Environmental Crossings Inc.
- Directional drilling for water, sewers, petroleum, communication bundles and power lines. Locations in Michigan, Texas, and Puerto Rico.
- http://ecihdd.com/

Telephone Company of Houston [TCH] Construction
- Offers directional drilling and conventional boring. Additionally, designs, engineers, and fabricates a variety of products.
- http://www.cablerunners.com/

Propel Berhad
- Offers specialised trenchless construction technology services such as microtunnelling, pipe jacking, horizontal directional drilling and thrust boring.
- http://www.propel.com.my/

Badger Daylighting Excavation Services
- Utility locating and vacuum excavating contractor specializing in utility damage prevention based in Kalamazoo, MI.
- http://www.worksmartinc.net

Infrastructure Systems, Inc.
- Specializing in all phases of water and sewer installation and repairs, including directional boring. Also all phases of building construction and demolition.
- http://www.infrastructuresystems.com

Environmental Drilling Services
- EDS (located in De Pere, Wisconsin) offers a complete line of drilling services. We are experienced in the following areas of drilling: auger, mud rotary, air rotary, rock coring and directional drilling.
- http://edsservices.com/

McAllister Brothers
- Inspection, maintenance and installation of pipelines and sewers. Includes company profile and information on the trenchless techniques used.
- http://www.mcallisterbros.com/

Mitchell Drilling Contractors
- Australian based company involved in the exploration for coal and methane gas in-seam drilling, dewatering and pumping, semi and balanced drilling, gas production and monitoring.
- http://www.mitchelldrilling.com/

D.H. Blattner
- D.H. Blattner & Sons, Inc. is a heavy civil and mining contractor providing services throughout North America. Founded in 1907 by D.H. (Henry) Blattner, today D.H. Blattner & Sons, Inc. has entered its fourth generation of management. Our serv
- http://www.dhblattner.com/

Australian Communications Engineering
- Australian Communications Engineering (ACE) is a West Australian company specialising in the construction of utilities services. This division owns and operates specialist underground directional boring equipment for installing conduits and cable where th
- http://www.aceco.com.au/

R.H. White Construction Co., Inc.
- The company is a New England based (Massachusetts and New Hampshire) General Contractor specializing in full construction services for utilities and industry. Services include trenchless plowing.
- http://www.rhwhite.com/

Pacific Boring Home
- Pacific Boring, Inc. is a Caruthers, California based contractor specializing in Horizontal Boring & Pipe Jacking
- http://www.pacificboring.com/

Willco Far West
- Salt Lake City, Utah based contractor specializing in hprizontal boring, tunneling, pipe ramming, and pipe jacking.
- http://www.willcofarwest.com/

SA Directional Boring
- Australian (Payneham South, SA) Company that provides trenchless, underground boring services.
- http://www.sadirectional.com.au/

Midwest Mole
- Midwest Mole (Indianapolis, Indiana) is a leader in trenchless technology. We have the people, the equipment, the experience, the resources and the drive to respond quickly and effectively to your tunneling, jacking and boring needs.
- http://www.midwestmole.com/

Heider Construction Inc.
- Tewksbury, Massachusetts based construction firm. Services include Pipe Jacking, Pipe Bursting, Water Jetting, Air Compression, Pneumatic Moles and Directional Drilling.
- http://www.heiderconstruction.com/

Mears Group Inc.
- Mears provides engineering and construction services in the areas of pipeline engineering, corrosion engineering, pipeline rehabilitation, horizontal drilling, and fiber network construction.
- http://www.mears.net/

S. McNally & Sons
- Contracting firm based in Hamilton, Ontario, Canada offering large diameter tunneling, microtunneling, pipe jacking, and utility tunneling.
- http://www.mcnallycorp.com/

Lighting Maintenance Incorporated
- Specialize in complete outdoor lighting, sign service, and electrical service installations and repairs. Services include directional drilling. Serving the Washington DC area and the surrounding counties of Virginia and Maryland.
- http://www.lightingmaintenance.com/

Haynes Electric Utility Corporation
- Haynes Electric Utility constructs power lines, traffic controls, high voltage lighting, and provides storm damage support for power and gas. Services include directional boring.
- http://www.mbhaynes.com/mbcorp/heuc/heuc.html

Wiring Technologies, Inc.
- Wiring Technologies, Inc. is located in Altamonte Springs, Florida. We are committed to providing "Total Connectivity Solutions" through a complete line of Data, Voice, Video Cabling and Cable Assemblies. Our pathway development team installs bo
- http://www.wiringtech.com/

Obayashi
- Obatashi, a major general contractor in Japan, offers a full range of construction services on a global scale. Obayashi offers tunneling among other services.
- http://www.obayashi.co.jp/

Com-Net Services, Inc.
- Com-Net Services, Inc. is a full service communications installation company providing Data and Telecommunications services to a wide range of customers. From piece-work to total turn-key solutions, site specific or nationwide, we have the team you need.
- http://www.comnetserv.com/

Sunland Construction, Inc.
- Pipeline construction company serving the needs of major oil and gas companies throughout the Southeast, South Central, and Rocky Mountain regions of the United States. Incorporated in the State of Louisiana in 1974, we have since grown into one of the la
- http://www.sunlandconstruction.com/

Robinson Construction
- Robinson Construction is a leading innovator in Trenchless Technology. Our implementation of this cutting edge method of installation has received national and international attention. This attention has lead to reviews in major industry magazines, and
- http://www.robinsonconstruction.com/

Miller The Driller
- Full-service underground construction company located in Des Moines, Iowa. Services include directional drilling, horizontal earth boring, and RCP pipe jacking.
- http://www.millerthedriller.com/

Ozzie's Directional Drilling
- Directional drilling contractor based in Scottsdale, Arizona.
- http://www.ozzies.com/

Laney Directional Drilling Co.
- Humble, Texas based construction firm specializing in directional drilling.
- http://www.laneydrilling.com/

InterCon Construction, Inc.
- Utility contractors based out of Madison, Wisconsin specializing in directional drilling.
- http://www.intercon-const.com/

MasTec
- MasTec is one of the preeminent end-to-end telecommunications and energy infrastructure service providers in North America. We perform our services for some of the largest and most prominent companies in the telecommunications and energy industries, inclu
- http://www.mastec.com/

Engineers Construction, Inc.
- Offers general construction and contracting services. South Burlington, Vermont.
- http://www.engineersconstruction.com/

ARB, Inc.
- ARB, Inc. is based in California with offices in Texas and Central and South America. ARB, Inc. is ranked in the ENR Top 400 General Contractors, working with major corporations and institutions throughout the United States as well as in South America an
- http://www.arbinc.com/

Bradshaw Construction Corporation
- Contact information for Ellicott City, Maryland based construction firm.
- http://www.bradshawcorp.com/

BorTunCo
- Houston, Texas based construction firm specializing in boring and tunneling
- http://www.bortunco.com/

Atlas Dewatering
- Atlas Dewatering specializes in horizontal environmental wells.
- http://www.atlascorp.com/

Jacked Pipelines
- South African geotechnical contractors specializing in pipejacking, piling, auger boring, and directional drilling.
- http://www.jackpipe.co.za/

Tenbusch Contracting Inc.
- Install rigid pipe with the tenbusch insertion method (TIM)while eliminating excavation. Applications: sewer, water, industrial drain/supply.
- http://www.tenbusch.com/

Perco Engineering Services Limited
- Pipeline contractor, working predominantly in the water and sewerage sector. Uses hydraulic (non-percussive) and pneumatic pipe bursting techniques, as well as sliplining, pigging, and other no-dig methods. Based in the Midlands, UK.
- http://www.perco.co.uk/

Skanska
- Skanska is a contracting firm specializing in construction, real estate, and construction related services.
- http://www.skanska.se/

Sperry-Sun
- Sperry-Sun's commitment to innovation and excellence has made it a world leader in drilling technology and reservoir deliverability. Whatever your need--directional and horizontal drilling, MWD, multilateral wells and completion systems, or the latest rig
- http://www.sperry-sun.com/

BTB Australia
- Australian underground utility contractor specializing in directional drilling.
- http://www.btbaust.com.au/

UTILX
- UTILX Corporation is a Kent, Washington based service company specializing in underground utility renovation and installation. UTILX Corporation provides services, products and technology used to install, replace and renovate underground utilities and rel
- http://www.utilx.com/

Longbore, Inc.
- Longbore, Inc., headquartered in Houston, Texas, specializes in precision horizontal directional drilling services for installing environmental remediation wells, small diameter pipelines, power utilities, and fiber optic cables.
- http://www.longbore.com/

Directional Technologies, Inc.
- Provides horizontal directional drilling, horizontal well installations, and well installations related services such as well placement, design, and development. Services include, not limited to: Planning and Well Design: Proposed bore path; Recommended
- http://www.directionaltech.com/

ABC Liovin Drilling, Inc.
- Drilling in Southern California. Specializing in Hollow Stem Auger, Air Rotary, Mud Rotary, Casing Hammer, Bucket Auger, Limited Access, Direct Push Probing, Soil Sampling, Water Sampling, and Well Installations since 1982.
- http://www.abcdrilling.com

Michels Pipeline Construction Inc
- General contractor with Directional Drilling experience located in Wisconsin.
- http://www.michels-usa.com/

LMR Drilling UK Ltd
- Horizontal directional drilling firm operating in the UK with offices in Germany and the Netherlands as well.
- http://www.lmrdrilling.co.uk/

Infratech Corporation
- Utility contractor specializing in trenchless placement of electric, telephone, gas, catv, water, sewer, and wells for environmental remediation. Infratech offers directional drilling, environmental remediation, and underground construction services.
- http://www.infratechcorp.com/

Henkels & McCoy
- One of the largest privately held engineering and construction companies in the United States employing over 4,000 full-time personnel in more than 50 permanent offices located throughout the United States and abroad. Henkels & McCoy offer directional
- http://www.henkelsandmccoy.com/

Knight Enterprises
- provide construction and cabling services throughout the state of Florida. Specializing in directional boring.
- http://www.knight-enterprises.com/

General Excavating
- Lincoln, Nebraska based contracting firm which provides construction services for utility, environmental, communications and dredging projects.
- http://www.generalexcavating.com/

Frank Coluccio Construction Company
- Frank Colucio Construction Company is a Seattle, Washington based contractor with 40 years' experience in all aspects of the construction industry, including sewers, utilities, watermains, and tunnels. Among other services Colucio offers microtunneling.
- http://www.coluccio.com/

Connetics Ltd
- Christchurch, New Zealand based contracting firm servicing the Power industry which offers trenchless installations of underground cables and lines.
- http://www.connetics.co.nz/

CommLink Constructors
- CommLink is located in Concord, North Carolina just outside Charlotte, and has communications industry and CATV experience dating from the 1950's. CommLink has directional drilling services as well.
- http://www.comm-link.com/

Teknik Segala
- Teknik Segala is a control and automation solutions provider for all industries in Malaysia. Teknik Segala offers Horizontal Directional Drilling among their many services.
- http://www.teknik-segala.com/index.html

Bay State Piping Company, Inc.
- Massachusetts based contracting firm with experience in directional drilling, downhole rock drilling, pipe ramming, horizontal auger boring, steerable rod pushing, and percussion moling.
- http://www.baystatepiping.com/

Byzak Contractors Ltd
- Civil engineering contractor to the UK Water Industry. Areas of expertise include pipejacking and microtunnelling, as well as sewer renovation.
- http://www.byzak.co.uk

All-Bore, Inc.
- More than 30 years experience in the trenchless drilling industry, located in Indiana. Our company serves primarily Indiana, Kentucky, Illinois, and Ohio, but we have completed projects in the Northeast and Southeast as well.
- http://www.allbore.com/

Advance Boring Specialists
- Washington and California based contracting firm specializing in the trenchless installation of Phone, Fiber Optics, Gas, Electrical, and Water lines through horizintal directional boring. ABS also provides sewer rehabilitation services.
- http://www.advancedboring.com/

Accu-pipe Ramming Systems, Inc.
- Located in Edmonton, Alberta and Regina, Saskatchewan. Specializes in trenchless technologies such as directional earth boring, pipe ramming, pipe bursting, and soil remediation.
- http://www.accupipe.com/

A.van Egmond Construction Ltd.
- A. van Egmond Construction of Smithville and Orangeville, Ontario, Canada is an incorporated company which was established in 1963, which specializes in directional drilling.
- http://www.vanegmond.com/

A.E.Yates Microtunnelling Ltd
- A. E. Yates is a UK contracting firm which owns and operates a range of remote controlled closed face slurry microtunnelling equipment, available for Main Contract or Subcontract work.
- http://www.aeyates.co.uk/

AJECT
- Contractor operating in the Middle East; tunnelling as a specialist contractor.
- http://www.aject.com/

Arby-tech.com
- Arby Construction is a family owned and operated, financially sound, aggressive and diversified underground construction firm servicing gas, electric, water and telephone clients throughout the United States. Services include trenchless installation thro
- http://www.arby-tech.com/