| Business | Phone |
| Access Hardware 14359 Catalina St, San Leandro 94577 | (510) 483-5000 |
| Adesta 10990 Bigge St, San Leandro 94577 | (510) 633-1300 |
| Plexicor 14210 Doolittle Dr, San Leandro 94577 | (510) 347-1500 |
| Mythos Security Inc 1933 Davis St, San Leandro 94577 | (510) 569-8500 |
| Sonitrol 3090 Teagarden St, San Leandro 94577 | (510) 537-1122 |
| Tri-Ed Inc 2410 Merced St, San Leandro 94577 | (510) 297-5500 |