| Business | Phone |
| American Consulting Engineers 525 W 5th St 320, Covington 41011 | (859) 291-3216 |
| H C Nutting Co 50 E Rivercenter Blvd, Covington 41011 | (859) 292-2575 |
| James W Berling Engineering Co 1671 Park Rd 1, Covington 41011 | (859) 331-9191 |
| Maxfield Schwartz Lonnemann 5 W 5th St, Covington 41011 | (859) 491-8511 |
| Phoenix Engineering 617 Pike St, Covington 41011 | (859) 431-1982 |
| Proudfoot Associates 1671 Park Rd, Covington 41011 | (859) 331-0440 |