Groups O
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O

Name Country City
1 o.c.a.
2 O.E. LtdUnited Kingdom
3 O.I.C. LtdUnited Kingdom
4 O.Sheen SoftwareUnited Kingdom
5 Oasis SoftwareUnited Kingdom
6 Oberon
7 Oberon GroupUkraineOdessa
8 Oberon GroupUkraine
9 Ocean Software LtdAtari IncUnited Kingdom
10 Ocean-Imagine HellasGreece
11 OCTA SoftHungary
12 Octopus SoftwareUnited Kingdom
13 odessamic
14 Odin
15 Odin Computer Graphics LtdPaul McKenna
16 Odin Computer Graphics Ltd
17 Odisea SoftwareSpain
18 Odyssey ComputingUnited Kingdom
19 Ofites InformaticaSpain
20 Okoloko Engineering SoftwareS. OkolokuUnited States
21 Old English SoftwareR. BingleUnited Kingdom
22 Oldrich PalenicekCzech Republic
23 OldsoftZdenek StaryCzech Republic
24 Oleg N. CherUkraine
25 Oleg Origin
26 Oleg OursoftRussia
27 Oleg Ziberov
28 olly_bfox
29 OLSoft CompanyRussiaUfa
30 Olympic SoftwareUnited Kingdom
31 Omega
32 Omega GamesUnited Kingdom
33 Omega GroupRussiaSt.Petersburg
34 Omega Hackers ClubRussiaChelyabinsk
35 Omega Hackers GroupRussiaRostov-on-Don
36 Omega Hackers GroupRussia
37 Omega HC
38 Omega HG
39 Omega Ltd
40 Omega Software [1]Cambridge Research
41 Omega Software [2]United Kingdom
42 Omega Software [3]Ireland
43 Omega Software GFXJan Palenicek
44 Omega Software Gfx
45 Omega Software Ltdmissing
46 Omega-Soft [1]United Kingdom
47 Omega-Soft [2]Germany
48 Omen Group
49 Omen SoftwareWordlight Ltd
50 Omicron ProjectsSpain
51 Omikron
52 Omikron SoftwareCzech Republic
53 Omikron Software [1]Claus JahnGermany
54 Omikron Software [2]Czech Republic
55 Omikron-SoftwareGermany
56 OMK
57 OMK Software S.L.Spain
58 Omni SoftwareUnited Kingdom
59 OmnisoftUnited Kingdom
60 Omycron
61 Omycron SoftwarePortugal
62 ON6LJ SoftwareUnited Kingdom
63 One Week ProductionsUnited Kingdom
64 Oni RecordsUnited Kingdom
65 Online PLCUnited Kingdom
66 Online PLC
67 Onspec SoftwareUnited Kingdom
68 OOPSRussiaOdintsovo
69 OpalSoftUnited Kingdom
70 Opera
71 Opera SoftSpain
72 Opera Soft S.A.Spain
73 Optical Bros.
74 Optical BrothersBelarusMinsk
75 Optical BrothersBelarus
76 Optical IllusionsUnited Kingdom
77 Optimal GroupRussia
78 Optimal GroupRussia
79 Optimus SoftwareUnited Kingdom
80 Options InternationalUnited Kingdom
81 Orange EnterprizesUnited Kingdom
82 Orange SoftwareUnited Kingdom
83 Orbis Publishing LtdUnited Kingdom
84 Organizm
85 Origin Systems IncUnited States
86 Original Computer AssociationRussia
87 Original Computer's Association
88 Original Computers AssociatonRussia
89 Original SoftItaly
90 Orijon SoftwareGermany
91 Orin SoftCzech Republic
92 Orion [1]Illusion DreamsRussia
93 Orion [2]Poland
94 Orion [3]Portugal
95 Orion Data LtdUnited Kingdom
96 Orion GroupRussiaKrasnouralsk
97 ORION SOFTWARERussiaPerm
98 Orion Software [1]United Kingdom
99 Orion Software [2]Czech Republic
100 Orion Software [ru]
101 Orion Software Group
102 OrionsoftSpain
103 Orpheus LtdUnited Kingdom
104 Orwin SoftwareMichael Orwin
105 Oscar & Spilberg
106 Oscar & Spilberg
107 Oscar SoftSpain
108 Oscar SystemsUnited Kingdom
109 osh GroupRussia
110 OSM Co LtdBelarusMinsk
111 OSSoftUnited Kingdom
112 Outland CorpOutland CorporationMoldovaChișinău
113 Outland CorporationMoldovaChișinău
114 OutlawPalace Video Group
115 OutletUnited Kingdom
116 Outletmissing
117 Outsiders
118 Outsiders (ZX)
119 Overfile SoftwareRussiaKirov
120 OverPower SoftRussiaSarapul
121 Oversun FrendshipRussiaSeverodvinsk
122 ovich
123 Oxbridge Technology LtdUnited Kingdom
124 Oxford Computer Publications Ltd
125 Oxford Computer PublishingUnited Kingdom
126 Oxford Computer PublishingOxford Computer Publications Ltd
127 Oxford Computer SystemsUnited Kingdom
128 Oxford Digital Enterprises
129 Oxford Digital EnterprisesEmpire Interactive
130 Oxford MobiusNigel LeaUnited Kingdom
131 Oxford Software GroupUnited Kingdom
132 Oxford TechnologiesUnited Kingdom
133 Oxford TechnologiesUnited Kingdom
134 Oxygen SoftwareUnited Kingdom
135 Oz SoftwareUnited Kingdom
136 Ozero LtdRussiaNovosibirsk
137 О "Октябрь"
138 Орион