› Bacillus sp. 32A
› Bacillus stearothermophilus Donk 1920 (Approved Lists 1980)
› Bacillus strearothermophilus
› Bacillus thermoliquefaciens
› CCM 2062
› CCRC 11092
› CCUG 26241
› CIP 66.23
› DSM 22
› Geobacillus stearothermophilus (Donk 1920) Nazina et al. 2001 emend. Coorevits et al. 2012
› IAM 11062
› IFO 12550
› JCM 2501
› KCTC 1665
› KCTC 1752
› LMG 6939
› NBRC 12550
› NCCB 75019
› NCDO 1768
› NCIMB 8923
› NCTC 10339
› NRRL B-1172
› VKM B-510
› strain R-35646

› ATCC 12980 / DSM 22 / JCM 2501 / NBRC 12550 / NCIMB 8923 / NCTC 10339 / VKM B-510, ATCC 12980, ATCC 12980 / DSM 22 / IFO 12550 / NCIB 8923 / NCTC 10339, DSM 22, IFO 12550, NCA 26
› ATCC 1518
› ATCC 29609 / DSM 2027 / NCA 1503 / NCIMB 8924, ATCC 29609 / DSM 2027 / NCA 1503 / NCIB 8924, ATCC 7954, NCA 1503, NCA1503, NCIB 8924
› ATCC 67824 / DSM 6285 / BR219, DSM 6285
› ATCC 7953 / DSM 5934 / JCM 9488 / NBRC 13737 / NCIB 8157 / NCTC 10007 / NCA 1518, ATCC 7953, ATCC 7953 / DSM 5934 / IFO 13737 / NCIB 8157 / NCTC 10007, IFO 13737, VKM B-715
› BR388
› CCM 2184
› CU21
› DSM 13240 / CIP 106956 / 10, 10
› DSM 2313 / NCIMB 10278 / KCTC 1823, DSM 2313 / NCIB 10278 / KCTC 1823, KCTC 1823, NCIMB 10278, VKM B-2195
› DSM 2334 / Var. Non-diastaticus, DSM 2334, Var. Non-diastaticus
› JN209
› K1041
› KVE39
› NCIMB 8224 / CCM 2186 / VKM B-718, NCIB 8224, NCIB 8224 / CCM 2186
› NCIMB 12403 / LLD-R, LLDR
› NS1122A
› NUB36
› No. 21, No.21
› No. 236, No.236
› T-6
› T-6 / NCIMB 40221
› T-6 / NCIMB 40222
› TH 6-2, TH6-2
› TRBE14
› UK563