| Acetobacter aceti | Type Strain | ATCC® 15973™ | September 29, 2020 | 3.7 Mb | | |
| Acidothermus cellulolyticus | Type Strain | ATCC® 43068™ | February 26, 2020 | 2.4 Mb | | |
| Acinetobacter baumannii | Type Strain | ATCC® 19606™ | May 14, 2019 | 4.0 Mb | | |
| Acinetobacter johnsonii | MSA ComponentType Strain | ATCC® 17909™ | May 14, 2019 | 3.6 Mb | | |
| Actinobacillus pleuropneumoniae | Type Strain | ATCC® 27088™ | March 27, 2020 | 2.3 Mb | | |
| Actinobacillus succinogenes | Type Strain | ATCC® 55618™ | February 26, 2020 | 2.3 Mb | | |
| Actinomyces naeslundii | Type Strain | ATCC® 12104™ | February 26, 2020 | 3.1 Mb | | |
| Aeromonas hydrophila | Type Strain | ATCC® 7966™ | June 14, 2019 | 4.7 Mb | | |
| Aeromonas salmonicida | Type Strain | ATCC® 33658™ | October 28, 2020 | 4.9 Mb | | |
| Akkermansia muciniphila | Type Strain | ATCC® BAA-835™ | June 19, 2019 | 2.7 Mb | | |
| Alcaligenes faecalis | Type Strain | ATCC® 8750™ | June 14, 2019 | 4.1 Mb | | |
| Alcanivorax borkumensis | Type Strain | ATCC® 700651™ | May 14, 2019 | 3.1 Mb | | |
| Aliivibrio fischeri | Type Strain | ATCC® 7744™ | October 28, 2020 | 4.5 Mb | | |
| Aliivibrio salmonicida | Type Strain | ATCC® 43839™ | November 30, 2020 | 4.5 Mb | | |
| Alistipes putredinis | Type Strain | ATCC® 29800™ | November 30, 2020 | 2.5 Mb | | |
| Alistipes shahii | Type Strain | ATCC® BAA-1179™ | December 21, 2020 | 3.8 Mb | | |
| Anaerococcus prevotii | Type Strain | ATCC® 9321™ | August 27, 2019 | 2.0 Mb | | |
| Archaeoglobus fulgidus | Type Strain | ATCC® 49558™ | August 27, 2019 | 2.2 Mb | | |
| Aspergillus clavatus | Type Strain | ATCC® 1007™ | December 22, 2020 | 28.0 Mb | | |
| Atlantibacter subterranea | Type Strain | ATCC® BAA-836™ | October 28, 2020 | 4.8 Mb | | |
| Avibacterium paragallinarum | Type Strain | ATCC® 29545™ | December 21, 2020 | 2.8 Mb | | |
| Azotobacter vinelandii | Type Strain | ATCC® 478™ | September 29, 2020 | 5.4 Mb | | |
| Bacillus amyloliquefaciens | Type Strain | ATCC® 23350™ | August 27, 2019 | 4.0 Mb | | |
| Bacillus cereus | Type Strain | ATCC® 14579™ | February 26, 2020 | 5.4 Mb | | |
| Bacillus coagulans | Type Strain | ATCC® 7050™ | February 26, 2020 | 3.3 Mb | | |
| Bacillus licheniformis | Type Strain | ATCC® 14580™ | August 27, 2019 | 4.2 Mb | | |
| Bacillus megaterium | Type Strain | ATCC® 14581™ | December 21, 2020 | 5.7 Mb | | |
| Bacillus mojavensis | Type Strain | ATCC® 51516™ | August 27, 2019 | 4.0 Mb | | |
| Bacillus mycoides | Type Strain | ATCC® 6462™ | February 26, 2020 | 5.6 Mb | | |
| Bacillus pumilus | Type Strain | ATCC® 7061™ | August 27, 2019 | 3.9 Mb | | |