O

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