Mainframe Software Statistics

Largest z/VM Vendors

Top 20 z/VM Vendors (out of a total of 75 active z/VM vendors), ranked by the number of z/VM software products currently marketed

	Vendor	Active	Supported	Inactive	Total
1	IBM	38	16	58	112
2	Rocket Software	34	2	2	38
3	Software AG	20	1	0	21
4	Broadcom	13	33	0	46
5	TPS Systems	11	0	0	11
6	Semantic Designs	8	0	0	8
7	Velocity Software	7	0	0	7
8	SDS	6	0	0	6
9	Attachmate	6	0	1	7
10	Software Product Research	5	0	0	5
11	Select Business Solutions	4	0	0	4
12	Serengeti Systems	4	0	0	4
13	MPI Tech	4	0	0	4
14	Esker	4	0	0	4
15	Redvers Consulting	4	0	0	4
16	Aviva Solutions	4	0	0	4
17	Syspertec Communication	3	0	0	3
18	Barr Systems	3	6	1	10
19	Turbosoft	3	0	0	3
20	Dignus	3	0	0	3