- "Absolut OK" d.o.o., Belgrade
Accession date: 11 October 2007
Delegated representative: Aleksandar Kamenković

- "AgitPROP", Belgrade
Accession date: 18 December 2006
Delegated representative: Lazar Bošković

- "Serbian Business Registers Agency", Belgrade
Accession date: 21 February 2008
Delegated representative: Branislav Dobrosavljević

- "AVcom" d.o.o., Belgrade
Accession date: 20 February 2008
Delegated representative: France Presetnik
- "Beocity" d.o.o., Belgrade
Accession date: 18 December 2006
Delegated representative: Vladimir Čolić
- "Belgrade Open School", Belgrade
Accession date: 18 December 2006
Delegated representative: Tanja Milovanović
- "Beogrid" d.o.o., Bеlgrade
Accession date: 3 March 2008
Delegated representative: Bogoljub Pjеščić
- "BeotelNet ISP" d.o.o., Belgrade
Accession date: 18 December 2006
Delegated representative: Radivoje Milićević
- "Center for Internet Development", Belgrade
Accession date: 18 December 2006
Delegated representative: Slobodan Marković

- "Esteh" d.o.o., Belgrade
Accession date: 18 December 2006
Delegated representative: Goran Opačić

- "School of Electrical Engineering", Belgrade
Accession date: 18 December 2006
Delegated representative: Nenad Krajnović
- "EUnet" d.o.o., Belgrade
Accession date: 18 December 2006
Delegated representative: Jelena Opačić
- "Gama Electronics" d.o.o., Belgrade
Accession date: 16 May 2007
Delegated representative: Zoran Buhavac
- "GESS" d.o.o., Belgrade
Accession date: 28 May 2007
Delegated representative: Vladimir Cvejanović

- "I Net" a.d., Belgrade
Accession date: 18 December 2006
Delegated representative: Vojislav Rodić

- "Informatika" a.d., Belgrade
Accession date: 25 November 2007
Delegated representative: Dragan Cimbaljević
- "IP Plus Studio", Belgrade
Accession date: 3 November 2007
Delegated representative: Ivan Petrović
- "IT Support" d.o.o., Lazarеvac
Accession date: 6 March 2008
Delegated representative: Vеljko Мarković
- "Loopia" d.o.o., Niš
Accession date: 18 December 2006
Delegated representative: Dijana Stanojević
- "Madnet" d.o.o., Pančevo
Accession date: 22 February 2008
Delegated representative: Nenad Orlić
- "Magic" d.o.o., Novi Sad
Accession date: 18 May 2007
Delegated representative: Boris Kecman
- "Mainstream" d.o.o., Beograd
Accession date: 19 February 2008
Delegated representative: Marko Rosić
- "Neobee.net" d.o.o., Novi Sad
Accession date: 18 December 2006
Delegated representative: Gordana Stevanović
- "Ninet" d.o.o., Niš
Accession date: 22 February 2008
Delegated representative: Strahinja Stanković
- "Privredna komora Srbije", Belgrade
Accession date: 25 December 2008
Delegated representative: Snežana Božić Malešević
- "National Information Technology and Internet Agency"
Accession date: 20 February 2008
Delegated representative: Marko Mandić
- "Specihost Networks", Belgrade
Accession date: 27 June 2007
Delegated representative: Goran Aleksić
- "StanCo" d.o.o., Petrovac
Accession date: 18 December 2006
Delegated representative: Staniša Josić
- "Telekom Srbija" a.d., Belgrade
Accession date: 27 September 2007
Delegated representative: Goran Nastić
- "Verat" d.o.o., Belgrade
Accession date: 8 November 2007
Delegated representative: Branko Veljković
- "YUBC System" d.o.o., Belgrade
Accession date: 18 December 2006
Delegated representative: Simo Ivaneža
- "Key IT" d.o.o., Beograd
Accession date: 02 December 2008
Delegated representative: Radovan Ostojić
- "Institute Mihajlo Pupin" d.o.o., Beograd
Accession date: 19 February 2009
Delegated representative: Mario Belamarić
- "Quad" d.o.o., Beograd
Accession date: 25 February 2009
Delegated representative: Aleksandar Jošić
- "Belit" d.o.o., Beograd
Accession date: 25 February 2009
Delegated representative: Vojkan Vasković
- Jugodata d.o.o, Beograd
Accession date: 14 April 2009
Delegated representative: Danko Jevtović
- "KONEKT" d.o.o., Smederevo
Accession date: 15. June 2009
Delegated representative: Srđan Stojković
- "Agencija E-trgovina", Novi Sad
Accession date: 15. June 2009
Delegated representative: Nebojša Đurić
- "Perke.net Agency", Belgrade
Accession date: 17 November 2009
Delegated representative: Zoran Perović
- "Fond za razvoj osiguranja", Novi Sad
Accession date: 31 December 2009
Delegated representative: Artur Demek
- "Panet" d.o.o. Pančevo
Accession date: 03 April 2010.
Delegated representative: Dušan Pančevac

- "Banker" d.o.o., Niš
Accession date: 13 April 2010
Delegated representative: Miroslav Mičić
- "SJU JUGOSLOVENSKI PREGLED", Belgrade
Accession date: 14 April 2010
Delegated representative: Ile Kovačević

- Faculty of Low, University of Belgrade, Belgrade
Accession date: 20 May 2010
Delegated representative: Dušan Popović

- Coming - Computer Engineering d.o.o, Belgrade
Accession date: 26. August 2010
Delegated representative: Drago Samardžić
