- Allan J. Coleman Co.
- American Pipelining Solutions
- Blackhawk Tech
- Central Oklahoma Winnelson
- Duracable Manufacturing Co.
- EPL Solutions, Inc.
- General Pipe Cleaners, div. of General Wire Spring
- Gorlitz Sewer & Drain, Inc.
- Ken-Way Corporation
- Milwaukee Tool
- MyTana LLC
- Spartan Tool LLC
- The Cable Center
- Winchester Interconnect (Formerly Falmat Cable)
