| NFG Midstream Covington Gathering System | Mansfield | PA | Petroleum & Natural Gas Gathering & Boosting | 248,565 | 19.46% | | 5.6% | 11.8% |
| Seneca East Facilities | Brookville | PA | Onshore Petroleum & Natural Gas Production | 180,064 | 14.10% | | ** | ** |
| NFG Midstream Clermont Gathering System | Mount Jewett | PA | Petroleum & Natural Gas Gathering & Boosting | 159,112 | 12.46% | | 3.9% | 10.0% |
| National Fuel Gas Distribution Corporation | Williamsville | NY | Natural Gas Local Distribution Companies | 137,735 | 10.78% | | ** | ** |
| NFGSC ELLISBURG STATION | Genessee | PA | Natural Gas Transmission/Compression | 99,867 | 7.82% | | 4.8% | 13.8% |
| NFG Midstream Trout Run Gathering System | Williamsport | PA | Petroleum & Natural Gas Gathering & Boosting | 97,698 | 7.65% | | 13.8% | 13.1% |
| National Fuel Gas Distribution Corp - Pennsylvania | Erie | PA | Natural Gas Local Distribution Companies | 81,030 | 6.34% | | ** | ** |
| Jackson Compressor Station | Lawrenceville | PA | Natural Gas Transmission/Compression | 55,743 | 4.36% | | 5.5% | 10.3% |
| NFGSC HINSDALE STATION | Hinsdale | NY | Natural Gas Transmission/Compression | 52,890 | 4.14% | | 9.6% | 16.7% |
| NFGSC CONCORD STATION | SPRINGVILLE | NY | Natural Gas Transmission/Compression | 48,786 | 3.82% | | 9.3% | 9.5% |
| EMPIRE - OAKFIELD STATION | Oakfield | NY | Natural Gas Transmission/Compression | 30,611 | 2.40% | | 11.9% | 13.4% |
| NFGSC MERCER COMPRESSOR STATION | Mercer | PA | Natural Gas Transmission/Compression | 26,479 | 2.07% | | 8.2% | 10.0% |
| Seneca East G&B Facilities | Brookville | PA | Petroleum & Natural Gas Gathering & Boosting | 22,634 | 1.77% | | 3.7% | 10.8% |
| NFGSC ROYSTONE STATION | SHEFFIELD | PA | Natural Gas Transmission/Compression | 21,066 | 1.65% | | 4.6% | 10.9% |
| NFGSC INDEPENDENCE STATION | ANDOVER | NY | Underground Natural Gas Storage | 14,922 | 1.17% | | 6.1% | 18.7% |