Northern Industrial Sands (New Auburn, WI)
Highway 10 Sand Plant (Plum City, WI)
Hi-Crush Four Press Structure (Whitehall, WI)
Capital West Texas (Monahans, TX)
Beloit Corp. (Beloit, WI)
Dresser Trap Rock (Dresser, WI)
Al Frei & Sons (Idaho Springs, CO)