| Business | Phone |
| Alloy-Met 1012 Millcreek Dr, Langhorne 19053 | (215) 355-1110 |
| Wendig Associates Inc 71 Bustleton Pike, Langhorne 19053 | (215) 357-4252 |
| Eagle Electronics Sales Co 326 Deer Dr, Langhorne 19047 | (215) 702-7474 |
| Key Sales Ltd 140 E Richardson Ave, Langhorne 19047 | (215) 750-7610 |
| Naidoff Associates 753 Woodlyn Dr, Langhorne 19053 | (215) 953-1366 |