- ADS Environmental Services
ADS Environmental Services, provides comprehensive water and wastewater system diagnostic services to municipal agencies and consulting engineers worldwide. Services include long-term and temporary flow monitoring in sanitary, combined, and storm sewers; field inspection services including system inventory, manhole inspection, smoke testing, dyed water testing, line cleaning and TV inspection; leak detection; and water auditing.
- Baystate Subsurface Investigation, Inc.
Subsurface Engineering and Investigations of BSI precsisely determines underground utility locations through non-destructive air excavations and aviods the problems of poor records, improper notification and excavation errors that contribute to make expensive digs.
- Black & Veatch
An engineering construction company using trenchless technology.
- Blackhawk - Pipeline Assessment Services (PAS)
Blackhawk-PAS provides advanced digital video sewer and pipeline inspections for the Trenchless Technology and Subsurface Utility Engineering markets using the Sewer Scanner Evaluation Technology (SSET).
- Blackhawk Geometrics and GEOVision Geophsyical Services
Blackhawk Geometrics & GEOVision provide geophysical services for UXO,Oil & Gas, infrastructure, geotechnical, groundwater and mining applications. Methods include 2D & 3D seismic, GPR, MTADS, EM & TDEM."
- Bowen Engineering Corporation
Full service construction company. Lists company profile, information about its services and current job openings.
- Boyle Engineering Corporation
A consulting engineering firm providing a full range of civil, electrical, mechanical, structural, environmental, instrumentation, transportation, surveying and water resources engineering services to public and private clients throughout the world.
- Brierley Associates
Specializes in providing management consulting services for major underground construction projects including: project planning and layout, geotechnical report preparation, risk assessment, contract documents, dispute resolution, claims analysis, and forensic investigations.
- Bryant Associates, Inc.
A minority-owned consulting engineering and surveying firm founded in 1976 and located in the northeast USA.
- C&B Associates II Ltd
Construction management firm specializing in the design/build of fiber optic cables, including trenchless installations.
- Camp Dresser & McKee [CDM]
CDM provides consulting, engineering, construction, and operations services for both private and public clients. CDM has in-house trenchless technology expertise.
- CH2M Hill
Offering a diverse range of environmental and engineering consulting services in the U.S. and internationally.
- Compton Engineering
a Gulf Coast company founded in 1973 by Lloyd Compton. Today Compton Engineering is a well-established consulting firm providing expertise for clients in the areas of both civil and environmental engineering. Experience includes directional boring.
- Dayton & Knight Ltd.
A multi-disciplinary Canadian consulting firm based in British Columbia providing engineering and environmental consulting services to both private and public clients.
- Downhole Surveys Pty Ltd,
Offers borehole surveying, geophysical logging and interpretation to the mining, mineral exploration and civil engineering industries in Australia, New Zealand and South East Asia.
- Gannett Fleming
Offers planning, engineering design, and construction management services by implementing practical solutions for environmental, transportation, water resources, industrial, and commercial projects.
- GEI Consultants, Inc.
Offers multi-disciplined engineers and scientists to deliver integrated geotechnical, environmental, and water-related planning, design, and construction solutions.
- GeoConSol, Inc.
Consultants in geotechnical and underground construction, microtunneling, machine selection, pre-bid estimates, problem solving, and differing site conditions.
- Geoconsult Consulting Engineers
Geological, hydrogeological and geophysical investigations, feasibilty studies, general project studies, detailed design, project management, alternative proposals, environmental impact assessment, public relations, cost estimating, tender documents, bid evaluation, construction supervision, quality control, technical assistance, value engineering, expert opinion, arbitration, construction consulting, training programmes
- GeoSpec - Engineering and Environmental Geophysics
Nondestructive subsurface services for Subsurface Utility Engineering, locating utilities, subsurface objects, structural evaluation, locating steel and voids in slabs and walls, general geophysical surveys, and vacuum excavation.
- Geotechnical Consulting Group
Co-ordinated group of highly qualified engineers, who pool their expertise to provide a comprehensive specialist consulting service in geotechnics.