iA American South Central

Contact Details


iA American South Central

PO Box 204329
Austin, Texas 78720


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 Contact Us

Welcome to iA American South Central! Although you may have known us in the past as Service Group, you can count on receiving the same world-class service from the same team you’ve known and trusted for years, backed by our renewed commitment to provide you with nothing less than the finest client experience in our industry. If you have any questions or need additional information beyond what you see here, just give us a call or send us an email. On behalf of everyone at iA American, thank you for your business! 

Our Team

Coby Duffer

National Director of Sales | South Central Region

A published author, public speaker, and coach, Coby has been with iA American for 10 years. He joined Service Group in 2011 as a Training and Development Specialist, transitioned to Manager/Academy Instructor for North Texas in 2012, and became Service Group’s North Regional Manager in 2013. He started his new role in December 2020. Coby studied English/Speech Communications at Texas A&M University, and is the author of The PAD Method, which teaches effective decision-making skills to companies, teams, families, and individuals.