The development, created in 1970, is among the largest private industrial complexes in the United States. The leading center for chemical processing in the Houston area, Bayport contains more than 60 chemical plants. Businesses located in this district can receive tax incentives from Harris County, La Porte, and Pasadena. As of 2007[update] local business volume for Bayport-related enterprises exceeds $829 million annually with 11,000 jobs directly attributable to the complex. Additionally the Bay Area Houston Economic Partnership estimates that for every job created within the complex approximately 3.79 related jobs are created on average outside the district. Thus the district represents a key economic pillar of the communities in the area.
^ ab"Chemicals & Plastics". Bay Area Houston Economic Parntership. Retrieved 4 Sep 2009. edited by Bruce W. Radford. (1983). Public utilities fortnightly112. Public Utilities Reports, inc. p. 61. ISBN0-910325-28-6. "The Big Three complex at Bayport is one of the nation's largest industrial gas plants and the only one in the country which is steam-powered."