Alleghany Corporation owns and manages certain operating subsidiaries and investments, anchored by a core position in property and casualty reinsurance and insurance. We were incorporated in Delaware in 1984. Through our wholly-owned subsidiary TransRe, we are engaged in the property and casualty reinsurance business. TransRe has been a subsidiary of ours since March 2012. Through our wholly-owned subsidiary AIHL, we are engaged in the property and casualty insurance business. AIHL's insurance operations are principally conducted by its subsidiaries RSUI and CapSpecialty. Prior to December 31, 2017, AIHL's insurance operations also included PacificComp. RSUI has been a subsidiary of AIHL since July 2003 and CapSpecialty has been a subsidiary of AIHL since January 2002. AIHL Re, a captive reinsurance company which provides reinsurance to Alleghany's current and former insurance operating subsidiaries and affiliates, has been a wholly-owned subsidiary of Alleghany since its formation in May 2006.
Although our primary sources of revenues and earnings are our reinsurance and insurance operations and investments, we also generate revenues and earnings from a diverse portfolio of middle market businesses that are owned and managed through our wholly-owned subsidiary Alleghany Capital. Alleghany Capital's businesses include:
- Bourn & Koch. On April 26, 2012, we acquired a controlling interest in Bourn & Koch, a manufacturer/ remanufacturer of specialty machine tools and supplier of replacement parts, accessories and services for a variety of cutting technologies.