- Apple Enterprises
- Art's Construction
- Bates Construction
- Berg Brothers Contracting
- Berg Construction & Landscpg
- Bill Eich Construction Co
- Bob Cornell Construction
- Boji Builders
- Building Industries Inc
- Davis Construction
- G & J Petersen Construction
- Gene Krueger Construction
- Hawn Brothers Inc
- Homestead Development Corp-Ia
- Huse Construction
- JVL Corp
- Mike Hoien Construction
- Moritz Construction
- Pioneer Construction
- Scheppmann Co Inc
- Wayne Schuette Construction
