| Business | Phone |
| Watermark Research Partners 1776 Mentor Ave # 320, Cincinnati 45212 | (513) 701-1818 |
| Community Research 619 Oak St # 2, Cincinnati 45206 | (513) 281-3868 |
| Community Research Management 4421 Eastgate Blvd, Cincinnati 45245 | (513) 753-4374 |
| Consultants-Clinical Research 2925 Vernon Pl # 200, Cincinnati 45219 | (513) 872-4549 |
| Consumer Advantage Research 7671 Colerain Ave, Cincinnati 45239 | (513) 728-2606 |
| Cooper Research 8150 Corporate Park Dr # 150, Cincinnati 45242 | (513) 489-8838 |
| Corporate Research 119 E Court St, Cincinnati 45202 | (513) 632-5303 |
| Criminal Info Network Inc 8508 Beechmont Ave, Cincinnati 45255 | (513) 474-8800 |
| Ouchouch Health Care Research 2446 Turnberry Dr, Cincinnati 45244 | (513) 232-5844 |
| Research Resources Inc 6740 Clough Pike, Cincinnati 45244 | (513) 233-2241 |
| Southwest Sciences Inc 6837 Main St, Cincinnati 45244 | (513) 272-1323 |
| Maestra Executive Research 5828 Forestway Ln, Cincinnati 45230 | (513) 624-6242 |
| Manifest Creative Research 2727 Woodburn Ave, Cincinnati 45206 | (513) 861-3638 |
| Mfo Research 600 Vine St, Cincinnati 45202 | (513) 621-7989 |
| Midwest Research 441 Vine St # 507, Cincinnati 45202 | (513) 381-0388 |
| Nielsen Research Media 330 Helen St, Cincinnati 45219 | (513) 621-3127 |
| Otx Research 10260 Alliance Rd # 350, Cincinnati 45242 | (513) 618-2620 |
| Phoenix Research 3181 Linwood Ave, Cincinnati 45208 | (513) 321-0555 |
| Polymer Research Assoc 10856 Bromwell Ln, Cincinnati 45249 | (513) 891-7030 |
| Protec Research Inc 431 Ohio Pike, Cincinnati 45255 | (513) 528-4400 |
| Reed Hartman Research Center 11325 Reed Hartman Hwy, Cincinnati 45241 | (513) 469-1551 |
| Retts Syndrome Research Fndtn 4600 Devitt Dr, Cincinnati 45246 | (513) 874-3020 |
| Sterling Research 360 Glensprings Dr, Cincinnati 45246 | (513) 671-8080 |
| Valuation Research Group 105 E 4th St # 105, Cincinnati 45202 | (513) 579-9100 |