| Business | Phone |
| Advanced Fiber Tech 8074 Tanager Woods Ct, West Chester 45069 | (513) 860-4446 |
| Blaine Smith Engineering Svc 7908 Cincinnati Dayton Rd, West Chester 45069 | (513) 777-7500 |
| Dann Engineering 7419 Kingsgate Way, West Chester 45069 | (513) 755-1079 |
| Diversified Design Dynamics 6039 Schumacher Park Dr, West Chester 45069 | (513) 942-1924 |
| Foresight Engineering & Srvyng 8152 Mill Creek Cir, West Chester 45069 | (513) 942-7590 |
| Nexus Engineering 8080 Beckett Center Dr, West Chester 45069 | (513) 860-9130 |
| Prestige Technical Svc 7908 Cincinnati Dayton Rd # T, West Chester 45069 | (513) 779-6800 |
| Ted F Billington Structural 7489 Keehner Ridge Ct, West Chester 45069 | (513) 313-0756 |
| Ultra Technic Svc Inc 6531 W Chester Rd, West Chester 45069 | (513) 755-7879 |