Alliant Insurance Services is a commercial insurance brokerage headquartered in Irvine, California. It ranks #1 on Insurance Journal’s 2026 Top 100 Property/Casualty Agencies, reporting $3.97 billion in property/casualty agency revenue and $1.83 billion in other revenue.
Its website (www.alliant.com) lists industry specialties including Agribusiness, Auto Dealers, Aviation, Construction, Cyber, Data Centers, Energy & Marine, Financial Institutions, Forest Products and Government Contracting, among others.
Industry, coverage, and client-size tags on this profile reflect what the firm publishes about itself and are not an endorsement or an independent audit. Confirm capabilities directly with the firm.
Published Specialties
As listed on the firm's own website (alliant.com). Not an endorsement or an independent audit.