an example of Warren Buffett's "disdain" for investment bankers. Utilities and energy group In 2008, Berkshire owned 85 million shares of ConocoPhillips. Later, in one of Buffett's interviews, he described this as "a major mistake" as the price of oil collapsed. Berkshire offloaded most of its shares but held 472 thousand shares until 2012. In that year, ConocoPhillips spun off a subsidiary, Phillips 66, of which Berkshire owned 27 million shares. Berkshire later sold back $1.4 billion worth of shares to Phillips 66 in exchange for Phillips Specialty Products. Buffett frequently referred to Phillips 66 as one of the best businesses Berkshire invested in because of its consistent dividends and share buyback programs. Despite this, Berkshire sold its entire holdings in 2020. Berkshire currently holds 92% of Berkshire Hathaway Energy. At the time of purchase, Berkshire's voting interest was limited to 10% of the company's shares, but this restriction ended when the Public Utility Holding Company Act of 1935 was repealed in 2005. A major subsidiary of Berkshire Hathaway Energy is Northern Powergrid, which operates in the UK. Until a name change on April 30, 2014, Berkshire Hathaway Energy was known as MidAmerican Energy Holdings Co. Manufacturing, service and retailing Recreational vehicles On June 21, 2005, Berkshire Hathaway agreed to purchase Forest River Inc., the world's largest seller of recreational vehicles, from Pete Liegl. Clothing Berkshire's clothing businesses include manufacturers and distributors of a variety of clothing and footwear. Businesses engaged in the manufacture and distribution of clothing include Union Underwear Corp. – Fruit of the Loom, Garan, Russell Corporation and Fechheimer Brothers. Fechheimer Brothers is made up of two brands, Flying Cross and Vertx. Flying Cross manufacturers public safety uniforms and Vertx is a civilian tactical clothing company. Berkshire's footwear businesses include H.H. Brown Shoe Group, Acme Boots, Brooks Sports and Justin Brands. Justin Brands is made up of Chippewa Boots, Justin Boots, Justin Original Workboots, Nocona Boots, and Tony Lama Boots. Berkshire acquired Fruit of the Loom on April 29, 2002, for $835 million in cash. Fruit of the Loom, headquartered in Bowling Green, Kentucky, is a vertically integrated manufacturer of basic clothing. Berkshire acquired Russell Corporation on August 2, 2006, for $600 million. Building products In August 2000, Berkshire Hathaway entered the building products business with the acquisition of Acme Building Brands. Headquartered in Fort Worth, Texas, Acme manufactures and distributes clay bricks (Acme Brick), concrete block