| Feb 3, 2020 | DMT Clear Gas Solutions | OTH | $15,000 |
| Jun 30, 2025 | Coalition for Renewable Natural Gas | OTH | $8,115.5 |
| Jul 13, 2018 | Ameresco, Inc. | OTH | $7,300 |
| Nov 9, 2018 | Toro Energy GP, Inc. | OTH | $7,300 |
| Dec 31, 2024 | Coalition for Renewable Natural Gas | OTH | $5,677.5 |
| Feb 26, 2025 | California Dream for All, Robert Rivas Ballot Measure Committee | COM | $5,500 |
| Jun 30, 2024 | Coalition for Renewable Natural Gas | OTH | $5,167 |
| Oct 9, 2018 | Renewable Power Producers LLC | OTH | $5,000 |
| Oct 22, 2019 | DMT Clear Gas Solutions | OTH | $5,000 |
| Jun 29, 2018 | Montauk Energy Capital | OTH | $5,000 |
| Jul 25, 2018 | Brinker, William H.Enerdyne Power Systems, Inc. | IND | $5,000 |
| Jul 25, 2018 | Brinker, William P.Enerdyne Power Systems, Inc. | IND | $5,000 |
| Aug 3, 2018 | Cambrian Energy Development, LLC | OTH | $5,000 |
| Jan 1, 2020 | Coalition for Renewable Natural Gas | OTH | $4,488 |
| Nov 13, 2018 | Anthony Rendon for Assembly 2018 | COM | $4,400 |
| Sep 30, 2023 | Coalition for Renewable Natural Gas | OTH | $3,866.5 |
| Apr 23, 2022 | Coalition for Renewable Natural Gas | OTH | $3,717.5 |
| Sep 30, 2025 | Coalition for Renewable Natural Gas | OTH | $2,992 |
| May 21, 2018 | Coalition for Renewable Natural Gas | OTH | $2,960 |
| Dec 31, 2021 | Coalition for Renewable Natural Gas | OTH | $2,915 |
| Oct 23, 2018 | Coalition for Renewable Natural Gas | OTH | $2,696.75 |
| Dec 31, 2020 | Coalition for Renewable Natural Gas | OTH | $2,561.5 |
| Dec 31, 2022 | Coalition for Renewable Natural Gas | OTH | $2,516 |
| Jul 26, 2023 | WM Energy | OTH | $2,500 |
| Oct 5, 2018 | Northwest Natural Gas PAC | COM | $2,500 |
| Nov 13, 2018 | Al Muratsuchi for Assembly 2018 | COM | $2,500 |
| Nov 13, 2018 | Chris Holden for Assembly 2018 | COM | $2,500 |
| Jan 7, 2022 | Air Liquide | OTH | $2,500 |
| Jan 7, 2022 | Archaea | OTH | $2,500 |
| Jan 7, 2022 | DTE Vantage | OTH | $2,500 |
| Jan 7, 2022 | Energy Developments | OTH | $2,500 |
| Jan 7, 2022 | Generate Capital | OTH | $2,500 |
| Mar 1, 2024 | Avelino Valencia for Assembly 2024 | COM | $2,500 |
| Mar 1, 2024 | Cottie Petrie-Norris for Assembly 2024 | COM | $2,500 |
| Jul 26, 2023 | Aemetis Biogas | OTH | $2,500 |
| Jul 26, 2023 | Ally RNG | OTH | $2,500 |
| Jul 26, 2023 | BioEnergy DevCo | OTH | $2,500 |
| Jul 26, 2023 | BP | OTH | $2,500 |
| Jul 26, 2023 | Burns & McDowell | OTH | $2,500 |
| Jul 26, 2023 | Cambrian Energy Development, LLC(Evan Williams) | OTH | $2,500 |
| Jul 26, 2023 | CEI Builders | OTH | $2,500 |
| Jul 26, 2023 | Constellation | OTH | $2,500 |
| Jul 26, 2023 | Cresta Fund Management | OTH | $2,500 |
| Jul 26, 2023 | DTE Vantage | OTH | $2,500 |
| Jul 26, 2023 | Emerson | OTH | $2,500 |
| Jul 26, 2023 | Evonik | OTH | $2,500 |
| Jul 26, 2023 | Nature Energy US | OTH | $2,500 |
| Jul 26, 2023 | NRG Energy | OTH | $2,500 |
| Jul 26, 2023 | Sapphire Gas Solutions | OTH | $2,500 |
| Jul 26, 2023 | Southwest Gas Corporation | OTH | $2,500 |
| Jul 26, 2023 | Spire Energy | OTH | $2,500 |
| Jul 26, 2023 | Williams Companies | OTH | $2,500 |
| May 3, 2019 | Energy Developments | OTH | $2,500 |
| Jul 1, 2019 | Coalition for Renewable Natural Gas | OTH | $2,404.5 |
| Sep 21, 2024 | Coalition for Renewable Natural Gas | OTH | $2,177.5 |
| Mar 31, 2023 | Coalition for Renewable Natural Gas | OTH | $2,017 |
| May 21, 2022 | Coalition for Renewable Natural Gas | OTH | $1,829.5 |
| Dec 31, 2023 | Coalition for Renewable Natural Gas | OTH | $1,829 |
| Jun 30, 2023 | Coalition for Renewable Natural Gas | OTH | $1,674 |
| Mar 31, 2021 | Coalition for Renewable Natural Gas | OTH | $1,389.5 |
| Feb 17, 2024 | Coalition for Renewable Natural Gas | OTH | $1,240 |
| Oct 2, 2018 | Coalition for Renewable Natural Gas | OTH | $1,205 |
| Feb 19, 2019 | Coalition for Renewable Natural Gas | OTH | $1,002 |
| Jul 27, 2018 | Coalition for Renewable Natural Gas | OTH | $848 |
| Nov 26, 2018 | Coalition for Renewable Natural Gas | OTH | $831 |
| Jun 30, 2021 | Coalition for Renewable Natural Gas | OTH | $825 |
| Jun 18, 2019 | Coalition for Renewable Natural Gas | OTH | $813 |
| May 29, 2019 | Coalition for Renewable Natural Gas | OTH | $775 |
| Jun 13, 2018 | Coalition for Renewable Natural Gas | OTH | $741 |
| Apr 16, 2019 | Coalition for Renewable Natural Gas | OTH | $625.5 |
| Jan 28, 2019 | Coalition for Renewable Natural Gas | OTH | $504 |
| Jan 7, 2022 | Sustain RNG | OTH | $500 |
| Jul 26, 2023 | SKS Development | OTH | $500 |
| Jul 26, 2023 | Blue Delta | OTH | $500 |
| Jul 26, 2023 | Sustain RNG | OTH | $500 |
| Jul 26, 2023 | Waga Energy | OTH | $500 |
| Jun 20, 2019 | Freedom Fuel Operating, LLC | OTH | $500 |
| Jul 26, 2023 | Denver, City of | OTH | $500 |
| Jun 29, 2018 | Minter, George I.Southern California Gas Company | IND | $500 |
| Jul 26, 2023 | EcoEngineers | OTH | $500 |
| Jul 26, 2023 | Electrochaea Corporation | OTH | $500 |
| Jul 26, 2023 | Freedom Fuel Operating, LLC(Roger Oldigs) | OTH | $500 |
| Jul 26, 2023 | Green Rock Energy Partners | OTH | $500 |
| Jul 26, 2023 | Husch Blackwell | OTH | $500 |
| Jul 26, 2023 | New Jersey Natural Gas | OTH | $500 |
| Jul 26, 2023 | NLC Energy | OTH | $500 |
| Jul 26, 2023 | Phoenix, City of | OTH | $500 |
| Jul 26, 2023 | Puregas Solutions - Wartsila NA | OTH | $500 |
| Jul 26, 2023 | Renew Gas Transportation | OTH | $500 |
| Jan 7, 2022 | Equilibrium Capital | OTH | $500 |
| Jul 26, 2023 | SCS Engineers | OTH | $500 |
| Jul 26, 2023 | Sims Energy | OTH | $500 |
| Dec 17, 2018 | Coalition for Renewable Natural Gas | OTH | $462 |
| Jun 30, 2022 | Coalition for Renewable Natural Gas | OTH | $427.5 |
| Mar 15, 2019 | Coalition for Renewable Natural Gas | OTH | $292.5 |
| Nov 9, 2018 | Toro Energy GP, Inc. | OTH | $200 |
| Oct 1, 2020 | First Foundation Bank | OTH | $20 |
| Dec 17, 2020 | First Foundation Bank | OTH | $20 |
| Nov 4, 2020 | First Foundation Bank | OTH | $20 |
| Aug 5, 2020 | First Foundation Bank | OTH | $20 |