| S.No. | Ticker | Company | Market Capitalization |
|---|---|---|---|
| 1 | ATO | Atmos Energy Corp | 30.88 Bn |
| 2 | NI | Nisource Inc. | 22.67 Bn |
| 3 | UGI | Ugi Corp /Pa/ | 8.08 Bn |
| 4 | BKH | Black Hills Corp /Sd/ | 5.85 Bn |
| 5 | NJR | New Jersey Resources Corp | 5.64 Bn |
| 6 | OGS | ONE Gas, Inc. | 5.57 Bn |
| 7 | BIPC | Brookfield Infrastructure Corp | 5.13 Bn |
| 8 | CTRI | Centuri Holdings, Inc. | 3.32 Bn |
| 9 | CPK | Chesapeake Utilities Corp | 3.07 Bn |
| 10 | SPH | Suburban Propane Partners Lp | 1.29 Bn |
| 11 | RGCO | Rgc Resources Inc | 0.23 Bn |
| 12 | OPAL | OPAL Fuels Inc. | 0.06 Bn |