| Business | Phone |
| Border Ware Shingle Springs 95682 | (530) 672-7426 |
| Executive Information Systems Shingle Springs 95682 | (530) 677-1900 |
| Sun Ridge Systems Inc Shingle Springs 95682 | (530) 676-7128 |
| Synergetic Data Systems Inc 2195 Talon Dr, Shingle Springs 95682 | (530) 672-9970 |