Pinkerton (detective agency) 1960s, even the word "detective" disappeared from the agency's letterhead. In 1999, the company was bought by Securitas AB, a Swedish security company, for $384 million, followed by the acquisition of longtime Pinkerton rival, the William J. Burns Detective Agency (founded in 1910), to create (as a division of the parent) Securitas Security Services USA. Pinkerton (detective agency) Pinkerton, founded as the Pinkerton National Detective Agency, is a private security guard and detective agency established in the United States by Scotsman Allan Pinkerton in 1850 and currently a subsidiary of Securitas AB. Pinkerton became famous when he claimed to have
Baldwin–Felts Detective Agency Agency. By then, strikebreaking work had declined. State and federal legislation outlawing the use of private detectives for the purpose of spying on or harassing workers, along with shifting public opinion, had made such detectives less useful to management in labor disputes. After the agency closed its doors, most of the company's files were destroyed or lost. The largest collection of extant files is housed at the Eastern Regional Coal Archives, in Bluefield, West Virginia. Baldwin–Felts Detective Agency The Baldwin–Felts Detective Agency was a private detective agency in the United States from the early 1890's to 1937. Today, it is