- Engineering America, Inc.
- Water & Wastewater Tanks & Process Equipment, Oil & Gas
- Water
- Represented Lines
- Trojan Technologies, Inc.
Trojan Technologies, Inc.
- Packaged Wastewater Systems
- Open-Channel Wastewater UV Systems
- Closed-Vessel Wastewater UV Systems
- UV-Peroxide Systems for Reuse
- Drinking Water UV Systems