| argentina | catamarca province | uncultured nitrincola sp. | species | 1 | 0 |
| chile | atacama region | nitrincola sp. a-d6 | species | 236 | 0 |
| china | | nitrincola sp. | species | 4 | 0 |
| china | hunan | uncultured nitrincola sp. | species | 1 | 0 |
| hungary | | nitrincola sp. bw86-73 | species | 1 | 0 |
| hungary | | nitrincola sp. r4-8 | species | 3 | 0 |
| hungary | | nitrincola sp. zv-19 | species | 2 | 0 |
| hungary | bacs-kiskun county | nitrincola sp. bw86-73 | species | 1 | 0 |
| india | | nitrincola nitratireducens | species | 138 | 0 |
| india | gujarat | nitrincola sp. | species | 1 | 0 |
| india | maharashtra | nitrincola nitratireducens | species | 2 | 0 |
| india | maharashtra | nitrincola sp. meb087 | species | 77 | 0 |
| india | rajasthan | nitrincola lacisaponensis | species | 1 | 0 |
| iran | | nitrincola sp. | species | 3 | 0 |
| kenya | rift valley province | nitrincola sp. e-038 | species | 1 | 0 |
| kenya | rift valley province | nitrincola sp. e-044 | species | 1 | 0 |
| kenya | rift valley province | nitrincola sp. e-048 | species | 1 | 0 |
| kenya | rift valley province | nitrincola sp. m3-c1 | species | 1 | 0 |
| romania | | nitrincola sp. v2s-011 | species | 1 | 0 |
| romania | bihor county | uncultured nitrincola sp. | species | 1 | 0 |
| serbia | | nitrincola sp. zv-19 | species | 1 | 0 |
| united states | washington | nitrincola lacisaponensis | species | 90 | 0 |