| Business | Phone |
| King Little Structural Engrng 1301 N 33rd St, Lincoln 68503 | (402) 466-3088 |
| Porter-Ripa Engineering 3414 Old Dominion Rd, Lincoln 68516 | (402) 328-0080 |
| R O Youker Inc 1201 O St 310, Lincoln 68508 | (402) 477-7640 |
| Structural Design Group Inc 105 N 8th St 100a, Lincoln 68508 | (402) 438-7788 |
| Voss & Assoc Inc 201 N 7th St 200, Lincoln 68508 | (402) 476-6365 |