| Business | Phone |
| K4-Stine Architects & Engineer 109 S Main St, Bethel 45106 | (513) 734-4333 |
| Maverick Engineering & Consult 1109 State Route 133, Bethel 45106 | (513) 876-4332 |
| Miller Designs 200 W Plane St, Bethel 45106 | (513) 734-7000 |
| Pid Engineering 2176 Donald Rd, Bethel 45106 | (513) 734-3532 |