| R&D Sour Ale | New Glarus Brewing Company | Wild Ale | 5.4% |
| R&D Sour Fruit - Wild Blackberry (VSB) | New Glarus Brewing Company | Wild Ale | 5.0% |
| R&D Sour Porter | New Glarus Brewing Company | Wild Ale | 6.3% |
| R&D Trio | New Glarus Brewing Company | | |
| R&D Very Sour Blackberry | New Glarus Brewing Company | Wild Ale | |
| R&D Vintage 2014 | New Glarus Brewing Company | Wild Ale | 6.0% |
| R&D Vintage 2015 | New Glarus Brewing Company | Gueuze | 5.0% |
| R&D Vintage 2016 | New Glarus Brewing Company | Wild Ale | 5.0% |
| R&D Vintage 2017 | New Glarus Brewing Company | Wild Ale | 5.0% |
| R&D Vintage 2018 | New Glarus Brewing Company | Wild Ale | |
| R&D Vintage 2020 | New Glarus Brewing Company | Wild Ale | 5.6% |
| R&D Vintage 2021 | New Glarus Brewing Company | Wild Ale | 6.1% |
| R&D Vintage 2022 | New Glarus Brewing Company | Wild Ale | 6.2% |
| R&D Vintage 2024 | New Glarus Brewing Company | Wild Ale | 7.0% |
| R&D Weizen Eisbock | New Glarus Brewing Company | Weizenbock | 12.0% |