Petrolab, Inc.

A company that specializes in providing technical support, as well as testing instruments, for the petroleum and chemical industries. Petrolab also offers consultation and support to a variety of other industries, such as plastics, food safety, and pharmaceuticals. According to Hillerman's 1980 novel People of Darkness, the company is based in Farmington, New Mexico, it is in fact located in Broken Arrow, Oklahoma, and there is no indication that it was ever operating in Farmington, although it probably did provide services to oil drilling sites in New Mexico.