Willbros Group, Inc. is a global engineering and contractor company based in Houston, Texas, United States. It is listed on the New York Stock Exchange. The company operates in the field of energy infrastructure services. Willbros provides engineering, procurement, and construction, such as refinery turnarounds, pipeline construction, pipeline integrity management, GIS consulting and other specialty services. Willbros was founded by William Brothers Company in 1908. It is organized under laws of Panama. It was reorganized as a public company in 1996. Originally, it was headquartered in Tulsa, Oklahoma. However, in 2000 it moved its administrative headquarters to Houston, Texas. In 2006, Willbros discontinued its operations in Nigeria and Venezuela, although in 2004.
