/ Thesaurus / I Synonyms of insurance company Find synonyms for: Noun1. insurance company, insurance firm, insurer, insurance underwriter, underwriter, nondepository financial institutionusage: a financial institution that sells insuranceWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language