Autotech Systems

(314) 900-0124  Facebook
Monday–Friday, 8 a.m.–5 p.m.

About Us/Contact

Jim Denneny, Owner

Jim Denneny is the owner of Autotech, which he founded in 1991. He is an ASE certified master technician and has decades of experience. He is the former owner of an auto repair business and previously worked as an automotive diagnostics instructor. Jim has been involved in the automotive repair industry since 1978.

Sandi Denneny, Office Manager/Accounting

Sandi Denneny is the office manager and accountant at Autotech. She is a retired federal government auditor and offers personalized service to customers.

Jim and Sandi Denneny

Mike Holloway, Product Consultant

Mike Holloway is the product consultant at Autotech. He has been involved in the automotive repair industry since 1984. As the product consultant, he assists customers in determining the best product fit for their business. He assists with the implementation of the products and formulates effective marketing ideas. Mike deals with all new equipment in the "old school way."

Additional Staff

Kris Brussman, Installation Lead

Shane Cain, Installations/Service Calls


Thank you for your interest. We look forward to hearing from you soon.

(314) 900-0124

Hours of Operation
Monday–Friday, 8 a.m.–5 p.m.
Saturday by Appointment Only

115 Amber Way
Catawissa, MO 63015

Service Area
MO and IL

Directions from I-44 Westbound

  • Exit at Six Flags, turn left under highway to T (US Route 66)
  • Turn right onto Route 66 and go 1.5 miles to Highway F/O
  • Turn left, go over Meramec River, then stay on Highway O for 4.5 miles to Amber Way Drive on left just past Highway HH
  • Across from BP Station

Directions from I-44 Eastbound

  • Take the Highway O/US Highway 50 exit
  • Turn right at the bottom of the ramp
  • Go 5.5 miles to Amber Way Drive on right
  • Across from BP Station