RLI Corp. underwrites selected property and casualty insurance through major subsidiaries collectively known as RLI Insurance Group. We conduct operations principally through three insurance companies. RLI Insurance Company, our principal subsidiary, writes multiple lines insurance on an admitted basis in all 50 states, the District of Columbia and Puerto Rico. Mt. Hawley Insurance Company, a subsidiary of RLI Insurance Company (RLI Ins.), writes surplus lines insurance in all 50 states, the District of Columbia, Puerto Rico, the Virgin Islands and Guam. RLI Indemnity Company, a subsidiary of Mt. Hawley Insurance Company, has authority to write multiple lines of insurance on an admitted basis in 48 states and the District of Columbia. RIC has the authority to write fidelity and surety in North Carolina. We are an Illinois corporation that was organized in 1965. We have no mate rial foreign operations.
We maintain an Internet website at http://www.rlicorp.com. We make available free of charge on our website our annual report on Form 10-K, our quarterly reports on Form 10-Q, current reports on Form 8-K and amendments to those reports filed with or furnished to the Securities and Exchange Commission as soon as reasonably practicable after such materials are filed or furnished. Information contained on our website is not intended to be incorporated by reference in this annual report and you should not consider that information a part of this annual report.
As a niche company, we offer specialty insurance coverages designed to meet specific insurance needs of targeted insured groups and underwrite for certain markets that are underserved by the insurance and reinsurance industry, such as our difference in conditions coverages or oil and gas surety bonds. We also provide types of coverages not generally offered by other companies, such as our stand-alone personal umbrella policy. The excess and surplus market, which unlike the standard admitted market is less regulated and more flexible in terms of policy forms and premium rates, provides an alternative for customers with hard-to-place risks. When we underwrite within the surplus lines market, we are selective in the line of business and type of risks we choose to write. Using our non-admitted status in this market allows us to tailor terms and conditions to manage these exposures more effect ively than our admitted counterparts. Often the development of these specialty insurance coverages is generated through proposals brought to us by an agent or broker seeking coverage for a specific group of clients. Once a proposal is submitted, underwriters determine whether it would be a viable product based on our business objectives.
We distribute our property and casualty insurance through our wholly-owned branch offices that market to wholesale producers. We also market certain coverages to retail producers from several of our casualty, surety and property operations. We produce a limited amount of business under agreements with managing general agents under the direction of our product vice presidents. The majority of business is marketed through our branch offices located throughout the United States.
For the year ended December 31, 2010, the following table provides the geographic distribution of our risks insured as represented by direct premiums earned for all coverages. For the year ended December 31, 2010, no other state accounted for 1.5 percent or more of total direct premiums earned for all coverages.