- Upstone Materials (Cheyenne, WY)
- SIMON | Plant Mechanic Subsidiary: Simon Simon is a subsidiary of Colas USA with operations throughout Colorado, Nebraska, South Dakota, and Wyoming. ... the pioneers alive and well. To learn more about Simon visit www.simonteam.com/ . Throughout Colas USA, we provide...general direction, sets up, maintains, and repairs Asphalt production plant equipment; assists with plant operations as… more