| Business | Phone |
| Altair Engineering 3984 Northhampton Dr, Powell 43065 | (614) 336-3055 |
| Halliday Technologies Inc 80 Grace Dr # A, Powell 43065 | (614) 985-6585 |
| Pfeifer Engineering Consultant 370 Shelby Ave, Powell 43065 | (614) 799-0944 |
| Treehaven Technologies Inc 282 Tree Haven Ave, Powell 43065 | (614) 791-8843 |