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.

1407 200th Avenue

Sigourney, IA 52591

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

Need directions?

Bob Sinclair - General Manager

Email: bobsinclair@sigourneytractor.com

Office: 641-622-3838

Brian Greiner - Store Manager
Email: briang@sigourneytractor.com
Office: 641-622-3838
Cell:  319-430-6075 

Jeff Graff - Technology Manager
Email: graff@sigourneytractor.com
Cell: 641-660-3988

Corey Ward - Sales Manager

Email:  corey@sigourneytractor.com

Office:  641-622-3838

Cell:  309-236-3974

Adam Bouslog - Lawn & Garden Sales Manager

Email:  adam@sigourneytractor.com

Office:  641-622-3838

Dave Brewer – Parts Manager
Email: dave@sigourneytractor.com
Office: 641-622-3838

Todd Crowley - Service Manager

Email:  todd@sigourneytractor.com

Office:  641-622-3838

Cell:  641-660-6872

Cathy Masterson - Office Manager

Email: cathy@sigourneytractor.com

Office:  641-622-3838 

Jeff Albert - Sales
Email: jeff@sigourneytractor.com
Office: 641-622-3838
Cell:  641-660-5551

Matt Dillon - Sales
Email: matt@sigourneytractor.com

Office:  641-622-3838
Cell: 641-660-0238

Doug Doehrmann - Sales

Email:  doug@sigourneytractor.com

Office:  641-622-3838