| Business | Phone |
| Matrix Research Ltd 55 Doncaster Ave #280, Thornhill L3T 1L7 | (905) 707-1300 |
| Mrp Market Research Pros Inc 82 Normark Dr, Thornhill L3T 3R1 | (905) 764-1155 |
| Synergy Research Solutions Inc 52 Waltham Cres, Thornhill | (905) 881-1363 |
| Thistle Research Consulting 307 Worth Blvd, Thornhill L4J 7V9 | (905) 709-1176 |