Alliant Insurance Services, the nation’s largest specialty insurance brokerage firm, has acquired aviation insurance pioneer John F. Throne & Co.

The Seattle-based company is one of the nation’s largest independently-owned aviation insurance agencies, with a rich history and multi-generational leadership.

"We are fortunate to have one of the most influential firms in the aviation industry join us in a lead role," said Tom Corbett, Chairman and CEO of Alliant. "In an ever-changing market climate, John F. Throne & Co. has continued to adapt and innovate, and its reputation for service and expertise echoes our company’s core values."

With roots dating back to the field of aviation’s infancy, John F. Throne & Co. provides a broad range of insurance and risk management solutions to commercial aviation companies throughout the United States. Over 65 years in the business, the agency has built an unrivaled reputation for delivering meticulously crafted insurance programs from the soundest of markets.

"Alliant has a proven history of performance in insurance brokerage," said Michael Throne, President and CEO of John F. Throne & Co. "This partnership will solidify our legacy of service to the aviation industry, adding valuable tools and resources to our arsenal."

The agency was founded by John F. Throne, a pioneer in aviation insurance. After establishing the region’s first aviation insurance underwriting operation in the 1940s, Throne would found the company bearing his name in 1951. Under his son Michael’s leadership since 1984, John F. Throne & Co. remains one of the aviation industry’s most disciplined and service-oriented insurance partners.

John F. Throne & Co.’s leadership, client services, and business development teams will remain in place. Terms of the acquisition were not disclosed.

Headquartered in Newport Beach, CA, Alliant Insurance Services, Inc. is one of the largest insurance brokerage firms in the United States and has a history dating back to 1925.

Alliant provides property and casualty, workers’ compensation, employee benefits, surety, and financial products and services to more than 26,000 clients nationwide, including public entities, tribal nations, healthcare, energy, law firms, real estate, construction, and other industry groups.