- Yarrington Road Materials
- Yarrington Road Materials
- Yellow Creek Gravel Svc Inc
- Yellow River Supply
- Yellow Springs Aggregates
- Yellow Springs Aggregates LLC
- York Building Products Inc
- Yorktown Garden Supplies Inc
- Young Contractors Inc
- Young Country Sand & Gravel
- Young Materials
- Young's Sand & Gravel Co
- YOY Trucking Inc
- Yzarc Inc
- Yzarc Inc Gravel
- Z-Rock
- Zahringer Trucking & Excvtng
- Zambino Rocco & Sons Inc
- Zanetti Bros
- Zbranek Brothers Gravel
- Zell-KOTA Trucking Inc
- Zell-KOTA Trucking Inc
- Zemik Enterprises
- Zimmerman-Newcomer Gravel
- Zollinger Sand & Gravel
- Zorock International
- Zupke Sand & Gravel