About Us

Puthoff Insurance Agency was started in 1995. Long time employees, Jim Knudson and Dave Puthoff formed Ag Underwriters LLC and purchased the agency January 1st, 2019. We will continue to provide Puthoff Insurance Agency’s excellent customer service.   


Our agents and staff have many years of experience and education in insurance. We pride ourselves on having our agents, trained to handle your personal or commercial insurance or both, no need to deal with multiple agents. The agency is a member of Independent Insurance Agencies of South Dakota and is a Trusted Choice Agency. 


We have the motto of not being the biggest just the best! We are members of the communities we serve.


Call us to learn more about the Puthoff Insurance Agency or to get started on an affordable protection policy today!

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Watertown Branch

1608 9th Ave SW

Watertown, SD 57201

Phone: (605) 886-9319 

Fax: (605) 886-9356

Hartford Branch

101 E 2nd St.

Hartford, SD 57033

Phone: (605) 528-6816

Fax: (605) 528-3323

DBA Insurance Store

211 South Main

Howard, SD 57349

Phone: (605) 772-4448

Fax: (605) 772-5785



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