| Business | Phone |
| Burke Engineering Co 4250 Pepsi Dr # D, San Diego 92111 | (858) 874-8499 |
| Energy Labs Inc 2365 Michael Faraday Dr # E, San Diego 92154 | (619) 671-0100 |
| Rsd/Total Control 1721 Logan Ave, San Diego 92113 | (619) 239-4127 |
| Rsd/Total Control 7332 Convoy Ct, San Diego 92111 | (858) 565-7191 |
| Heating & Cooling Supply Inc 3970 Home Ave, San Diego 92105 | (619) 262-7543 |
| Heating & Cooling Supply Inc 3980 Home Ave, San Diego 92105 | (619) 262-8885 |