| 1 | WASHINGTON GAS LIGHT COMPANY | $118,826,234 | 22 | $5,401,192 | Sep 01, 2026 | Department of Health and … |
| 2 | LIBERTY UTILITIES (PEACH STATE NATURAL GAS)… | $85,788,727 | 1 | $85,788,727 | Sep 27, 2001 | Department of Defense |
| 3 | ATLANTA GAS LIGHT COMPANY | $52,115,714 | 1 | $52,115,714 | Mar 16, 2026 | Department of Homeland Se… |
| 4 | ENSTAR NATURAL GAS COMPANY, LLC | $46,512,480 | 1 | $46,512,480 | Jan 01, 2020 | Department of Defense |
| 5 | NAVAJO TRIBAL UTILITY AUTHORITY | $39,424,436 | 23 | $1,714,106 | Jun 27, 2024 | Department of the Interior |
| 6 | SOUTHERN COMPANY GAS | $35,779,365 | 5 | $7,155,873 | Aug 01, 2024 | General Services Administ… |
| 7 | NRG BUSINESS MARKETING LLC | $35,679,227 | 33 | $1,081,189 | Oct 01, 2026 | Department of Veterans Af… |
| 8 | SCHUYLER LINE NAVIGATION COMPANY LLC | $35,537,289 | 2 | $17,768,645 | Jul 11, 2025 | Department of Defense |
| 9 | ONE GAS INC | $28,174,583 | 6 | $4,695,764 | Oct 01, 2025 | Department of Defense |
| 10 | PEOPLES GAS SYSTEM, INC | $26,589,322 | 2 | $13,294,661 | Dec 08, 2015 | Department of Defense |
| 11 | TOKYO GAS CO.,LTD. | $23,628,521 | 2 | $11,814,261 | Oct 01, 2025 | Department of Defense |
| 12 | CONSTELLATION NEWENERGY - GAS DIVISION, LLC | $22,936,435 | 6 | $3,822,739 | Apr 01, 2026 | Department of Health and … |