| List. No. | Biosafety level | Bacterial name | IID No. | Corresponding No. | Remarks |
| 500 | 1 | Acholeplasma laidlawii | IID 886 | (pG 10) | |
| 501 | 2 | Aeromonas hydrophila | IID 1680 | (ATCC 7966, GIFU 3173) | type |
| 502 | 2 | Bacillus cereus | IID 1681 | (ATCC 14579, IAM 12605) | type |
| 503 | 2 | Bordetella pertussis | IID 510 | (IPH Tohama) | Phase I |
| 504 | 1 | Citrobacter freundii | IID 976 | (NIH 17) | |
| 505 | 2 | Corynebacterium diphtheriae | IID 526 | (NIHJ A-7) | Gravis-type |
| 506 | 2 | Corynebacterium diphtheriae | IID 527 | (406MGL M) | Mitis-type |
| 507 | 2 | Corynebacterium diphtheriae | IID 528 | (IP P.W. 8) | |
| 508 | 2 | Enterobacter aerogenes | IID 5206 | (ATCC 13048) | |
| 509 | 2 | Enterobacter cloacae | IID 977 | (ATCC 13047) | |
| 510 | 2 | Escherichia coli | IID 5208 | (ATCC 11775) | Neotype |
| 511 | 2 | Haemophilus influenzae | IID 983 | (ATCC 9327) | Type a |
| 512 | 2 | Haemophilus influenzae | IID 984 | (ATCC 9334) | Type b |
| 513 | 2 | Haemophilus influenzae | IID 985 | (ATCC 9007) | Type c |
| 514 | 2 | Haemophilus influenzae | IID 986 | (ATCC 9332) | Type d |
| 515 | 2 | Haemophilus influenzae | IID 987 | (ATCC 8142) | Type e |
| 516 | 2 | Haemophilus influenzae | IID 988 | (ATCC 9833) | Type f |
| 517 | 2 | Haemophilus influenzae | IID 989 | ||
| 518 | 1 | Haemophilus parainfluenzae | IID 991 | (ATCC 7901) | |
| 519 | 1 | Hafnia alvei | IID 978 | (NIH 64) | |
| 520 | 2 | Helicobacter pylori | IID 3023 | ||
| 521 | 2 | Klebsiella pneumoniae | IID 875 | (NUM Kasuya) | Serotype 1, O-type 3 |
| 522 | 2 | Klebsiella pneumoniae | IID 5209 | (ATCC 15380) | |
| 523 | 2 | Morganella morganii | IID 602 | ||
| 524 | 2 | Mycobacterium avium | IID 585 | ||
| 525 | 1 | Mycobacterium bovis | IID 1664 | ||
| 526 | 3 | Mycobacterium tuberculosis | IID 1663 | ||
| 527 | 2 | Mycoplasma pneumoniae | IID 817 | (Mac) | |
| 528 | 2 | Neisseria gonorrhoeae | IID 835 | ||
| 529 | 2 | Neisseria meningitidis | IID 854 | (IP 6764) | Group A |
| 530 | 2 | Neisseria meningitidis | IID 855 | (IP 52142) | Group C |
| 531 | 2 | Proteus vulgaris | IID 874 | (IAM 12003) | |
| 532 | 2 | Pseudomonas aeruginosa | IID 1030 | (PI-III) | lysogenic |
| 533 | 2 | Pseudomonas aeruginosa | IID 1052 | (P15-XII) | Pyocin producer |
| 534 | 2 | Pseudomonas aeruginosa | IID 1051 | (P14) | Pyocin sensitive |
| 535 | 2 | Pseudomonas aeruginosa | IID 1130 | (RLK NC-5) | elastase, protease - |
| 536 | 2 | Pseudomonas aeruginosa | IID 1117 | (KI No. 5) | elastase, protease + |
| 537 | 1 | Pseudomonas fluorescens | IID 5115 | (NCIB 9046) | |
| 538 | 1 | Pseudomonas putida | IID 5121 | (NCIB 8249) | |
| 539 | 2 | Salmonella enterica subsp. enterica serovar Choleraesuis | IID 1682 | (ATCC 13312, NCTC 5735, KM 2919,GIFU 2919) | type |
| 540 | 2 | Salmonella enterica subsp. enterica serovar Enteritidis | IID 604 | (NIHJ G14) | |
| 541 | 3 | Salmonella enterica subsp. enterica serovar Paratyphi-A | IID 605 | (NIHJ PA 41-N-22) | |
| 542 | 2 | Salmonella enterica subsp. enterica serovar Paratyphi-B | IID 607 | (PB 41-H-6) | Salmonella schottmuelleri, |
| 543 | 3 | Salmonella enterica subsp. enterica serovar Typhi | IID 970 | (KI TY2) | Vi antigen +, |
| 544 | 2 | Salmonella enterica subsp. enterica serovar Typhimurium | IID 1000 | (ATCC 13311) | |
| 550 | 2 | Staphylococcus aureus | IID 671 | (209P) | |
| 551 | 2 | Staphylococcus aureus | IID 975 | (SM Cowan I) | protein A producer |
| 552 | 2 | Staphylococcus aureus | IID 980 | (FDA 243) | Enterotoxin producer |
| 553 | 2 | Staphylococcus aureus | IID 1677 | MRSA | |
| 554 | 1 | Staphylococcus epidermidis | IID 866 | (ATCC 12228) | |
| 555 | 1 | Streptococcus agalactiae | IID 1621 | (IEM 58/59) | Group B, type Ia |
| 556 | 1 | Streptococcus agalactiae | IID 1624 | (IEM 60/59) | Group B, type II |
| 557 | 1 | Streptococcus agalactiae | IID 1625 | (IEM 61/59) | Group B, type III |
| 558 | 2 | Streptococcus pneumoniae | IID 553 | (NYSDH DP-2) | type 2 |
| 559 | 2 | Streptococcus pneumoniae | IID 554 | (NYSDH DP-3 5A) | type 3 |
| 560 | 2 | Streptococcus pyogenes | IID 689 | (DHI S8) | Group A |
| 561 | 2 | Streptococcus pyogenes | IID 698 | (RI D58) | streptolysin producer |
| 562 | 2 | Yersinia enterocolitica | IID 981 | (IPH Ye 1606) |