Pinkerton (detective agency) Michigan, New York, Pennsylvania, and West Virginia as well as the Great Railroad Strike of 1877 and the Battle of Blair Mountain in 1921. The company now operates as "Pinkerton Consulting & Investigations, Inc. d.b.a. Pinkerton Corporate Risk Management", a division of the Swedish security company Securitas AB. The former Government Services division, PGS, now operates as Securitas Critical Infrastructure Services, Inc. In the 1850s, Allan Pinkerton, Scottish detective and spy, met Chicago attorney Edward Rucker in a local Masonic Hall and formed the North-Western Police Agency, later known as the Pinkerton Agency. Historian Frank Morn writes: "By the mid-1850s
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