Z

	Name		Country	City
1	Z Cobra	Zafiro Software Division	Spain
2	Z-Club		Russia	Rostov-on-Don
3	Z-Factor		Russia	Moscow
4	Z-Group		Belarus	Grodno
5	Z-Team Association Inc		Ukraine	Odesa
6	Z-Zero Systems		Russia
7	Z80 Pros		United Kingdom
8	Zaeon Computronics		United Kingdom
9	Zaffa Research Ltd
10	Zafi Chip	Zafiro Software Division	Spain
11	Zafiro Software Division		Spain
12	Zaklady Mechaniczne "Ursus"		Poland
13	Zankle Soft		Italy
14	Zapacsoft
15	Zarsoft		Portugal
16	Zdeno & Peter
17	Zdensoft		Slovakia
18	Zebra Systems Inc		United States
19	ZedXtra Software		United Kingdom
20	Zeit Corporation		United Kingdom
21	Zeitnot Team		Russia	Vladivostok
22	Zen Software		United Kingdom
23	Zenobi Software		United Kingdom
24	Zeppelin Games Ltd	Eutechnyx
25	Zeppelin Premier	Eutechnyx
26	Zer0 International Association		United Kingdom	Vilnius
27	Zero International Association		Lithuania
28	ZeroTeam		Slovakia	Trenčín
29	Zeus Software		Spain
30	Zigurat Software	Zigurat Software S.L.	Spain
31	Zigurat Software S.L.		Spain
32	Zipprint
33	Zircon Software		United Kingdom
34	ZK System		Russia
35	ZK-soft		Czech Republic
36	Zodiac Software		United Kingdom
37	Zoetway Computer Music		Netherlands
38	Zombusters Crew		Russia	Arzamas
39	ZOO		Poland
40	Zoo Soft		Hungary
41	ZOSYA entertainment		Russia	St.Petersburg
42	ZOTK		Slovakia
43	ZozoSoft
44	Zuniga Software		Spain
45	Zunk Custom Electronics		United States
46	ZX		Spain
47	ZX Computing
48	ZX Haley		Czech Republic
49	ZX Incorporated		United Kingdom
50	ZX Machine Code Users Club		United Kingdom
51	ZX Maniacs
52	ZX Online		Russia
53	ZX Power		Ukraine
54	ZX Revista
55	ZX SAS (Serious Application Software)		United Kingdom
56	ZX Soft	missing
57	ZX User Club		Italy
58	ZX-Best Hackers Group	Destruction Team	Russia	Kamensk-uralskiy
59	ZX-Guaranteed		United Kingdom
60	ZX-Legion		Belarus	Minsk
61	ZX-Maniacs		Russia	Kaluga
62	ZX-Masters		Russia	St.Petersburg
63	ZX-Power		Denmark
64	ZX-Real		Russia	Ulyanovsk
65	ZX-SOFT	ZX-SOFT Brasil Ltda	Brazil	São Paulo
66	ZX-SOFT Brasil Ltda		Brazil	São Paulo
67	ZX-Software		Germany
68	ZX-Studio		Russia
69	ZXAMAZE
70	ZXBITLES		Russia	Volzhskiy
71	ZXF		United Kingdom
72	ZXIF		United Kingdom
73	ZXPro		Russia	Tula
74	ZYX Software		Russia	Yekaterinburg
75	Zyxoft		Czech Republic