| NFG Midstream Covington Gathering System | Mansfield | PA | Petroleum & Natural Gas Gathering & Boosting | 261,309 | 21.36% | | 5.6% | 11.8% |
| NFG Midstream Clermont Gathering System | Mount Jewett | PA | Petroleum & Natural Gas Gathering & Boosting | 159,748 | 13.06% | | 3.9% | 10.0% |
| Seneca East Facilities | Cranberry Township | PA | Onshore Petroleum & Natural Gas Production | 153,132 | 12.52% | | ** | ** |
| National Fuel Gas Distribution Corporation | Williamsville | NY | Natural Gas Local Distribution Companies | 129,769 | 10.61% | | ** | ** |
| NFG Midstream Trout Run Gathering System | Williamsport | PA | Petroleum & Natural Gas Gathering & Boosting | 100,359 | 8.21% | | 13.8% | 13.1% |
| NFGSC ELLISBURG STATION | Genessee | PA | Natural Gas Transmission/Compression | 97,062 | 7.94% | | 4.8% | 13.8% |
| National Fuel Gas Distribution Corp - Pennsylvania | Erie | PA | Natural Gas Local Distribution Companies | 77,636 | 6.35% | | ** | ** |
| Jackson Compressor Station | Lawrenceville | PA | Natural Gas Transmission/Compression | 55,761 | 4.56% | | 5.5% | 10.3% |
| NFGSC HINSDALE STATION | Hinsdale | NY | Natural Gas Transmission/Compression | 51,021 | 4.17% | | 9.6% | 16.7% |
| NFGSC CONCORD STATION | SPRINGVILLE | NY | Natural Gas Transmission/Compression | 36,637 | 3.00% | | 5.5% | 8.8% |
| EMPIRE - OAKFIELD STATION | Oakfield | NY | Natural Gas Transmission/Compression | 28,938 | 2.37% | | 11.9% | 13.4% |
| Seneca East G&B Facilities | Cranberry Township | PA | Petroleum & Natural Gas Gathering & Boosting | 22,667 | 1.85% | | 3.7% | 10.8% |
| NFGSC MERCER COMPRESSOR STATION | Mercer | PA | Natural Gas Transmission/Compression | 20,406 | 1.67% | | 8.2% | 10.0% |
| NFGSC ROYSTONE STATION | SHEFFIELD | PA | Natural Gas Transmission/Compression | 15,319 | 1.25% | | 4.6% | 10.9% |
| NFGSC INDEPENDENCE STATION | ANDOVER | NY | Underground Natural Gas Storage | 13,334 | 1.09% | | 6.1% | 18.7% |