| Business | Phone |
| Gem Refrigeration Co 650 E Erie Ave, Philadelphia 19134 | (215) 426-8700 |
| Howard-Mc Cray Refrigerator Co 2501 Grant Ave, Philadelphia 19114 | (215) 464-6800 |
| Philadelphia Gas and Electric Heating and Air Conditioning 4512 Paul Street, Philadelphia, PA, Philadelphia 19124 | (215) 743-0500 |