- Czech Root WWW, Liberec
- Czech Republic Information, Praha
- Czech Express Country (Insight Project), Praha
- Czech Republic - Ministry of Education, Praha
- Czech Republic - Ministry of Environment, Praha
- Czech Republic - Ministry of Health, Praha
- Anet - Information from CESNET Customers, Praha
- AutoCont, Ostrava
- BAJT, Praha
- Bohemia net, Praha
- Central Europe Online Navigator, Praha
- Charles University, Praha
- Computer Data, Praha
- CoProSys, Hradec Kralove
- Cybeteria, Praha
- Czech Academy of Sciences, Praha
- Czech Astronomical Society, Praha
- Czech Environmental Institute, Praha
- Czech Geological Survey, Praha
- Czech Society for Cybernetics and Informatics, Praha
- Czech Technical University, Praha
- DCIT, Praha
- EMWAC CZ, Hradec Kralove
- EUnet Czech Republic, Praha
- Hight Schools in Czech Republic, Praha
- Infima, Praha
- Institute for Clinical and Experimental Medicine, Praha
- Institute of Chemical Technology, Praha
- IntelliTech, Praha
- Internet CZ - Commercial Server, Praha
- J. E. Purkyne University, Usti nad Labem
- LAN Projekt, Plzen
- Liberec University of Technology, Liberec
- MA media, Praha
- Masaryk University, Brno
- Mendel University of Agriculture and Forestry, Brno
- Moravia Translations, Brno
- National Information Center of Czech Republic, Praha
- National Library, Praha
- National Medical Library, Praha
- OMICRON, Praha
- Open Media Research Institute, Praha
- Palacky University, Olomouc
- Pro Info, Opava
- PVT, Ceske Budejovice
- Silesian University, Opava
- SkyNet - Commercial Server, Brno
- South Bohemia University, Ceske Budejovice
- SpiNet, Praha
- SPT Telecom, Praha
- State Scientific Library Ceske Budejovice, Ceske Budejovice
- State Technical Library, Praha
- SunSITE Czech Republic, Praha
- Technical University of Brno, Brno
- Tovek, Praha
- University of Economics, Praha
- University of Education, Hradec Kralove
- University of Ostrava, Ostrava
- University of West Bohemia, Plzen
- Virtual Business Plaza, Brno
- VSB-Technical University of Ostrava, Ostrava
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