Marcus Insurance is a top competitor of William H. Connolly. Marcus Insurance was founded in Wethersfield, Connecticut} in 1941. Marcus Insurance competes in the Insurance Brokers industry. Compared to William H. Connolly, Marcus Insurance generates $7.3M more revenue.
PSA Insurance is William H. Connolly's #2 competitor. PSA Insurance is headquartered in Temecula, California, and was founded in 1979. PSA Insurance competes in the Insurance Brokers field. PSA Insurance generates 332% the revenue of William H. Connolly.
GDI Insurance has been one of William H. Connolly's top competitors. GDI Insurance is a Private company that was founded in 1989 in Turlock, California. Like William H. Connolly, GDI Insurance also competes in the Insurance Brokers industry. Compared to William H. Connolly, GDI Insurance has 16 fewer employees.