Subsurface utility engineering, right of way, geophysical exploration, serving a wide range of industries and government agencies nationwide.

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.

An engineering construction company using trenchless technology.

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."

Full service construction company. Lists company profile, information about its services and current job openings.

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.

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.

A minority-owned consulting engineering and surveying firm founded in 1976 and located in the northeast USA.

CDM provides consulting, engineering, construction, and operations services for both private and public clients. CDM has in-house trenchless technology expertise.

Offering a diverse range of environmental and engineering consulting services in the U.S. and internationally.

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.

A multi-disciplinary Canadian consulting firm based in British Columbia providing engineering and environmental consulting services to both private and public clients.

Research and scientific services. Stability analysis of tunnels, finite elements, slope and dam stability. Development of instruments for measuring deformations and (indirectly) pressures.

Offers borehole surveying, geophysical logging and interpretation to the mining, mineral exploration and civil engineering industries in Australia, New Zealand and South East Asia.

Offers planning, engineering design, and construction management services by implementing practical solutions for environmental, transportation, water resources, industrial, and commercial projects.

Offers multi-disciplined engineers and scientists to deliver integrated geotechnical, environmental, and water-related planning, design, and construction solutions.

Consultants in geotechnical and underground construction, microtunneling, machine selection, pre-bid estimates, problem solving, and differing site conditions.

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

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.

Co-ordinated group of highly qualified engineers, who pool their expertise to provide a comprehensive specialist consulting service in geotechnics.

Provider of locating services for utilities and private firms that outsource the responsibility of preventing damage to their underground facilities. Overview of services, company background, employee training requirements, and client-only area. Based in Omaha, Nebraska.

Bob Green came out of the communications utility marketplace, and uses his sales and promotional talents to help people develop their internet marketing.

Founded in 1964, GRW is a full-service engineering, architectural, planning and digital mapping firm with more than 200 employees located in six offices nationwide. Since 1972, GRW has been continually ranked in the Engineering News Record's top 500 consulting engineering firms in the U.S.

HGI provides geological and geophysical consulting services for underground construction, including tunnel mapping and all forms of vibration monitoring: TBM, blast, and pile driving. WBE certified.(Trenchless technology contact: Mario Carnevale.)

The program managers, civil engineers, and construction managers at Harris & Associates serve the specialized needs of public agencies in the West.

Providing services to the water and construction industry, Haswell offers a complete range of engineering skills to support client specific requirements. All projects are undertaken using selected experienced teams linked with a high level of engineering and professional expertise, combined to provide our clients with a complete tailor-made package.

Ground Improvement solutions. Only Hayward Baker, North America's leading specialty contractor, has the diversity of Ground Modification techniques to offer the optimum solution to your soils problems.

Horizontal Well & Environmental Consultants, LLC (HWEC) has over five years experience in the horizontal well (HW) marketplace and is currently providing consulting services for several large national engineering construction firms, chemical manufacturers, drill rig manufacturers, well material suppliers, and government agencies. HWEC has provided technical advice, project management, and/or field management on numerous horizontal well projects.

J. D. Hair & Associates, Inc. (JDH&A) is a professional corporation which was established in 1987 and is based in Tulsa, Oklahoma. The firm's objective is to focus creative engineering talent on projects involving the installation of buried utilities by trenchless construction methods. In the twelve years since its founding, JDH&A has been involved in over 50 miles of trenchless utility construction covering pipe diameters from four to forty-eight inches.

A San Francisco-based consulting engineering firm providing engineering design, claims, and construction management services for contractors, public agencies, and private owners, attorneys, and surety and insurance companies.

Consultants in all aspects of underground utility and structure construction and rehabilitation. Commercial, technical and market studies consultants to the underground industry.

A full-service engineering and environmental sciences consulting firm, serving clients throughout the Western United States and in Washington D.C.

A national project and construction management consulting firm. Services include program management, construction management, project management, project controls, cost engineering, cost estimating, scheduling, document control, management information systems, value engineering, constructability reviews, quality assurance and inspection. Experience includes trenchless technology projects.

A full service geotechnical contracting company which provides environmental assessment services. Landau has trenchless new construction experience.

The LGA is a modern testing, consultancy and technical service organization with a staff of 1,000, providing world-wide technical services for business, consumers and the public sector. Has performed long-term behavior analysis of CIPP in Germany.

We carry out bespoke mechanical and structural design engineering across virtually all engineering disciplines for clients throughout the world. Bennett has extensive tunneling experience.

Sewer, stormwater and water system field inspection and testing services. Flow monitoring equipment and services. Water use surveys. Engineering studies.

We are a full-service executive search and professional recruiting firm serving the construction industry exclusively.

Engineering and Planning Company (based in Germany) for trenchless Technology and underwater construction

Engineering firm offering more than 3,600 specialists located in more than 30 countries.

Specialized foundation engineering services since 1910.

Naylor Engineering Associates Ltd. is a Kitchener, Ontario based consulting engineering firm founded in 1983. Our staff comprises over 35 experienced engineers, hydrogeologists, technologists, drilling personnel, and support staff. Specialty services in geotchnical and environmental engineering, Drilling services, Earthworks supervision and inspections, Laboratory testing of soils, concrete and asphalt.

With over 35 years of experience Northeast Consulting helps companies move their ideas to reality. The complete source for Consulting services (including web site development and hosting) associated with the Trenchless Technology Industry.

Geotechnical research, development, and advisory services in such fields as microtunnelling, auger & guided boring, and directional drilling.

Provides start-to-finish project services with engineering design, construction, contract operations, laboratory analysis, and manufacturing, internationally.

Specialists in planning, design of geo-environmental systems, management of risks, hazards - crisis for transportation, natural resources, chemical, petrochemical, construction - energy industries. Services include trenchless tunnel design.

Olsson Associates offers consulting engineering services in the fields of civil, structural, water resources, environmental sciences, transportation, land planning, electrical/mechanical engineering as well as surveying, and construction phase services. Services include trenchless technology.

P.R. Fletcher & Associates, Inc. Civil Engineers and Land Surveyors, based in Denver Colorado.

Founded in 1885. Major practice areas in energy, environmental and facilities engineering. Over 200 offices worldwide.

One of the world's largest engineering and construction organizations specializing in infrastructure, transportation, planning, environmental, industrial manufacturing, and energy and chemicals for private industries and government agencies.

Marketing firm serving the engineering and construction industries.

Provides comprehensive engineering services across the full range of engineering disciplines for clients locally, regionally, and nationwide. Civil engineering projects have included trenchless pipe rehabilitation.

Dower industry engineering, design and project management.

Pipeline inspection services including sonar profiling, televising via robotics, and geophysical surveys.

A Canadian municipal engineering and surveying company, located in British Columbia, Canada. Offices in Surrey, Burnaby, and Squamish. Services include trenchless technology.

Technical capabilities include water supply/wastewater, civil, geotechnical, structural and environmental engineering, as well as architectural and building services. SEA has in-house trenchless technology expertise.

Offers subsurface utility engineering services to aid in the design of site, right-of-way, construction, and project development plans.

SoftDig uses vacuum excavation along with advanced designation methods to provide the safest methods for finding utilities.

A sonar sewer inspection services company. Features brochures and an overview of available reports with photos and 3D images.

Australian water and sewerage agency participating in research related to auger and guided boring, directional drilling, impact moling, pipe ramming, thrust boring, pipe bursting, pipe pulling, and pipe splitting.

We are a field engineering company specializing in storm, wastewater flow monitoring, pipeline pigging, data collection, reservoir cleaning, fire flow testing and hazardous materials management.

For over eighty-five years, client needs and dreams have been transformed into problems solved and visions realized. Listening to clients and acting in their best interests keeps an eighty-five year old firm innovative and vibrant. The Stanley Group has in-house trenchless technology experience.

Hawaiian based consulting firm with trenchless technology experience.

Formerly, Cella Barr Associates, Inc. an ENR Top 500 Firm for the last 16 years, CBA provides engineering, consulting, and design services to both public and private clients in the areas of Land Development, Building, Water Resources, Transportation, and Parks & Recreation.

SubTerra, Inc. is an engineering company specializing in mining, geotechnical and environmental engineering. Our experienced engineers, geologists and team of specialist associates allow us to offer a broad range of engineering services for each stage in the investigation, design and construction phases of mine and civil projects.

The C&S Companies have offices in New York, New Jersey, and Ohio. Providing practical solutions to planning, design, construction, maintenance and operations challenges. Our four companies--Engineers, Design Build, Technical Resources, and Operations work together to provide a custom approach to problems. Services include trenchless technology design.

The Thurber Group has offices in Victoria, Vancouver, Calgary, Edmonton, Fort McMurray, and Toronto. Professional services include tunneling and trenchless technology.

Our goal is to help preserve and raise the standards in the trenchless pipeline rehabilitation industry. It doesn't do any good to have a set of specification created where one contractor bids the job as specified and another contractor figures he won't follow the specifications because the inspector won't understand the difference.

TTCCI lets you keep your business operational above ground while rehabilitating your pipelines below. We specialize in trenchless pipe repair and rehabilitation and can safely and effectively identify pipeline problems in a variety of settings.

Small Business Administration (SBA), 8(a) certified professional engineering firm with offices around the country. Primary expertise is projects related to water and wastewater, water resources, transportation, environmental engineering, GIS, civil design, & construction management. Services include trenchless pipe rehabilitation consulting.

Provides underground utility locating services. A subsidiary of Dycom Industries, Inc., is a service organization for the major utility companies in the United States. From underground utility locations, to engineering and other services.

Offers a range of pipe inspection and testing services. Services include video inspection, pressure and smoke tests, and laser profiling.

Specializing in the investigation of the sewer system infrastructure & the development of rehabilitation programs to reduce I&I.

Water Support Services provide a comprehensive range of innovative solutions and services to the problems of conserving water and preventing wastage.

A full service environmental and infrastructure engineering consulting firm.

WRc is a knowledge-based company with a strong R&D foundation and a wide range of scientific and engineering skills in the environmental field.