|Traded as||NYSE: ATO|
$ 3.886 billion (FY 2013)
|$ 501.879 million (FY 2013)|
|$ 243.194 million (FY 2013)|
|Total assets||$ 7.940 billion (FY 2013)|
|Total equity||$ 2.580 billion (FY 2013)|
Number of employees
|4,720 (September 2013)|
Atmos Energy Corporation, headquartered in Dallas, Texas, is one of the country's largest natural-gas-only distributors, serving over three million natural gas distribution customers in over 1,400 communities in eight states from the Blue Ridge Mountains in the East to the Rocky Mountains in the West. Atmos Energy also manages company-owned natural gas pipeline and storage assets, including one of the largest intrastate natural gas pipeline systems in Texas and provides natural gas marketing and procurement services to industrial, commercial and municipal customers primarily in the Midwest and Southeast.
- Colorado-Kansas Division (formerly Greeley Gas, acquired 1993; added Kansas units of United Cities Gas in 1999)
- Kentucky/Mid-States Division (Western Kentucky Gas Company acquired 1989 from Texas American Energy; United Cities Gas acquired 1997)
- Louisiana Division (Trans Louisiana Gas acquired 1988, Louisiana Gas Service acquired 2001 from Citizens Utilities)
- Mid-Tex Division (formerly Lone Star Gas and TXU Gas, acquired 2004)
- Mississippi Division (formerly Mississippi Valley Gas, acquired 2001)
- West Texas Division (formerly Amarillo Gas, Pioneer Natural Gas, and Energas)
Atmos sold the Gaffney, South Carolina operations of United Cities Gas to Piedmont Natural Gas in 2000. Atmos sold its Missouri, Iowa, Illinois, and Georgia operations to Liberty Utilities in 2012 and 2013.
ATMOS PIPELINE - TEXAS
Atmos Pipeline - Texas is an intrastate natural gas transmission pipeline network which is connected to three major Texas market centers at Waha, Carthage, and Katy. The Atmos Pipeline - Texas Pipeline infrastructure is located at or near existing, new and proposed gas production fields including the Barnett Shale in north Texas and the Bossier Sand in east Texas. Atmos Pipeline - Texas' system includes approximately 6,000 miles of transmission pipelines within the state of Texas. The Atmos Pipeline - Texas system transports gas to the largest local distribution company in the state of Texas along with other smaller utilities, industrial end-users, independent power plants, and other pipelines.
GAS SUPPLY AND SERVICES
Atmos Energy Gas Supply and Planning (Gas Supply) acquires the natural gas supply for the gas requirements of Atmos Energy's residential, commercial and industrial sales customers located in various states. Annual purchases are approximately 290-300 Bcf for its distribution customers. Gas Supply acquires natural gas from a diverse portfolio of wellhead producers and commercial suppliers utilizing a combination of long and short term commitments, including purchases from the daily spot market.
ATMOS ENERGY MARKETING
Atmos Energy Marketing is a full-service natural gas marketing company providing supply and asset management services to utilities, industrial facilities, power plants and gas producers.
Atmos Energy Corporation's history dates back to 1906 in the Panhandle of Texas. Over the years, through various business combinations and mergers, the company became known as Pioneer Corporation, a large diversified West Texas energy company. In 1983, Energas, the natural gas distribution division of Pioneer, was spun off and became an independent, publicly held natural gas distribution company. In October 1988, Energas changed its corporate name to Atmos Energy Corporation and its stock began trading on the New York Stock Exchange under the ticker symbol "ATO". Atmos Energy has grown through acquisitions, its most recent acquisition was the distribution and pipeline operations of TXU Gas Company in October 2004. Today, Atmos Energy Corporation is one of the largest all-natural-gas distributors in the United States.
Charles K. Vaughn Center
Named after the first chairman and CEO, the Charles K. Vaughn Center is a technical training facility designed for new technicians and veterans who must be certified and recertified on a regular basis. Located in Plano, TX, the most visible aspect of the Vaughn Center is Gas City, an area designed to enable employees to practice and enhance their professional and safety skills. The area was built to resemble a simulated community with houses, mini-apartments, commercial buildings along with city streets having natural gas infrastructure, and a short gas transmission pipeline with pig launchers. 
- http://edgar.secdatabase.com/1196/73180213000017/filing-main.htm. Missing or empty
- "Atmos Energy, Form 8-K, Current Report, Filing Date Jan 3, 2013". secdatabase.com. Retrieved Jan 16, 2013.
- "Atmos to acquire Greeley. (Atmos Energy; Greeley Gas)". The Oil Daily. 1993-03-30. Retrieved 2015-02-27.
- United Cities gets new name
- "Texas firm purchases Western Kentucky Gas". Kentucky New Era. 1987-06-30. pp. 13–. Retrieved 2015-02-27.
- Atmos Energy completes merger with United Cities Gas
- Atmos Picks Up Citizens' Louisiana Distribution Assets
- Turner, Tyya N. (2005). "TXU Corp.". Vault Guide to the Top Energy & Oil/gas Employers. Vault Inc. pp. 173–179. ISBN 9781581313185.
- Atmos Energy to buy Mississippi Valley Gas for $150 million
- Atmos to Sell City Gas System in South Carolina
- Liberty Utilities Completes Acquisition of Atmos Energy’s Natural Gas Distribution Businesses in Illinois, Iowa and Missouri
- "Liberty Utilities Completes Acquisition of Atmos Energy’s Natural Gas Distribution Businesses in Georgia". Retrieved 2015-02-14.