(K.C. Alfred/San Diego Union-Tribune)
Platinum Equity, which was founded in 1995, has acquired numerous companies in addition to the San Diego Union-Tribune, including:
1998: DCA Services, a software maker (from WorldCom Inc.)
1999: Tradeline.com, a financial database company (from Dow Jones & Co.)
2000: Aptis Inc., a software maker (from Billing Concepts Corp.)
2001: Staples Communications, a telecommunications provider (from Staples Inc.)
2003: Broadspire Disability, an insurance firm (from Kemper Insurance)
2005: American Racing Equipment Inc., a manufacturer of high-performance auto wheels (from Falconbridge Ltd.)
2006: PNA Group Inc., a steel distributor (from TUI AG)
2006: Textron Fastening Systems, a maker of latching components for automotive and aerospace equipment (from Textron Inc.)
2007: Healthcare Marketing Services, providers of sales and communications services (from Cardinal Health)
2008: 3B The Fibreglass Co., automotive parts maker (from Owens Corning)
2009: DAUM Commercial Real Estate Services (from DAUM)
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