- AK Industries
- Composite Access Products (CAP)
- Duperon Corporation
- Environmental Coatings LLC
- Epoxytec
- Gorman-Rupp Pumps
- Halliday Products
- Liberty Pumps
- Linabond, Inc.
- NOV Fiber Glass Systems
- Orenco Systems, Inc.
- PRIMEX
- RELINER/Duran Inc.
- Sauereisen, Inc.
- Smith & Loveless, Inc.
- TITUS Wastewater Solutions Inc.
- TOPP Industries, Inc.
- VEGA Americas, Inc.
