| Business | Phone |
| D C Construction 3190 County Rd 88 B, Dunnigan 95937 | (530) 724-3096 |
| Interior Performance Dunnigan 95937 | (530) 756-5577 |
| Knepp Construction Dunnigan 95937 | (530) 758-9783 |
| Darrel Paul Makela Dunnigan 95937 | (530) 758-2566 |
| Nelms Construction Dunnigan 95937 | (530) 758-6400 |
| Styc Construction Dunnigan 95937 | (530) 756-0506 |