| 2026-02-18 | WQXM523 | MG | A | Washington Gas Light Company |
| 2026-02-18 | WQXM525 | MG | A | Washington Gas Light Company |
| 2026-02-18 | WQXM521 | MG | A | Washington Gas Light Company |
| 2025-06-04 | WSKR750 | YM | A | Washington Gas Light Company |
| 2025-06-04 | WSKR748 | YM | A | Washington Gas Light Company |
| 2025-06-04 | WSKR751 | YM | A | Washington Gas Light Company |
| 2025-06-04 | WSKR749 | YM | A | Washington Gas Light Company |
| 2025-03-07 | WPPY393 | IG | A | WASHINGTON GAS LIGHT COMPANY |
| 2024-10-12 | WQVB790 | MG | A | Washington Gas Light Company |
| 2024-09-24 | WQVB750 | MG | A | Washington Gas Light Company |
| 2024-08-15 | WQUM502 | MG | A | Washington Gas Light Company |
| 2024-03-06 | WPEX584 | IG | A | WASHINGTON GAS LIGHT COMPANY |
| 2023-04-26 | WRXC754 | YO | A | WASHINGTON GAS LIGHT COMPANY |
| 2023-04-26 | WRXC755 | YO | A | WASHINGTON GAS LIGHT COMPANY |
| 2023-04-26 | WRXC756 | YO | A | WASHINGTON GAS LIGHT COMPANY |
| 2023-04-26 | WRXC757 | YO | A | WASHINGTON GAS LIGHT COMPANY |
| 2023-04-25 | WPXZ277 | MG | A | Washington Gas |
| 2023-04-25 | WPXW615 | MG | A | WASHINGTON GAS LIGHT COMPANY |
| 2023-03-24 | WRWS920 | YJ | A | WASHINGTON GAS LIGHT COMPANY |
| 2023-03-21 | WRWR905 | YJ | A | WASHINGTON GAS LIGHT COMPANY |
| 2023-03-01 | WRWK328 | YJ | A | WASHINGTON GAS LIGHT COMPANY |
| 2022-12-23 | WRVQ768 | YJ | A | WASHINGTON GAS LIGHT COMPANY |
| 2022-12-22 | WRVQ618 | YJ | A | WASHINGTON GAS LIGHT COMPANY |
| 2022-11-30 | WPWM578 | MG | A | Washington Gas |
| 2022-11-21 | WRVG876 | YJ | A | WASHINGTON GAS LIGHT COMPANY |
| 2022-09-27 | WPWM581 | MG | A | Washington Gas Light Co |
| 2022-08-06 | WPKV501 | IG | A | FREDERICK GAS COMPANY |
| 2022-04-21 | WNTN574 | MG | A | Washington Gas |
| 2022-04-06 | WPUU311 | MG | A | Washington Gas Light company |
| 2022-02-04 | WPND255 | MG | A | WASHINGTON GAS LIGHT COMPANY |
| 2022-02-04 | KZK54 | MG | A | WASHINGTON GAS LIGHT COMPANY |
| 2022-02-04 | WPND500 | MG | A | WASHINGTON GAS LIGHT COMPANY |
| 2022-02-04 | WPUT365 | MG | A | Washington Gas Light company |
| 2022-02-04 | WQOW452 | MG | A | Washington Gas Light Company |
| 2022-02-04 | WIW76 | MG | A | WASHINGTON GAS LIGHT COMPANY |
| 2021-12-11 | WROU767 | MG | A | Washington Gas Light Company |
| 2021-12-11 | WROU768 | MG | A | Washington Gas Light Company |
| 2021-12-10 | WROU603 | MG | A | Washington Gas Light Company |
| 2021-12-10 | WROU604 | MG | A | Washington Gas Light Company |
| 2020-09-18 | WPQY400 | MG | A | FREDERICK GAS COMPANY INC |
| 2020-07-25 | WIW74 | MG | A | WASHINGTON GAS LIGHT COMPANY |
| 2020-07-25 | WIW75 | MG | A | Washington Gas Light |
| 2020-07-10 | WPQS648 | MG | A | Washington Gas Light |
| 2020-07-10 | WPQT403 | MG | A | Washington Gas Light |
| 2020-07-10 | WPQS649 | MG | A | Washington Gas Light |
| 2020-07-10 | WPQS651 | MG | A | Washington Gas Light |
| 2020-07-10 | WQMM393 | MG | A | Washington Gas Light Company |
| 2020-07-10 | WPQS647 | MG | A | Washington Gas Light |
| 2020-06-23 | WQMJ937 | MG | A | Washington Gas Light Company |
| 2020-06-23 | WQML414 | MG | A | Washington Gas Light Company |
| 2020-06-23 | WQMK671 | MG | A | Washington Gas Light Company |
| 2020-06-23 | WQMK672 | MG | A | Washington Gas Light Company |
| 2020-06-23 | WQMK411 | MG | A | Washington Gas Light Company |
| 2020-06-23 | WQMK670 | MG | A | Washington Gas Light Company |
| 2020-06-23 | WQML417 | MG | A | Washington Gas Light Company |
| 2020-06-23 | WQMK883 | MG | A | Washington Gas Light Company |
| 2020-06-23 | WQMK408 | MG | A | Washington Gas Light Company |
| 2020-06-23 | WQMJ925 | MG | A | Washington Gas Light Company |
| 2020-06-23 | WQMK438 | MG | A | Washington Gas Light Company |
| 2020-06-23 | WQML415 | MG | A | Washington Gas Light Company |
| 2020-06-23 | WQMK407 | MG | A | Washington Gas Light Company |
| 2020-04-25 | WNTF500 | MG | A | WASHINGTON GAS LIGHT COMPANY |
| 2020-04-25 | WNTF499 | MG | A | WASHINGTON GAS LIGHT COMPANY |
| 2020-04-01 | WNTZ341 | MG | A | WASHINGTON GAS LIGHT COMPANY |
| 2020-01-17 | WNTX976 | MG | A | WASHINGTON GAS LIGHT COMPANY |
| 2020-01-17 | WDL75 | MG | A | WASHINGTON GAS LIGHT COMPANY |
| 2020-01-17 | KOR38 | MG | A | WASHINGTON GAS LIGHT COMPANY |
| 2020-01-17 | KZK52 | MG | A | WASHINGTON GAS LIGHT COMPANY |
| 2020-01-17 | KZK53 | MG | A | WASHINGTON GAS LIGHT COMPANY |
| 2019-12-20 | WBD203 | MG | A | WASHINGTON GAS LIGHT COMPANY |
| 2019-12-20 | WIW77 | MG | A | WASHINGTON GAS LIGHT COMPANY |
| 2019-05-25 | WPOT482 | MG | A | WASHINGTON GAS LIGHT COMPANY |
| 2018-09-25 | WNET776 | MG | A | WASHINGTON GAS LIGHT COMPANY |
| 2018-09-25 | KOR41 | MG | A | WASHINGTON GAS LIGHT COMPANY |
| 2018-05-18 | WPNN892 | MG | A | WASHINGTON GAS LIGHT COMPANY |
| 2018-03-09 | WRAU759 | MG | A | Washington Gas Light Company |
| 2017-12-16 | WQIC699 | YG | A | WASHINGTON GAS LIGHT CORP. |
| 2017-02-15 | WQYW884 | MG | A | Washington Gas Light Company |
| 2016-12-29 | WQYS272 | MG | A | Washington Gas Light Company |
| 2013-12-25 | KAV646 | IG | C | FREDERICK GAS COMPANY INC |
| 2012-07-12 | KFJ595 | IG | C | WASHINGTON GAS LIGHT COMPANY |
| 2012-01-24 | WQOB872 | YI | E | WASHINGTON GAS LIGHT COMPANY |
| 2011-08-16 | WPTN453 | MG | E | Washington Gas |
| 2010-09-01 | WQMK405 | MG | T | Washington Gas Light Company |
| 2010-05-20 | WQLX768 | YI | T | WASHINGTON GAS LIGHT COMPANY |
| 2008-08-22 | WPOQ273 | MG | C | WASHINGTON GAS LIGHT COMPANY |
| 2007-11-30 | WQHY487 | YG | T | WASHINGTON GAS LIGHT CORP. |