| Business | Phone |
| M E Co 801 Madison Ave 201, Huntington 25704 | (304) 697-8900 |
| Lilly Electrical Sales & Engr 1101 8th Ave, Huntington 25701 | (304) 523-3441 |
| Chester Engineers 401 11th St 701, Huntington 25701 | (304) 525-0120 |
| Chemplex Associates 412 6th Ave, Huntington 25701 | (304) 529-2491 |
| Lakeshore Engineering Svc Inc 3982 Waverly Rd, Huntington 25704 | (304) 375-2416 |