Bob Sinclair
General Manager
Thank You for visiting our website. At STI, we pride ourselves in being your destination in Southeast Iowa for Computers, Napa Parts, Precision Farming and Agricultural Equipment. Please explore our website and learn what we can do for you.

Yield Force now in full swing at STI. 
Click here for more details.

Address

1407 200th Avenue

Sigourney, IA 52591

Phone: (641) 622-3838
Toll Free: (877) 833-4444
Fax: (641) 622-9997

Need directions? 

Store Hours

Monday-Friday
7:00 am - 5:00 pm
Saturday
7:00 am - 12:00 pm
Sunday
Closed

Parts Hours

Monday-Friday
7:00 am - 7:00 pm
Saturday
7:00 am - 3:00 pm
Sunday
Closed

Hours are extended during favorable Planting conditions. 

Aug. 7th

Closing at Noon for a system change.  We apologize for any inconvenience this may cause.

Aug. 12th - 21st

Iowa State Fair

Sept. 6th

Labor Day

See all the scheduled events