TOP TEN U.S.-BASED SURPLUS LINES INSURANCE COMPANIES BY NONADMITTED DIRECT WRITTEN PREMIUMS, 2009
Rank Company (parent) Nonadmitted direct premiums
1 Lexington Insurance Co. (Chartis Insurance Holdings Inc.) $5,401,943,496 (1)
2 Steadfast Insurance Co. (Zurich Financial Services Group) 1,111,044,133 (1)
3 Scottsdale Insurance Co. (Nationwide Mutual Insurance Co.) 1,030,448,496 (1)
4 Chartis Specialty Insurance Co. (2) (Chartis Insurance Holdings Inc.) 788,283,305 (1)
5 Columbia Casualty Co. (CNA Financial Corp.) 733,206,970
6 Landmark American Insurance Co. (Alleghany Corp.) 570,978,740
7 Evanston Insurance Co. (Markel Corp.) 522,149,261
8 Illinois Union Insurance Co. (ACE Ltd.) 457,403,299
9 Westchester Surplus Lines Insurance Co. (ACE Ltd.) 456,130,444
10 Arch Specialty Insurance Co. (Arch Capital Group Ltd.) 444,208,876

(1) Provided on a pooling basis.
(2) Formerly American International Specialty Lines Insurance Co.

Source: Business Insurance, October 11, 2010.