There is More For You at Theisen’s Home-Farm-Auto! Hours: Mon – Sat 8 a.m. to 8 p.m. & Sunday 9 a.m. to 6 p.m. Theisen’s was founded in 1927 by Leo & Kathryn Theisen. Jim Theisen, President, joined the company in 1956 and his sons, Chris & Tony joined the company in 1987. Theisen’s headquarters are in Dubuque where the buying staff, advertising, accounting, human resources, MIS and distribution center are located. Theisen’s employs over 900 associates. The philosophy at Theisen’s is people buy from people, not companies and the company stresses that our associates work with us, not for us.