Inspection - Mainline
- Allan J. Coleman Co.
- Aries Industries
- BODUS GmbH
- Central Oklahoma Winnelson
- CUES, Inc.
- Duracable Manufacturing Company
- EasyCAM
- Electric Eel Mfg.
- Envirosight LLC
- EPL Solutions Inc.
- Forbest Products Co.
- InfoSense, Inc.
- Insight Vision Cameras
- Jack Doheny Company
- KEG Technologies, Inc.
- MEDIT Inc.
- MyTana Manufacturing
- Patriot Sewer Equipment & Repair
- Pearpoint (USA)
- Perma-Liner Industries, LLC
- POSM Software
- Pow-R Mole Trenchless Solutions
- PrimeLine Products, Inc.
- RapidView IBAK North America
- Ratech Electronics, Ltd.
- Sewer Equipment Company of Nevada
- Source One Environmental (S1E)
- SubSurface Instruments, Inc.
- Superior Signal Company LLC
- Trio-Vision, LLC
- Trojan Worldwide, Inc.
- TruGrit Traction Inc.
- UEMSI/HTV
- Wohler USA Inc.