Alagasco
 | |
| Subsidiary of Laclede Group | |
| Industry | Utilities |
| Founded | 1852 |
| Headquarters | Birmingham, Alabama, United States |
Key people | Ken Smith, President |
| Products | Natural Gas Provider |
| Revenue |
 $654.7 million USD (2008) |
Number of employees | 1,130 (2008) |
| Website | http://www.alagasco.com/ |
Alabama Gas Corporation, known as Alagasco, headquartered in Birmingham, Alabama, is the largest natural gas utility in north and central Alabama that provides energy to 460,000 homes and businesses. Its history dates back more than 150 years. It has operating divisions in Anniston, Birmingham, Gadsden, Montgomery, Opelika, Selma, and Tuscaloosa.
Alagasco was one of the two operating units of Energen Corporation, a diversified energy company also headquartered in Birmingham, Alabama. In 2014 Energen sold the distribution utility to the Laclede Group of St. Louis, Missouri.