Duncan Millar

Dirk and Campbell Rinker have provided exceptional marketing research services for ICC over the past three years. Their rapt attention to our needs and relentless pursuit of excellence work speaks volumes about the type of people they are and how carefully they view...

Clar Rosso

CalCPA has worked with Campbell Rinker on several projects over the past two years. We have found them very knowledgeable and they have taken the time to really understand our business and our needs. The information we have gained as a result of the research Campbell...

James Lee Witt

This customer satisfaction survey will be very important for how we focus the efforts of the ICC in the future. It is an important tool in our toolkit.

Cate Brennan-Lisak

Thank you for your excellent work and patience on this [project]. Your professionalism, timeliness, advice, guidance and commentary have all been valuable, and I am very pleased with the final report. I look forward to working with Campbell Rinker again.

Scott Preissler

Campbell Research is the only research company we trust. CSA partners with them, and I consider Dirk Rinker and Campbell Research to be the finest Christian research firm in America today.