| Business | Phone |
| Percy & Co Market Research 7384 Highland Rd, Baton Rouge 70808 | (225) 761-4340 |
| Southern Media & Opinion Rsrch 727 Spain St, Baton Rouge 70802 | (225) 383-4509 |
| Jkb & Assoc 2223 Quail Run 2, Baton Rouge 70808 | (225) 766-4065 |
| Juvenile Diabetes Research 9457 Brookline Ave, Baton Rouge 70809 | (225) 932-9511 |
| Dolby Research Llc 10689 Perkins Rd, Baton Rouge 70810 | (225) 922-7044 |