| Company | Telephone | City | State | Zip |
| Aliso Heating & Air, Inc. | 949-589-2021 | Rancho Santa Margarita | CA | 92688 |
| MJB Heating & Air Conditioning, Inc. | 858-278-9502 | San Marcos | CA | 92078 |
| Sears | 702-808-5127 | El Cajon | CA | 92120 |
| Walter Anderson Plumbing Heating & Air | 800-530-1102 | El Cajon | CA | 92020 |
| San Diego Community College | n/a | San Diego | CA | 92108 |
| City of San Diego | n/a | San Diego | CA | 92102 |
