- AERZEN
- Aqua-Aerobic Systems, Inc.
- BDP Industries, Inc.
- Duperon Corporation
- Harmsco Filtration Products
- HUBER Technology, LLC
- INDURON Coatings, LLC
- J Mosher Enterprises - Industrial Sunscreens
- JDV Equipment Corporation
- Kuhn North America, Inc.
- Lakeside Equipment Corporation
- NOV Fiber Glass Systems
- Philadelphia Gear, Power Systems by Timken
- Pittsburg Tank & Tower Co.
- Plastatech
- Pleasant Mount Welding
- Pollardwater
- Smith & Loveless, Inc.
- Vaughan Company, Inc.
- Vogelsang
