| Business | Phone |
| Carrlu Co Inc 1233 Wrights Ln, West Chester 19380 | (610) 430-8615 |
| Pressure Relief Systems Inc 640 Snyder Ave, West Chester 19382 | (610) 692-6112 |
| Fastenal Co 429 S Bolmar St, West Chester 19382 | (610) 430-0605 |
| Fastener Systems Inc 640 Snyder Ave # I, West Chester 19382 | (610) 692-6658 |
| Kelly Industrial Supply 211 Carter Dr # B, West Chester 19382 | (610) 429-8266 |