| Business | Phone |
| Blackrock Builders Ltd 5 Station Ln, Berwyn 19312 | (610) 647-4330 |
| Building Specialties Co 34 Bridge Ave, Berwyn 19312 | (610) 688-8444 |
| S & S Development Co 1155 Lancaster Ave, Berwyn 19312 | (610) 407-4007 |
| Richelou Builders 1360 Sugartown Rd, Berwyn 19312 | (610) 647-5195 |