| Business | Phone |
| Ads Advertising Data Scan 9127 Philips Hwy, Jacksonville 32256 | (904) 363-0016 |
| American Public Dialogue 1046 Riverside Ave, Jacksonville 32204 | (904) 724-1955 |
| Barcelo & Co 1815 Olevia St, Jacksonville 32207 | (904) 398-7227 |
| Classified Intelligence 12265 Saint Augustine Rd, Jacksonville 32258 | (904) 880-3133 |
| Quick Test/Heakin 10300 Southside Blvd # 168, Jacksonville 32256 | (904) 363-1480 |
| Real Estate Strategy Center 550 Water St # 1311, Jacksonville 32202 | (904) 301-1131 |
| Magnus Research Consultants Jacksonville 32211 | (904) 745-1556 |
| Irwin Research 9250 Baymeadows Rd # 350, Jacksonville 32256 | (904) 731-1811 |
| Kirk Research Svc 3829 Atlantic Blvd, Jacksonville 32207 | (904) 858-3200 |