Soil Testing Equipment. | | Gainesville FL USA |
| GRL ENGINEERS INC. Professional engineering consulting services for the deep foundation industry including remote dynamic pile monitoring, dynamic load testing (including APPLE for large shafts), pile & shaft integrity assessment (low strain and CSL), GRLWEAP analysis including driveability, SPT, Becker Drill and Driving hammer performance assessment, evaluation of existing foundations. | | Cleveland OH USA |
| GROUND ENGINEERING CONSULTANTS INC. Founded in 1984, GROUND Engineering Consultants, Inc. is a client-oriented engineering firm providing full service of geotechnical engineering, environmental engineering, construction materials testing, and special inspection from 5 locations with a staff of over 140 engineers, geologists and technicians. GROUND is experienced in geotechnical investigation and design, construction materials testing, structural steel weld testing and inspection, building inspection, geologic hazard evaluation, landslide investigation and mitigation, geotechnical instrumentation, rock slope stability analysis, earth retention system design and evaluation, pavement design and evaluation, pavement management programs, environmental engineering, and full service laboratory testing. | | Englewood CO USA |
| GROUND ENGINEERING CONTRACTORS (GEC) PLEASE PROVIDE DESCRIPTION | | Al-Khobar 31952 SAUDI ARABIA |
| GRUPO SANDSTORM GAM S. A DE C.V. Geotechnical design and construction. | | Guadalajara Jalisco 45040 MEXICO |
| GZA GEO ENVIRONMENTAL INC. GZA GeoEnvironmental Inc. is a full-service geotechnical/environmental/geohydrogical consulting firm specializing in deep foundation design, non-destructive testing (PDA/CSL/PIT), earth support design, geotechnical/structural/deep foundation instrumentation, site investigations, laboratory testing and construction observation. | | Norwood MA USA |
| HALEY & ALDRICH INC. Geotechnical Infrastructure Development, Forensic Consulting & Expert Services, Energy Facilities Development, Site Remediation, Geothermal Energy Systems, Environmental & Regulatory Strategies, Property Development & Transaction Support. | | Boston MA USA |
| HAMZA ASSOCIATES Consulting Engineering. | | Cairo 12311 EGYPT |
| HELLER AND JOHNSEN Geotechnical engineering firm with experience in pile foundations, waterfront structures, cofferdams, forensic investigations/expert witness testimony, dewatering, underpinning, controlled blasting and rock excavation, construction monitoring, tiebacks, soil nailing, vibration monitoring, auger-cast, micropiles, grouting, shotcreting, wave equation analysis and PDA. | | Stratford CT USA |
| HTM CONSTRUCTION COMPANY HTM Construction Company is a Design/Build contractor specializing in soil nails, rock bolts, micropiles, tiedowns, underpinning, shoring and landslide stabilization. | | Lakewood CO USA |
| INTERBORE PTE LTD Foundation engineering & construction | | Singapore 629346 SINGAPORE |
| ISHERWOOD Geostructural Consulting Engineers, specializing in all types of soil structures in the field of foundations and earth retention. Services include the design of all types of foundations, including micropiles; design and review of temporary works for the support of excavations, shafts and tunnels; slope stabilization and permanent earth retention walls; specialist field instrumentation monitoring and inspection; advice on costs and techniques; grouting; assist with project management of foundation construction. | | Mississauga ON L5L 5M5 CANADA |
| JACOBS ASSOCIATES Jacobs Associates (JA), a specialty civil engineering consulting firm, serves the design and construction industry with a primary focus on underground projects, always cognizant of economics, contractual responsibilities, and the physical realities of construction. JA implements many of the underground construction technologies DFI represents including slurry walls, augered cast-in-place piles, driven piles, drilled-in micro-piles, drilled shafts, caissons, tie-backs, soil nailing, soil mixing, ground freezing, and the use of various grouting techniques. In addition, JA provides services in construction management, construction analysis and claims/disputes resolution. | | San Francisco CA USA |
| JENNMAR CORPORATION Material Supplier | | Pittsburgh PA USA |
| JOHN V. DINAN ASSOCIATES INC. Pre & Post Construction Inspections and MonitoringServices. | | Fort Lee NJ USA |
| KLEINFELDER Geotechnical Engineering, Materials Testing, Construction Management, Environmental Engineering. | | Sacramento CA USA |
| LANDMARKER GEOSPATIAL LLC Machine Control and Automation. Surveying and Engineering. Integration of technology into the construction process. | | Wharton (Jefferson Township) NJ USA |
| LANGAN ENGINEERING AND ENVIRONMENTAL SERVICES Geotechnical and Environmental engineering services from our offices in NJ, NY, FL, CA, CT, PA, NV and VA offices; and internationally in Athens and the United Arab Emirates. Langan provides design/consultation for deep foundations, waterfront structures, piers, bulkheads, temporary and permanent excavation support, performs controlled engineering inspections, and provides expert testimony. | | Elmwood Park NJ USA |
| LEDCOR FOUNDATIONS Complete piling operations. Drilled caisons, driven piles, sheet piling, rock socketed piling, and pile caps. | | Edmonton AB T6E 5H8 CANADA |
| LMW ENGINEERING GROUP LLC Geotechnical Engineering, Earth Retaining Structure Analysis & Design Pre-Construction Inspection & Structural Monitoring, Seismic Evaluation & Monitoring, Special Engineering Evaluation & Investigation, Controlled Inspection as per NYC Building Code, Testing & Inspection Services: Drivability Study; Pile Static Load Testing; Pile Dynamic Load Testing (PDA); Pile Integrity Testing; Pile Driving Inspection. | | Linden NJ USA |
| LOADTEST INC. Specializing in bi-directional deep foundation testing using Osterberg Cell (O-cell) technology. Loadtest, Inc. provides O-cell testing equipment, installation assistance, planning and specification support, field load testing and analytical services. Drilled Shaft callipering. | | Gainesville FL USA |
| MACTEC ENGINEERING & CONSULTING INC. Deep foundation design and installation inspection; Pile driving analyzer (PDA) testing; Static load testing of deep foundations; Internal instrumentation of piles and drilled shafts; Geotechnical explorations; In-situ testing using the Marchetti Dilatometer. | | Jacksonville FL USA |
| MALCOLM DRILLING CO. INC. Malcolm Drilling Company was started in 1962 and since then has grown to be one of the largest foundation contractors in the United States. Malcolm’s key competencies include deep soil mixing, cutter soil mixing, walls for excavation support, drilled shafts, auger cast piles, Omega displacement piles, inclusions, jet grouting, micropiles and anchors, among others. Malcolm provides these services nationwide through its network of regional offices and shops in San Francisco, Los Angeles, San Diego, Seattle and Las Vegas. | | San Francisco CA USA |
| MORPHY MAKOFSKY INC. Foundation and structural engineering. | | New Orleans LA USA |
| MORRISON ENGINEERS PLLC Structural Engineering Design Services for Heavy Civil, Commercial, State and Local Government, Educational and Private Owners. Design Services include: Deep Excavation Plans to include ground support methods such as soil nail walls (temporary & permanent), anchored sheet-pile walls, braced cofferdams and sloped excavations. Deep foundation designs to include micro-piles, auger cast piles, caissons, driven H-piles and timber piles. Structural framing to be supported by special foundations. | | Raleigh NC USA |
| MOS GRONDMECHANICA BV Mos Grondmechanica B.V. employs activities in the field of geo-technical, geo-hydrological and environmental soil investigation. These activities include: in-situ testing (e.g. cpt's, spt's, pressiometer tests, borings, observation wells, pump and infiltration tests); laboratory testing (e.g. triaxial tests, direct shear tests, oedometer tests, permeability tests); sampling of soil and groundwater (disturbed and undisturbed sampling); land surveying (e.g. setting out and levelling, detailed measurements of conduits and buildings); monitoring (e.g. settlements, vibrations, groundwater levels and pressures, sonic integrity testing of piles, soil compaction control)and consultancy (e.g. recommendations for shallow and pile foundations, embankments, retaining walls, dewatering.) | | 3160 AA Rhoon THE NETHERLANDS |
| MUESER RUTLEDGE CONSULTING ENGINEERS Foundation Design and Soils Engineering including: Design of Foundations for Buildings, Bridges and Dams, Marine Structures; Bored and Cut and Cover Tunnels; Geotechnical Studies, Tests and Reports, Design of Bulkheads and Cofferdams, Underpinning, Sheeting and Bracing, Slurry-Walls and Trenches: Inspection and Forensic studies. Alternative Fax #: 212/ 953-5626. | | New York NY USA |
| MUNICON CONSULTANTS Municon Consultants provides geotechnical instrumentation services to engineers and contractors in the heavy construction industry for monitoring excavations & structures appurtenant to construction projects such as highways, bridges, dams, tunnels, deep excavations & underpinning work. Equipment includes piezometers, settlement platforms, tiltmeters, beam sensors & inclinometers. Remote Reading capable via dataloggers and remotely with solar power & cell phone access. Municon is also purveyor of Remote Reading vibration monitoring services for heavy construction on the West Coast with over 60 general purpose construction monitoring seismographs and accelerometers. We provide services for blasting, pile driving, deep dynamic compaction, stones columns, pipe bursting, demolition & general construction. | | San Francisco CA USA |
| NEIDHARDT GRUNDBAU GmbH Founded in 1984, Neidhardt Grundbau specializes in designing and executing micropiles and anchorings of all kinds within Germany and bordering regions. | | 21109 Hamburg GERMANY |
| OLSON ENGINEERING INC. Olson Engineering, Inc. is a leader in nondestructive evaluation (NDE) and internal condition assessment of civil structures and infrastructures throughout the world. They have a strong background in foundation depth and integrity field-testing. Methods include Crosshole Sonic Logging, Single Sonic Logging, Sonic Echo, Impulse Response, and Parallel Seismic. Speciality testing includes Vibration Monitoring and Data Acquisition. Olson Instruments designs, engineers, and manufacturers a wide range of NDE test instruments and software for quality assurance of deep foundations. | | Wheat Ridge CO USA |
| PB&A INC. Engineering Design & Inspection of Earth Retention Systems, including Soil Nailing, Micropiles, Conventional Shoring: Tiebacks, Caissons, Emergency Slide Repair, Deep Shafts, Soldier Piles & Post-tensioned tangent piles. | | San Anselmo CA USA |
| PETERSON GEOTECHNICAL GROUP Forensic Geotechnical Engineering | | Chandler AZ USA |
| PILLORI ASSOCIATES Pillori Associates offers a full scope of geotechnical engineering services for all aspects of project development, starting with conceptual design, through design development, construction, and post construction performance. Services include: Subsurface Soil and Groundwater Investigations, laboratory testing for Classification of Soils and Identification of Engineering properties, Soil Analyses and Evaluations, Selection of Foundation type and Basis for Design, Design of Earthworks and Methods of Construction, Design of Foundations and earth-Retaining Structures, Construction Supervision and Consultation, Controlled Inspections, Post Construction Monitoring and Forensic Investigations and Evaluations. | | Lawrence Harbor NJ USA |
| PMK GROUP INC. Asbestos Management, Geoenvironmental Consulting, Geotechnical Engineering, Environmental Regulatory Compliance/hazardous material Mgt, Remediation Technologies and Engineering (RTE), Underground Storage Tank Consulting. | | Cranford NJ USA |
| PND ENGINEERS INC. Engineering Consultants, Marine Facilities, Coastal Engineering, Bridges/Structures, Foundations, Hydrology/Hydraulics, Permafrost and Ice, Facility Planning, Construction management, Surveying, Highways. | | Anchorage AK USA |
| RWH ENGINEERING INC. Geotechnical Engineers specializing in soil stabilization, foundation design, load testing, monitoring and soil retention structures. | | Ayr ON N0B 1E0 CANADA |
| SCHNABEL ENGINEERING LLC Geotechnical/Geostructural Engineering Services for Designers, Contractors and Owners. We provide a full range of services from site identification through detailed design recommendations, complete plans and specifications, construction drawings, and resident engineering services, providing continuity from design through construction. Some specialty areas of our services include Deep Excavations, Tunneling, Embankment and Rock Slope Stability, Dams, Geophysical and Vibration Services, Geoenvironmental, and Construction Resident Engineering/Monitoring. | | West Chester PA USA |
| SESI CONSULTING ENGINEERS Consulting Engineers. | | Pine Brook NJ USA |
| SHANNON & WILSON INC. Providing quality services in geotechnical and environmental engineering, specializing in geologic investigations and explorations, feasibility studies, foundation studies for large structures such as bridges, skyscrapers, piers and retaining walls, and constructability evaluations. Speciality also includes hazardous waste management and environmental services. | | Seattle WA USA |
| SKANSKA USA CIVIL NORTHEAST Contractor | | Whitestone NY USA |
| SOIL NAIL LAUNCHER INC. Slope stabilization and landslide repair. | | Fruita CO USA |
| SUBSURFACE CONSTRUCTORS INC. Subsurface Constructors offers a comprehensive list of services for deep foundation and ground improvement solutions, including design/build and site investigation capabilities. We are a full service geotechnical contractor and ground improvement specialists with over 100 years of experience in the deep foundation industry. Our foundation construction and engineering expertise, combined with a large and varied fleet of equipment, allow us to provide the following foundation services: Foundation support: Site Investigation, Earth Retention Systems, Drilled Shafts, Augercast (CFA) Piles, Driven Pile, Rock Anchor Systems, Micropile and Restricted Access. Ground Improvement: Vibro Stone Columns, Vibro Concrete Columns, Vibrocompaction, Dynamic Compaction and Rapid Impact Compaction. | | St. Louis MO USA |
| SYNCHROPILE INC. SynchroPile, Inc. provides patented technology related to post stressing of drilled shaft and driven piling tips using pressure grouting techniques to significantly increase ultimate bearing capacity. Increased capacity is achieved when the post stressing of the shaft/pile tip mobilizes the deformation of the supporting bearing strata, thereby developing increased available end bearing. The technology also provides proofing of each drilled shaft or driven pile, thus providing quality assurance of final bearing capacity of each and every drilled shaft or driven pile. SynchroPile technology has been utilized on FHWA – Western Federal Lands, Florida DOT, South Carolina DOT, Texas DOT as well as many private projects. | | San Antonio TX USA |
| TARRA ENGINEERING INC. Structural Engineering Firm Specialized in Shoring and Foundation Structures; Construction Engineering. | | Markham ON L3R 0J9 CANADA |
| TECTONIC ENGINEERING & SURVEYING CONSULTANTS P.C. Tectonic Engineering & Surveying Consultants P.C. is a leading provider of professional engineering services offering contractors one source for expertise in geotechnical engineering, laboratory testing and construction survey services. Specialties include: Geotechnical Engineering, Subsurface Investigations, Environmental Permitting, Special Inspections, Construction Materials Laboratory Testing, Pre-Construction Surveys, Vibration Monitoring, Surveying and Construction Layout. | | Mountainville NY USA |
| THATCHER ENGINEERING CORPORATION Specialty contractor performing all types of deep foundations, earth retention, and marine construction. We have in-house engineering for design-build work. Services include: driven piling, augercast piles (ACIP, CFA), micropiles, jacked piles, underpinning, grouting, sheet piling, soldier beam and lagging, secant pile walls, soil nails and shotcrete, soil anchors, tiebacks, shore protection, dockwalls, cofferdams, hydraulically pressed piles. | | Gary IN USA |
| TRC ENGINEERS INC. TRC Engineers, Inc. (www.trcsolutions.com) is one of the leading providers of engineering design and permitting services in the energy, transportation, environmental, and infrastructure sectors across the country with over 100 offices and 2700 personnel nationwide. Within the infrastructure sector, TRC’s Geotechnical Group includes an experienced staff of geotechnical engineers, geologists, inspectors, technicians, drillers, and support personnel providing geotechnical investigations and designs, test borings, geotechnical laboratory testing, Pile Dynamic Analysis (PDA), and vibration monitoring services on all types of deep foundation projects. TRC owns and operates PDA computers/equipment, seismographs, and over 15 geotechnical drilling rigs including ATV, track, skid, and low headroom equipment. | | Mt. Laurel NJ USA |
| TREADWELL & ROLLO INC. Professional consulting services in geotechnical, earthquake, and environmental engineering and sciences. Deep foundation project experience includes skyscrapers, piers and wharves, retaining walls, bridges, hospitals, schools, and major shoreline developments. Specialties also include construction quality assurance, technical support of counsel, and characterization and remediation of sites with severely impacted environmental conditions. | | San Francisco CA USA |
| TREVI SpA Slurry walls, caissons, micropiles, grouting, jet grouting, deep soil mixing, anchors, ground improvement, tunneling, tunneling consolidations, minipiles, driven and drilled shafts, slurry trenches, vibro flotation, ground freezing, dams rehabilitation. | | 47023 Cesena ITALY |
| TROW ASSOCIATES INC. Trow remains a leader in geotechnical engineering and is innovative in the design and construction of deep foundations. Other fields of activity include: Mining & Pipeline Services; Environmental; Transportation and Municipal Infrastructure; Building Science and Rehabilitation; Waste Management; and Materials Technology. All services are fully supported by comprehensive laboratory facilities and computing systems. Trow is proud to have been named as one of Canada's 50 Best Managed Companies in 2001. | | Brampton ON L6T 4V1 CANADA |
| VACHRIS ENGINEERING P.C. Specializing in the fields of geotechnical, heavy, foundation, and marine construction engineering; including steel, timber and concrete structures, walls, all types of foundations, soils, grouting, all types of piles, caissons, temporary and permanent excavation support, cofferdams, grouted or helical tiebacks, earth and rock anchors, tunnels, underpinning, bridges, sub-aqueous pipelines, coastal structures, seawalls, bulkheads, revetments, docks, marinas, piers, mooring & berthing facilities. | | Garden City NY USA |
| VERMEER MACHINE TECHNIEK B.V. Vermeer Machine Techniek B.V. is the largest Dutch manufacturer of compact piling and drilling rigs with winches from 7500 N to 60000N and rotary tables from 13 kNm to 450 kNm. We have sold over 300 rigs in more than 20 countries. Through a dealer network we service our durable rigs all over the world. Our rigs contain high quality components and are delivered with CE marking. | | 2131 AA Hoofddorp NETHERLANDS |
| WILLIAM F. LOFTUS ASSOCIATES FOUNDATION ENGINEERS PDA test; vibration monitoring; Wave Equation analysis; integrity testing; inspection; design and consultation. TNO equipment for PDA, integrity test. | | Englewood Cliffs NJ USA |
Deep Foundations Institute - 326 Lafayette Avenue - Hawthorne, NJ 07506
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