- Aggregate Industries
- Aggregate Industries
- Aggregate Industries
- Bob Fenstermacker Sand-Gravel
- Cactus Concrete Products
- Concrete Inc
- Concrete Pre-Mix Inc
- Dakota Ready Mix
- Harvey Ready-Mix
- Linton Concrete
- Schirado's Excavating Inc
- Stippich Inc
- Strand Ready Mix Inc
- Strata Block & Masonry
- Strata Concrete
- Strata Corp-Ready-Mixed
- Watford City Ready Mix
