O

Name Country City
1 O-SetRussiaGatchina
2 O.C.AsimbolsRussiaChaykovskiy
3 O.E. LtdUnited Kingdom
4 O.I.C. LtdUnited Kingdom
5 O.Sheen SoftwareUnited Kingdom
6 Oasis SoftwareUnited Kingdom
7 Oberon GroupUkraineOdessa
8 Ocean Software LtdAtari IncUnited Kingdom
9 Ocean-Imagine HellasGreece
10 OCTA SoftHungary
11 Octopus SoftwareUnited Kingdom
12 odessamic
13 Odin
14 Odin Computer Graphics LtdUnited Kingdom
15 Odisea SoftwareSpain
16 Odyssey ComputingUnited Kingdom
17 OffenceNorway
18 Ofites InformaticaSpain
19 Okoloko Engineering SoftwareUnited States
20 Oktogonia
21 Old English SoftwareUnited Kingdom
22 Oldrich PalenicekCzech Republic
23 OldsoftCzech Republic
24 Oleg OursoftRussia
25 OLSoft CompanyRussiaUfa
26 Olympic SoftwareUnited Kingdom
27 OmegaCzech Republic
28 Omega GamesUnited Kingdom
29 Omega GroupRussiaSt.Petersburg
30 Omega Hackers ClubRussiaChelyabinsk
31 Omega Hackers GroupRussiaRostov-on-Don
32 Omega Ltd
33 Omega SoftwareIreland
34 Omega SoftwareUnited Kingdom
35 Omega SoftwareCambridge Research
36 Omega Software GFXCzech Republic
37 Omega Software Ltd
38 Omega-SoftGermany
39 Omega-SoftUnited Kingdom
40 Omen Group
41 Omen SoftwareWordlight Ltd
42 Omicron ProjectsSpain
43 Omikron SoftwareCzech Republic
44 Omikron SoftwareGermany
45 OMK Software S.L.Spain
46 Omni SoftwareUnited Kingdom
47 OmnisoftUnited Kingdom
48 Omycron SoftwarePortugal
49 ON6LJ SoftwareUnited Kingdom
50 One Week ProductionsUnited Kingdom
51 Oni RecordsUnited Kingdom
52 Online PLCUnited Kingdom
53 ONOsoftCzech Republic
54 Onspec SoftwareUnited Kingdom
55 OOPSRussiaOdintsovo
56 OpalSoftUnited Kingdom
57 Opera Soft S.A.Spain
58 Optical BrothersBelarusMinsk
59 Optical IllusionsUnited Kingdom
60 Optimal GroupRussia
61 Optimus SoftwareUnited Kingdom
62 Options InternationalUnited Kingdom
63 Orange EnterprizesUnited Kingdom
64 Orange SoftwareUnited Kingdom
65 Orbis Publishing LtdUnited Kingdom
66 Origin Systems IncUnited States
67 Original Computers AssociationsimbolsRussiaChaykovskiy
68 Original SoftItaly
69 Orijon SoftwareGermany
70 Orin SoftCzech Republic
71 OrionPortugal
72 OrionPoland
73 OrionRussiaKrasnouralsk
74 Orion Data LtdUnited Kingdom
75 ORION GroupUkraineDonetsk
76 Orion GroupRussiaChelyabinsk
77 Orion OstravaCzech Republic
78 Orion SoftwareCzech Republic
79 Orion SoftwareUnited Kingdom
80 ORION SOFTWARERussiaPerm
81 Orion Software GroupRussiaAndreapol
82 Orion Software GroupIllusion DreamsRussiaYoshkar-Ola
83 OrionsoftSpain
84 Orpheus LtdUnited Kingdom
85 Orwin SoftwareUnited Kingdom
86 Oscar & Spilberg
87 Oscar SoftSpain
88 Oscar SystemsUnited Kingdom
89 osh GroupRussia
90 OSM Co LtdBelarusMinsk
91 OSSoftUnited Kingdom
92 OtaSoftCzech Republic
93 Outland CorporationMoldovaChișinău
94 OutlawPalace Video GroupUnited Kingdom
95 OutletUnited Kingdom
96 Outsiders
97 Overfile SoftwareRussiaKirov
98 OverPower SoftRussiaSarapul
99 Oversun FrendshipRussiaSeverodvinsk
100 ovich
101 Oxbridge Technology LtdUnited Kingdom
102 Oxford Computer Publications LtdUnited Kingdom
103 Oxford Computer PublishingOxford Computer Publications LtdUnited Kingdom
104 Oxford Computer SystemsUnited Kingdom
105 Oxford Digital EnterprisesEmpire Interactive
106 Oxford MobiusNigel LeaUnited Kingdom
107 Oxford Software GroupUnited Kingdom
108 Oxford TechnologiesUnited Kingdom
109 Oxygen SoftwareUnited Kingdom
110 Oz SoftwareUnited Kingdom
111 Ozero LtdRussiaNovosibirsk
112 Ozzyos SoftwareCzech Republic
113 Орион