| Business | Phone |
| Atlantic Gasket Corp 3908 Frankford Ave, Philadelphia 19124 | (215) 533-6400 |
| Fibreflex Packing & Manufacturer Co 5101 Umbria St, Philadelphia 19128 | (215) 482-1490 |
| Melgrath Gasket 2901 W Hunting Park Ave, Philadelphia 19129 | (215) 223-6204 |
| Melrath Gasket 2901 W Hunting Park Ave, Philadelphia 19129 | (215) 223-6000 |
| Stockwell Elastomerics, Inc. 4749 Tolbut St, Philadelphia 19136 | (215) 335-3005 |