Metro 4, Inc. is a Tennessee corporation. Metro 4 qualifies as a charitable, tax-exempt corporation as provided in the United States Code, Title 26, Subtitle A, Chapter 1, Subchapter F, Part 1, Section 501(c)(6).

Metro 4 does not engage in for-profit activities nor does it use federal funds to influence legislation.

Metro 4 was incorporated March 29, 1996.

The Board of Directors of Metro 4 consists of representatives of the air pollution control agencies who serve as president, vice president, secretary/treasurer, and two members at large.

President - Art Williams - Louisville Kentucky

Vice President - Danny Shea, Huntsville, Alabama

Secretary/Treasurer - Bob Colby, Chattanooga-Hamilton County Tennessee

Director - Bob Rogers, Memphis-Shelby County, Tennessee

Director - Ebenezer Gujjarlapudi, Jacksonville, Florida