| Business | Phone |
| Combined Sales Industries Allentown 18102 | (610) 776-1070 |
| Epichem Inc 4905 W Tilghman St # 240, Allentown 18104 | (610) 706-0606 |
| Lehigh Chemical Group Llc 1405 N Cedar Crest Blvd, Allentown 18104 | (610) 262-2600 |
| Quick Chemical Specialties 2809 Kingsbridge Ln, Allentown 18103 | (610) 432-8227 |