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Summit was formed in 1977 as a third-party administrator for workers’ compensation self-insurance funds in Florida. After nearly 40 years of growth and evolution, Summit today provides workers’ compensation insurance programs to approximately 40,000 employers in Alabama, Arkansas, Florida, Georgia, Indiana, Kentucky, Louisiana, Mississippi, North Carolina, South Carolina, Tennessee and Texas. These clients represent more than $750 million in premium. Summit markets its products and services through independent insurance agents. View opportunities to join our team by pasting this URL in your browser: https://www.summitholdings.com/wc/PageReader/aboutsummit/careers.html Headquartered in the Central Florida city of Lakeland, Summit employs approximately 700 office and field associates at its main location and regional offices in Baton Rouge, Louisiana, and Gainesville, Georgia. Summit provides claims management, a proprietary medical provider network, loss prevention services, policy administration, underwriting, sales and marketing for the insurance carriers that underwrite its workers’ compensation programs. Some of these services are also available on a contractual basis for self-insured businesses and municipalities. Summit manages affiliates, Bridgefield Casualty Insurance Company and Bridgefield Employers Insurance Company, and non-affiliates, BusinessFirst Insurance Company, RetailFirst Insurance Company and Retailers Casualty Insurance Company. Summit is a member of Great American Insurance Group (GAIG). GAIG’s roots go back to 1872 with the founding of its flagship company, Great American Insurance Company. Based in Cincinnati, Ohio, the operations of Great American Insurance Group are engaged primarily in property and casualty insurance, focusing on specialty commercial products for businesses, and in the sale of traditional fixed and fixed-indexed annuities in the retail, financial institutions and education markets. The members of the Great American Insurance Group are subsidiaries of American Financial Group, Inc. (AFG), also based in Cincinnati, Ohio. AFG’s common stock is listed and traded on the New York Stock Exchange under the symbol AFG.

Summit Holdings Questions

The Summit Holdings annual revenue was $81.7 million in 2026.

Mariano Garrido-Lopez is the Founder and Managing Director of Summit Holdings.

465 people are employed at Summit Holdings.

The NAICS codes for Summit Holdings are [5242, 524, 5241, 52].

The SIC codes for Summit Holdings are [63, 635].

Top Summit Holdings Employees

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