| S.No. | Ticker | Company | Market Capitalization |
|---|---|---|---|
| 1 | ATO | Atmos Energy Corp | 30.75 Bn |
| 2 | NI | Nisource Inc. | 22.46 Bn |
| 3 | UGI | Ugi Corp /Pa/ | 7.90 Bn |
| 4 | NJR | New Jersey Resources Corp | 5.64 Bn |
| 5 | OGS | ONE Gas, Inc. | 5.35 Bn |
| 6 | BKH | Black Hills Corp /Sd/ | 5.17 Bn |
| 7 | CPK | Chesapeake Utilities Corp | 3.03 Bn |
| 8 | CTRI | Centuri Holdings, Inc. | 2.68 Bn |
| 9 | BIPC | Brookfield Infrastructure Corp | 0.45 Bn |
| 10 | RGCO | Rgc Resources Inc | 0.22 Bn |
| 11 | OPAL | OPAL Fuels Inc. | 0.07 Bn |
| 12 | SPH | Suburban Propane Partners Lp | 0.00 Bn |