Atlantic Casualty Insurance Company

Atlantic Casualty Insurance Company was formed by Strickland Insurance Group (SIG) in 1983 to underwrite a substantial book of non-standard personal auto. By the late 1990's, the book had grown to over $100 million of premium in seven states. In 1998 the the company refocused on commercial products. Our current product lines include Commercial General Liability, Commercial Package, Inland Marine, Ocean Marine, Commercial Property, Boiler and Machinery and Commercial Auto (NC only). These products are distributed exclusively through Managing General Agencies. . In January of 2016, Atlantic Casualty and SIG were acquired and became part of the Auto-Owners Insurance Group.