- 2R Drilling, Inc - Chino, CA
 - Hollow stem auger drilling and soil sampling in Southern California specialising in geotechnical borings. - ABC Liovin Drilling, Inc
- Offers sampling, well installations, hollow stem auger, rotary, limited access, probing services, and more.
- Actisystems
- Providing a drilling fluid product system and related services.
- Associated Environmental Industries, Corp.
- Environmental drilling services and tools manufacturing company.
- Athena Technologies, Inc.
- A geological sampling firm that provides vibracore capabilities for all aquatic and wetland environments, for geotechnical and environmental purposes.
- Beard Technologies
- Provides services relating to fine coal and slurry impoundments including slurry pond drilling, laboratory services, and pond recovery project design.
- Birmingham Engineering & Construction Consultants
- Specialises in geotechnical, environmental, and construction materials testing and inspection services.
- Cascade Drilling
- Providing geotechnical and environmental drilling services throughout the Northwest and California.
- Crux Subsurface, Inc.
- Difficult logistics geotechnical drilling company.
- D. L. Maher, Company
- Provides groundwater and environmental drilling services.
- Directional Drilling Contractors, LLC.
- Provides horizontal, short radius, oil well and directional drilling, and more.
 Dunelm Drilling Company
- Serving the U.K. and Ireland.- Environmental & Foundation Drilling, Inc.
- Serving the engineering community with environmental and geotechnical drilling services throughout North America.
- Foraco
- Offers water bore-hole, geological, and mining drilling at all latitudes and all altitudes.
- G. Stow plc
- Specialising in the construction of large diameter water supply boreholes, drilling rigs, equipment and pump suppliers.
- GlobalSantaFe
- International drilling contractor providing offshore and land drilling services to oil and gas companies.
- Jet-Grouting.com
- Offers articles, forums, and an industry directory to promote the application of jet grouting in improving the mechanical characteristics of soils.
- Lankelma Cone Penetration Testing Limited
- Offers soil and geotechnical investigation, including cone penetration testing, dynamic probing, bomb detection, and bomb testing.
- Mears Group, Inc.
- Services include horizontal directional drilling, pipeline integrity, cathodic protection, hydrostatic pressure testing, in-line inspection, and pigging.
- New Hampshire Boring, Inc.
- Providing environmental drilling, geotechnical drilling, and boring services ranging from confined inside work to large diameter deep hole hollow stem auger work.
- OMNI Energy Services
- Diversified support company that provides an integrated range of services to geophysical and exploration and production companies engaged in the acquisition of 3D on-shore seismic data.
- Precision Drilling Corporation
- Provides comprehensive services to the oil and gas exploration and production sector throughout Canada and internationally.
- R.Rindfuss Drilling, Inc.
- Offers geological and geotechnical well drilling, monitoring, coring, soil sampling, auger drilling, and water well drilling.
- Roberts Environmental Drilling, Inc.
- Performs soil borings, soil sampling, and rock drilling and coring in support of geotechnical and environmental projects.
- Salisbury & Assoc., Inc.
- Specialises in difficult access geotechnical and mineral exploration drilling throughout North America, using hand and light helicopter portable diamond core and auger rigs.
- Texas Drilling Associates
- Provide consulting engineering services to the oil industry, focusing on drilling technologies, technology transfer, and training.
- Union Drilling
- Contractor specialising in underbalanced drilling technology for use in hard rock formations.
|
