| Business | Phone |
| C S Guenzel Co 701 J St, Lincoln 68508 | (402) 476-7673 |
| Firestone Sheet Metal Co 7045 Francis St, Lincoln 68505 | (402) 466-1023 |
| K-Mar Building Products 5440 N 57th St, Lincoln 68507 | (402) 464-0833 |
| Prawl Engineering Corp 5328 Center St, Lincoln 68506 | (402) 488-6603 |
| R L Bonebright Heating & Air 4701 Pierce Dr 5, Lincoln 68504 | (402) 466-2306 |