Mainframe Software Statistics

Largest mainframe Vendors

Top 20 mainframe Vendors (out of a total of 285 active mainframe vendors), ranked by the number of mainframe software products currently marketed

Vendor Active Supported Inactive Total
1IBM28198253632
2Broadcom921423237
3Rocket Software76101096
4BMC664562173
5ASG Software Solutions6419386
6MacKinney Systems491555
7Software AG445251
8UNICOM Systems380341
9GSF Software300030
10SDS300131
11CSI International301031
12Innovation Data Processing231024
13Levi, Ray & Shoup202022
14Software Engineering of America200121
15ASPG180018
16CDB Software160016
17Micro Focus162523
1821st Century Software150015
19Precisely1512027
20Tone Software140014