| Business | Phone |
| Fairfield Research Inc 6030 S 57th St B, Lincoln 68516 | (402) 441-3370 |
| Gallup Organization Inc 301 S 68th Street Pl, Lincoln 68510 | (402) 489-9000 |
| National Research Corp 1245 Q St, Lincoln 68508 | (402) 475-2525 |
| Research Associates 830 Lyncrest Dr, Lincoln 68510 | (402) 435-4048 |
| Service Research Corp 5539 S 27th St, Lincoln 68512 | (402) 434-5000 |
| Sigma Group 5960 Vandervoort Dr 110, Lincoln 68516 | (402) 420-7979 |
| Wiese Research Assoc Inc 1630 S 70th St 100, Lincoln 68506 | (402) 483-5054 |