| Business | Phone |
| Apex Protection Systems Inc Rocklin 95677 | (916) 624-4910 |
| Emergency Response Systems Rocklin 95677 | (916) 624-2222 |
| First Alert Professional Scrty 233 Technology Way # A8, Rocklin 95765 | (916) 786-7117 |
| Protection Service Industries Rocklin 95677 | (916) 632-0679 |
| Security Protection Systems Po Box 1592, Rocklin 95677 | (916) 624-1245 |
| Emergency Response Systems Rocklin 95677 | (530) 823-2323 |