Why Choose GAT, Inc.

  • -Bigger is not necessarily better!
  • -Connected and Current within our Industry
  • -Connected to our Community

    • Bigger is not necessarily better!

      As a local independent insurance broker, we represent and have access to many insurance companies which allows us to offer our clients a wider choice of auto, home, and business insurance products.

      Our insurance solutions offer flexibility. We can customize an insurance portfolio that is tailored to your specific needs. Through our alliance with some of the largest insurance providers in the country , we can provide our clients with a variety of insurance options giving you the specialized coverage and attentive service you need for your personal or business insurance needs. We help our clients protect what they have and plan for the future with customized insurance products.

      As an independent broker we help you choose a plan that's right for you, evaluate all your options and assist when you have a claim. When you call, we pick up the phone. We are here to meet all of your insurance needs. Click on the insurance products below to learn about what we can offer.

      Select Below

      Auto Insurance

      We offer competitive premiums and complete coverage for all your vehicles.

      • Preferred and standard auto insurance
      • High risk auto insurance
      For additional information about the Auto coverage we provide, please contact us.

      Home Insurance

      We offer different types of home insurance to satisfy your specific insurance needs:

      • Homeowner Insurance
      • Condominium and Co-op unit-owner's insurance
      • Renters insurance
      • Personal liability umbrella insurance
      For additional information about the Homeowner's coverage we provide, please contact us.

      Personal Liability Umbrella Insurance

      We can provide you with protection against unforeseen circumstances that usual liability policies do not cover.

      • An umbrella policy acts as additional liability coverage once the limits on your primary home and/or auto insurance are exhausted.
      For additional information about the Personal Liability Umbrella coverage, please contact us.


      We can insure your motorcycle and provide the coverage you need with competitive premiums.

      For additional information about Motorcycle insurance, please contact us.


      We offer a broad line of products to meet your business insurance needs. Products and services include:

      • Property Insurance
      • Casualty Insurance
      • General Liability Insurance
      • Commercial Auto Insurance
      • Short-term Disability Insurance
      For additional information about Worker's Compensation, give us a call.

      Workers Compensation

      You will need to insure your employees against on-the-job injuries. Most states have put into place some form of workers' compensation system and many options are available. Let us help you determine which coverage is best for your business.

      For additional information about the coverage we provide, give us a call.

      Connected and Current with the Industry

      Staying connected and current with the events, policies, procedures through trade organizations within our industry empowers us with the ability stay informed and exercise sound judgment when developing and recommending an insurance policy and/or portfolio that's right for our customers.

      Glen A. Tompkins, Inc. is proudly associated with the following industry programs, certifications, and organizations:

      We are a Member of The Independent Insurance Agents & Brokers of New York - a Trusted Choice Agency Independent Insurance Agent

      The Independent Insurance Agents & Brokers of America (IIABA) is a national alliance of 300,000 business owners and their employees who offer all types of insurance and financial services products.

      Unlike the larger company-employed agents, IIABA independent insurance agents and insurance brokers represent more than one insurance company, so they can offer clients a wide range of auto, home, and business insurance products, and they can customize a plan that's right for you.

      If a loss occurs, the independent insurance agent or broker stands with the client until the claim is settled.

      Trusted Choice insurance agencies. These independent offices are typically smaller, local offices. They are committed to providing comprehensive customer service designed to provide customization of coverages and advocacy support. They benefit from access to many leading insurance companies.

      We are an active member of the PIANY - Professional Insurance Agents of New York

      Professional Insurance Agents is a voluntary, membership-based trade association representing professional, independent property/casualty insurance agents.

      Connected to the Community

      We have been based in Ossining for over 60 years. It's home to us and the members of the community have been our loyal customers and friends. As a result, we feel it's important and have a great desire to give back.

      Sponsorships, Memberships and Contributions include:
      Collyer Scholarship Fund
      Baker-Collyer Christmas Cheer Fund
      Ossining Volunteer Ambulance Corp.
      Ossining Fire Department
      Ossining PBI
      Ossining PA
      St. Theresa School
      St. Ann's School
      Briarcliff Manor Rotary Club
      Briarcliff Manor Historical Society
      Rett Syndrome Research Foundation

      Chamber of Commerce

      Our ongoing membership with the Ossining Chamber of Commerce provides us with the opportunity to get involved with community events that bring us in close contact with the people and fellow business owners of Ossining.

Our Companies

We write directly with the following leading insurance companies. We take care to help you and your family or business design a complete insurance portfolio. This gives you the flexibility you desire and total coverage designed for your unique insurance needs.

Travelers Insurance, General Casualty, GMAC, New York Central Mutual Insurance, The Hartford, National Grange Insurance