| Acronym | WDCM Number | Collection | Region |
|---|---|---|---|
| ABIR | WDCM 1250 | Acinetobacter Baumannii Isolates of Rasooli | Asia |
| ABKMI | WDCM 698 | Department of Applied Biology, Faculty of science | Asia |
| ABRC | WDCM 912 | Anaerobic Bacterial Resource Centre | Asia |
| ABRIICC | WDCM 843 | ABRIICC Agricultural Biotechnology Research Institute of Iran Culture collection | Asia |
| ACA-DC | WDCM 609 | Agricultural College of Athens-Dairy Collection | Europe |
| ACAM | WDCM 571 | The Australian Collection of Antarctic Microorganisms | Oceania |
| ACBR | WDCM 839 | Austrian Center of Biological Resources and Applied Mycology | Europe |
| ACC | WDCM 1112 | ABRII culture collection | Asia |
| ACCC | WDCM 572 | Agricultural Culture Collection of China | Asia |
| ACCEGEN | WDCM 1249 | AcceGen Biotechnology | America |
| ACCS | WDCM 936 | Algae Culture Collection of Siberia | Europe |
| ACH | WDCM 47 | Mycology Culture Collection | Oceania |
| ACKU | WDCM 994 | Culture Collection of Algae at Kyiv University | Europe |
| ACOI | WDCM 906 | Algoteca de Coimbra / Coimbra Collection of Algae | Europe |
| ACSSI | WDCM 1132 | Algal Collection of Soil Science Institute | Europe |
| ACTINOCC | WDCM 952 | Ege University Actinomycetes Culture Collection | Europe |
| ACUF | WDCM 1074 | Algal collection at the University "Federico II" | Europe |
| ACUS | WDCM 965 | Algal Collection of Sofia University | Europe |
| AGO | WDCM 887 | Arocrete Group Co., | Asia |
| AHLDA | WDCM 334 | Animal Health Division Culture Collection | Oceania |
| AHNU | WDCM 1174 | Strains Collection of Affiliated Hospital of Nantong University, China | Asia |
| AHU | WDCM 635 | AHU Culture Collection | Asia |
| AHVLA | WDCM 1017 | Animal Health and Veterinary Laboratories Agency | Europe |
| ALEC | WDCM 1218 | Algal Excellent Center | Asia |
| ALGOBANK | WDCM 796 | ALGOBANK-Caen | Europe |
| ALIRU | WDCM 622 | Australian Legume Inoculants Research Unit | Oceania |
| AMCB | WDCM 1046 | Aloha Medicinals Culture Bank | America |
| AMMRL | WDCM 42 | Australian National Reference Laboratory in Medical Mycology | Oceania |
| ANACC | WDCM 532 | Australian National Algae Culture Collection | Oceania |
| APSPC | WDCM 1157 | Oilseeds Research & Development Compnay (ORDC) | Asia |
| ARC | WDCM 1096 | Algal Resources Collection | America |
| ARSEF | WDCM 112 | ARS Collection of Entomopathogenic Fungi | America |
| ASIB | WDCM 505 | Algensammlung am Institut fur Botanik | Europe |
| ATCC | WDCM 1 | American Type Culture Collection | America |
| ATHUB | WDCM 1094 | Athens University Culture Collection of Bacteria and Archaea | Europe |
| ATHUM | WDCM 650 | ATHens University Mycetotheca - Culture Collection of Fungi | Europe |
| ATU | WDCM 636 | Dept.of Biotechnology University of Tokyo | Asia |
| AWRI MCC | WDCM 22 | AWRI Microorganism Culture Collection | Oceania |
| AYL | WDCM 934 | WHYLABS RESOURCE CENTRE FOR MICROORGANISMS | Asia |