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Alliant Insurance Services is among the top 5 largest and fastest-growing insurance brokerage and consulting firms in the United States. Fueled by entrepreneurialism and driven by results, Alliant operates on the belief that more is possible and expectations are meant to be exceeded. Our clients and partners have profound confidence in us to deliver in all market climates through the design and delivery of innovative solutions and services across a broad range of industry verticals. Our people stand as the backbone of our organization. We proudly employ a team of diverse, driven, and exceptional people and invest heavily in their success, giving our brokerage and consulting teams the freedom and resources they need to help their clients grow their businesses to remarkable heights. The result is a dynamic team of professionals who consistently perform at the highest level, while caring and giving back to causes that impact their communities and the world at large. Alliant is built on teamwork and collaboration, a philosophy that has guided our growth and evolution for 100 years. We rise together to meet challenges, think together to drive innovation, and thrive together in our business and in the diverse communities where we operate.

Website http://www.alliant.com
Revenue $4.2 billion
Funding $1.6 billion
Employees 6,357 (5,471 on RocketReach)
Founded 1925
Address 18100 Von Karman Avenue 10th Floor, Irvine, California 92612, US
Phone (619) 238-1828
Fax (509) 325-1803
Technologies
Industry Insurance Agencies and Brokerages, Insurance, Agribusiness, Automotive Specialty, Construction, Energy/Marine, Healthcare, Law Firms, Life Sciences/Medical Products, Nonprofits/Land Trusts, Parking/Valet, Public Entity, Real Estate, Restaurants/Lodging, Technology/Biotech, Tribal Nations, Waste Haulers/Recycling
Keywords Insurance Products, Insurance Brokerage, Insurance Consulting, Risk Management, Insurance Solutions, Commercial Insurance, Employee Benefits, Financial Services, Brokerage Services, Risk Mitigation, Insurance Advisory, Property Insurance, Casualty Insurance, Business Insurance, Reinsurance, Claims Management, Investment Management, Retirement Planning, Wealth Management, Financial Planning
Competitors Gallagher Insurance, Truist, Lockton, CNA Insurance, HUB International, Brown & Brown Insurance, Jardine Lloyd Thompson India (JLT India), WTW, Aon +46 more (view full list)
SIC SIC Code 641 Companies, SIC Code 64 Companies
NAICS NAICS Code 52 Companies, NAICS Code 52421 Companies, NAICS Code 524210 Companies, NAICS Code 524 Companies, NAICS Code 5242 Companies

Alliant Insurance Services Questions

The Alliant Insurance Services annual revenue was $4.2 billion in 2026.

Tom Corbett is the Chairman and CEO of Alliant Insurance Services.

5,471 people are employed at Alliant Insurance Services.

Alliant Insurance Services is based in Irvine, California.

The NAICS codes for Alliant Insurance Services are [52, 52421, 524210, 524, 5242].

The SIC codes for Alliant Insurance Services are [641, 64].

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