| A And P Historical Rescources | 319-358-6566 | 806 5th St | Coralville | IA | 52241 |
| Epley Marketing Services Inc | 319-626-2567 | 1 Quail Creek Cir | North Liberty | IA | 52317 |
| Equifax Inc | 319-359-3468 | 2102 E 38th St | Davenport | IA | 52807 |
| Gazette The Market Research | 319-398-5870 | 500 3rd Ave SE | Cedar Rapids | IA | 52401 |
| Information Resources | 319-363-7456 | 819 5th St SE | Cedar Rapids | IA | 52401 |
| Jefferson Davis Assoc Mkt Anlsis | 319-364-4460 | 425 2nd St SE | Cedar Rapids | IA | 52401 |
| Magid Frank N Associates In | 319-377-7345 | 1 Research Ctr | Marion | IA | 52302 |
| Magid Frank N Associates Inc | 319-886-2702 | 109 Cedar St | Tipton | IA | 52772 |
| Magid Frank N Associates Inc | 319-465-3043 | 107 W 1st St | Monticello | IA | 52310 |
| Marketing Development Consultants | 319-326-0477 | 111 E 3rd St | Davenport | IA | 52801 |
| Millward Brown Inc | 319-388-2920 | 100 E Kimberly Rd | Davenport | IA | 52806 |
| Oneill & Associates | 319-351-4251 | 242 Cayman St | Iowa City | IA | 52245 |
| Personal Marketing Research Inc | 319-322-1960 | 322 Brady St | Davenport | IA | 52801 |
| Qed Systems | 319-364-0212 | 3963 Highlands Ln SE | Cedar Rapids | IA | 52403 |
| Shoppers Hotline | 319-363-6070 | 819 5th St SE | Cedar Rapids | IA | 52401 |
| Vernon Marketing Services | 319-364-7278 | 101 2nd St SE | Cedar Rapids | IA | 52401 |
| Wiese Dan Market & Research Direction | 319-364-2866 | 2108 Greenwood Dr SE | Cedar Rapids | IA | 52403 |
