| Business | Phone |
| California Energy Design Placerville 95667 | (530) 626-1386 |
| Lois Coalwell & Assoc 1560 Highway 49, Placerville 95667 | (530) 622-8467 |
| Summa Investment Partners Inc Placerville 95667 | (530) 295-8077 |
| Warren H Parker Consulting Cvl 3340 Cedar Ravine Rd, Placerville 95667 | (530) 626-1519 |