Mainframe Software Statistics

Largest mainframe Vendors

Top 20 mainframe Vendors (out of a total of 286 active mainframe vendors), ranked by the number of mainframe software products currently marketed

	Vendor	Active	Supported	Inactive	Total
1	IBM	281	98	253	632
2	Broadcom	92	142	3	237
3	Rocket Software	76	10	10	96
4	BMC	68	43	62	173
5	ASG Software Solutions	64	19	3	86
6	MacKinney Systems	49	1	5	55
7	Software AG	44	5	2	51
8	UNICOM Systems	38	0	3	41
9	GSF Software	30	0	0	30
10	SDS	30	0	1	31
11	CSI International	30	1	0	31
12	Innovation Data Processing	23	1	0	24
13	Software Engineering of America	20	0	1	21
14	Levi, Ray & Shoup	20	2	0	22
15	ASPG	18	0	0	18
16	CDB Software	16	0	0	16
17	Micro Focus	16	2	5	23
18	21st Century Software	15	0	0	15
19	Precisely	15	10	0	25
20	Tone Software	14	0	0	14