| Business | Phone |
| Center Line Building Design Pioneer 95666 | (209) 295-5342 |
| Daniel J Gray Construction Pioneer 95666 | (209) 295-3388 |
| M D Flynn Drafting 16685 Delores Ct, Pioneer 95666 | (530) 743-0685 |
| Pacific Sierra Design & Dev 27210 Woodland Rd, Pioneer 95666 | (209) 295-5471 |