| A&L Underground, Inc. Horizontal directional drilling (HDD), environmental remediation and installation and service of gas, electric and fiber optic distribution lines. http://www.alunderground.com/ |
| Directional Drilling Contractors, LLC. Offers directional drilling, measurement while drilling, gamma and gyro survey services, and down hole motor repair. http://www.ddcon.com/ |
| DirectionalBore Builds underground plants using directional boring (hdd), trenching, and plowing methods. Provides services in Ohio, West Virginia, and throughout the Midwest. http://www.directionalboreinc.com/ |
| France Specializes in horizontal directional drilling for pipelines and cables crossings under all obstacles. http://www.hdi.fr/ |
| International Directional Services Supplier and manufacturer of services, rentals, and sales of tools for directional drilling services. http://www.accu-dril.com/ |
| LMR Drilling UK Ltd Horizontal directional drilling company that offers turnkey solutions to pipelines, pipeline crossings, outfalls, and landfalls. http://www.lmrdrilling.co.uk/ |
| Longbore Provides horizontal drilling and power engineering applied to remediation wells and underground utilities installation. http://www.longbore.com/ |
| Pacific Boring, Inc. Providing horizontal drilling and pipe jacking services to the Western states. http://www.pacificboring.com/ |
| Suffolk Water Connections, Inc. Underground utility construction company specializing in directional drilling and installing underground utilities, including water lines, conduit, and telecommunication lines. http://www.swc-inc.com/ |