Out of staff? Try InStaff. InStaff Personnel provides temporary staffing services to light-industrial manufacturers and distribution firms, primarily in Texas. It offers background investigation, on-site management services, and human resources consulting. The company specializes in providing accounting, finance, and administration staffing services to the banking, telecommunications, health care, manufacturing, and real estate industries. InStaff operates from about 10 offices throughout Texas, as well as an outpost in Oklahoma. It was founded in 1984 under the name Waggoner Personnel.