
| 4p research mix | Web Site | add | |||
| ALMARES | Web Site | add | |||
| AtramWebResearch | Web Site | MrWeb free entry | edit | ||
| BCMM | Web Site | add | |||
| GfK Polonia | Web Site | add | |||
| Grupa IQS | Web Site | add | |||
| IMAS International | Web Site | add | |||
| Inquiry Market Research | Web Site | MrWeb free entry | edit | ||
| Ipsos Poland | Web Site | add | |||
| Nielsen Poland | Web Site | add | |||
| PBS | Web Site | add | |||
| PMR Research | Web Site | MrWeb free entry | edit | ||
| Stratega Poland | Web Site | MrWeb free entry | edit | ||
| TNS Poland | Web Site | add |