Customer Service Center

Customer Service Center

About Alliant Insurance Services, Inc.

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.


Complete these forms to apply for the AIHA Program.

If you have a claim filed against you, follow these instructions.


Frequently Asked questions on the Professional Liability Insurance Program.

Do you still have Questions?

Toll Free: (855) 279-AIHA

Fax: 703-397-0995

Office Hours: M-F, 8:30am – 5pm EST



Subject Line: Your Inquiry – Your Name

Body: Your policy number

          Your question


Mail: Alliant Insurance Services, Inc.

         ATTN: AIHA Program Administrators

         4530 Walney Road, Suite 200 Chantilly, VA  20151