| Periodo | Totale attività | Var. |
| 2025 | 28.25 B USD | +12.13% |
| 2024 | 25.19 B USD | +11.89% |
| 2023 | 22.52 B USD | +1.46% |
| 2022 | 22.19 B USD | +13.18% |
| 2021 | 19.61 B USD | +27.67% |
| 2020 | 15.36 B USD | +14.90% |
| 2019 | 13.37 B USD | +12.57% |
| 2018 | 11.87 B USD | +10.46% |
| 2017 | 10.75 B USD | +7.38% |
| 2016 | 10.01 B USD | — |
Atmos Energy Corporation is a natural gas utility company that focuses on the distribution, transmission, and storage of natural gas in the United States. Headquartered in Dallas, Texas, it operates as a fully regulated, pure-play natural gas provider serving residential, commercial, industrial, and public-sector customers across multiple states, including large markets in Texas. The company’s core activities are organized into two primary segments: Distribution, which handles regulated natural gas delivery and related sales operations to end users, and Pipeline and Storage, which manages intrastate pipeline networks, storage facilities, and transmission services. Atmos Energy plays a central role in regional energy infrastructure by supplying fuel for heating, cooking, and industrial processes, as well as supporting power generation and large-scale gas transportation. As a regulated utility, it operates under state and local oversight, emphasizing system safety, reliability, and compliance while maintaining critical natural gas infrastructure that underpins everyday energy needs in its service territories.