FrankCrum is a professional employer organization (PEO), founded in 1981 dedicated to helping business owners boost HR capabilities and broaden convenient services and benefits to employees. The origin of FrankCrum dates back to 1981, when Frank W. Crum, Jr. and his father, Frank Crum, Sr., founded the Great American Temporary Service. With a passion for helping small business owners succeed, the company has evolved and grown over several decades.