Locators - Electronic
- Allan J. Coleman Co.
- Central Oklahoma Winnelson
- EasyCAM
- EPL Solutions, Inc.
- General Pipe Cleaners, div. of General Wire Spring
- Hermann Sewerin GmbH
- Insight Vision Cameras
- Instrument Technology Corporation
- J.M. McKinney Co.
- Pow-r Mole Trenchless Solutions
- Ratech Electronics, Ltd.
- Spartan Tool LLC
- SubSurface Locators, Inc.
- Trojan Worldwide, Inc.
- Underground Magnetics Inc.
- Vivax-Metrotech Corp.