Eustis Insurance & Benefits, a member of the Independent Insurance Agents and Brokers of America and the Council of Insurance Agents and Brokers, is one of the area's largest independent insurance agencies. Founded in 1946, Eustis Insurance & Benefits has offices in New Orleans, Mandeville, Baton Rouge and Houston. Eustis Insurance, a member of the Independent Insurance Agents of America, is one of the area's largest independent insurance agencies. Founded in 1946, Eustis Insurance has offices in both New Orleans and Mandeville.