Serving Montanans since 1919 - Find Us

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The solutions you need, with the service you expect.

First Security Insurance offers our customers access to a full range of insurance products.

Personal Insurance

  • Home Owners
  • Auto
  • Life
  • Health
  • Dental
  • Umbrella
  • Flood
  • Mobile Home
  • Rental Property
  • Motor Home
  • Recreational Vehicle
  • Watercraft

Business Insurance

  • Business Auto
  • Commercial Property
  • Commercial General Liability
  • Commercial Umbrella
  • Garage, Auto, & Truck
  • Group Health, Life & Disability
  • Group Dental
  • Bonds
  • Professional Liability
  • Farms/Ranches
  • Equipment Floater
  • Crop Hail Insurance
  • Multi Peril Crop Insurance


Consider the benefits of working with First Security Insurance

  • Quality insurance products with personal attention to you.
  • Located in the bank you’ve trusted for years.
  • Convenience, simplicity and security.

Two Locations to Serve You:

Three Forks Branch

Gywnn Purdon

Fort Benton Branch

Dave Spencer

John Lindeman