- @CULT
- Access-It Software Ltd
- Alist
- Archimed
- aStec
- Aurora Information Technology
- AutoGraphics
- Baratz / Absys
- Bookhouse Culture & Science Tech Corp
- BSZ
- ByWater (US Koha)
- Capita / Prism (old Talis ILS)
- Catalyst IT
- Civica Pt Limited
- Concord Australia
- Deep Web Technologies
- EOS
- eReserve
- ExLibris
- FOLIO
- Fujitsu
- Futurenuri Inc.
- GBV Gemeinsamer Bibliotheksverbund
- Hyweb
- INEK Inc.
- Infor
- Innovative Interfaces
- Interleaf (Koha)
- IS Oxford Ltd (Heritage)
- Janium
- Jiangsu Huiwen Software
- Knowledge E DMCC
- L.A Information Technology Inc.
- Kyocera Communications Systems
- Max Elektronik (Sygnity / Prolib)
- Mirtech Inc.
- Monguz
- OCLC
- Primasoft Informatica Ltda (SophiA)
- Prosentient Systems (Koha)
- PTFS Europe
- Scanbit
- Shou Yang Digital Technology Co., Ltd
- SIABI
- SIGAA
- SirsiDynix
- Softlink International Ltd
- Soutron Limited
- TechKnowledge FZ LLC
- Tind
- TLC The Library Corporation
- UNIBIS d.o.o
- Yordam