Excess & Surplus

StarStone / CoreSpec

Core Specialty Insurance Holdings operates through specialized business units - including StarStone Specialty Insurance Company, a property and casualty excess and surplus lines insurer - that combine local underwriting autonomy with deep niche expertise. This decentralized, E&S-focused approach gives NeitClem access to responsive, knowledgeable underwriters for hard-to-place small and mid-sized commercial risks across agriculture, aviation, healthcare, and more.

Visit Website Submit an Application

Lines of Business

  • Excess Liability
  • Garage Liability
  • General Liability

Explore More Carriers

Excess & Surplus

Admiral

Admiral Insurance Group, a member of W. R. Berkley Corporation, has specialized in excess and surplus lines commercial casualty and professional liability since 1974, underwriting difficult-to-place risks across construction, cannabis, technology, and healthcare. Admiral's creative, outside-the-box underwriting philosophy makes it a go-to carrier for NeitClem on moderate-to-high-hazard accounts that require true E&S flexibility.

General Liability Errors & Omissions - All Others Errors & Omissions - Directors & Officers +7 more
View Carrier Profile
Excess & Surplus

Nautilus

Nautilus Insurance Group, a member of W. R. Berkley Corporation, is a leading excess and surplus lines carrier specializing in the high-volume, small-premium commercial market across general liability, property, and inland marine. Operating since 1985 and backed by an A+ (Superior) A.M. Best rating, Nautilus serves appointed wholesale general agents nationwide. Its deep E&S expertise and Berkley-backed financial strength make it a dependable market for NeitClem's harder-to-place small commercial accounts.

View Carrier Profile
Excess & Surplus

Markel / Evanston

Markel Corporation, through its Evanston Insurance Company subsidiary, is a leading excess and surplus lines carrier known for flexible, non-admitted capacity across professional liability, general liability, and specialty commercial risk. Evanston's broad appetite and creative underwriting give NeitClem a dependable E&S partner for complex accounts that fall outside standard market guidelines.

Pollution (Brokerage) General Liability Commercial Property (Package) +6 more
View Carrier Profile

Have a risk for StarStone / CoreSpec?

Submit your application and our brokerage team will confirm current appetite, walk through submission requirements, and get it in front of the right underwriter.

Submit an Application

Questions about a specific carrier or appetite? Talk to our brokerage team.

(323) 258-2600 QuoteNow@neitclem.com
(323) 258-2600 Get a Quote

Submitting your application…