- Diversified Contractors
- Fiske Construction
- George E Haggart Inc
- Great North Construction Co
- John T Jones Construction Co
- Kay Construction
- KBW Assoc
- Mary Shaw Inc
- Master Construction Co Inc
- Meinecke-Johnson Co
- Nelson Construction Inc
- Northern Improvement Co
- Olaf Anderson & Son Constr Co
- RDA Inc
- Richard Inc
- Rising Sun Construction Inc
- Rogne Construction
- S & S Custom Contracting
- Schipper Construction Inc
- Schmit Brothers Construction
- Shaw Construction
- T F Powers Construction Co
- Thorsteinson & Sons Constr Co
