Mainframe Vendor List

(Vendor is currently operating)

Vendor
(open source)
21st Century Software
4.ST
4bears Technologies
Ab Initio Software Corporation
ABA
Accenture
ACI Payment Systems
Actian Corporation
Action Software
ADPAC Corporation
Advanced Software Technologies Company
AES
Alebra Technologies
Algorinet
American Software
Anchor Software
AnSyNova
Anubex
Applied Computing Technology
Applied Software
APS ENTERprise
ARCH Consulting Associates
Arney Computer Systems
Artubus Software
Ascert
ASE
ASG Software Solutions
ASPG
Astrom Software
Attachmate
Attunity
Aviva Solutions
Axios Products
Axway
B.O.S. Software Service
Banknet Technologies
Barnard Software
Barr Systems
Beta Systems
BITS Software
Blackhill Software
Blue Phoenix
BMC
Brocade Communications Systems
bTrade
Bull SAS
C-Cubed
CA Technologies
Can Do Systems
Capitalware
Cardinal Software
Cartagena Software
CASI
CBL
Century Software
cfSoftware
Chicago-Soft
Cincom Systems Inc
Circle Software
Cisco Systems
CLEO Communications
Cloud Compiling
Codemist
Colesoft Marketing
Compaq
Comporsys
Compuware
CONIX Systems
CONNX Solutions
CorreLog
CPMG
CQ Communication Software
Critical Path
Critical Path Software
CSC
CSI International
Cue-Metamon
Cybele Software
Dassault Systemes
Data Access
Data Center Management Systems
Data Interchange
Data Processing Techniques
Data21
DataKinetics
DBE Software
DDV Technologies
Dell Computer Corporation
Delta Software Technology
Dialogic
Dignus
Dillon Kane Group
Dino-Software
Direct Computer Resources
DN-Computing
Dovetailed Technologies
DSI Document Systems
DTS Software
Dun & Bradstreet
E-JCL
E-Net Corporation
Eastman Kodak
Eberhard Klemens Co
Eccox Technology
Edge Information Group
EMC
Enterprise Performance Strategies
Enterprise Research
EPV Technologies
Ericom Software
Esker
ETI-NET
EView Technology
EZ Legacy
EZSource
FICO
FINEOS
FircoSoft
First Data
FIS
Flynet
Foundation Software
Fujitsu
Fujitsu Technology Services
Fundamental Software
Fundi Software
Gary Bergman Associates
GazillaByte
GFS Software
Global Software
Goldis Consulting Services
Grid-Tools
GSF Software
GT Software
GXS
H&M System Software
H&W Computer Systems
Hitachi ID Systems
HOB electronic
HORIZONT
HostBridge Technology
HOSTSYSTEMS
HP
HTWC
Hybrid Systems
I/S Management Strategies
IBM
IdentityForge
IIS
illustro Systems International
Imperva
IN-COM Data Systems
Infogix
Infor Global Solutions
Informatica
Information Builders
Information Technology Systems
InfoSec
Infotel
Innovation Data Processing
Inside Products
InSoft Software
Inspect-CPU Systems
Integrated Print Solutions
Intel
IntelliMagic
Intellinx
Interchip
International Consulting and Education
International Software Company
International Software Products
Inventu
Ironwood Software
ISIS Papyrus
Jacada
Janus Associates
Jolly Giant Software Inc
K.K. Paradox
Kalinda Software
Keystone Computer Associates
LaBayne and Associates
Langton Software
Lattwein
LegacyJ
Levi, Ray & Shoup
Log-On Software
Lognet Systems
MacKinney Systems
Macro 4
Makware
Mantissa Corporation
Matter of Fact Software
McAfee
McKesson
Merrill Consultants
Metaswitch Networks
Micro Focus
Microsoft
Mochasoft
Morgan Stanley
MOST Technologies
MPI Tech
Nastel
Nearstar
NEON Enterprise Software
Netron
New Era of Networks
NewEra Software
Nexus Integration
North Ridge Software
Notable Solutions
ObjEx
OC Systems
Open Software Technologies
OpenText Connectivity Solutions
OpenText Corporation
Oracle
Osys
PACE Applied Technology
Pacific Systems Group
PathPoint Software
Pegasystems
PerfTechPro
Phoenix Software International
Pi-Systemprogrammierungs
PIR Group
Pitney Bowes
PKWARE
Prime Factors
Prince Software
Prism Data Services
Pristine Software
Progress Software
Prycroft Six
QMSI - Quintessential Mailing Software Incorporated
racfra2.com
Raincode
Redvers Consulting
Relational Architects International
Responsive Systems
RJM Systems
Rocket Software
Rosebud Management Systems
RSD
RSM Enterprise Solutions
Salem Software
SAP
SAS Institute
SDI
SDS
SecureAgent Software
Select Business Solutions
Semantic Designs
Serena Software Inc
Serengeti Systems
ServicePilot Technologies
Shai Hess
Silver Bay Technologies
SMA Solutions
SOA Software
SoftBase
Software AG
Software Design Associates
Software Engineering of America
Software Product Research
Software Pursuits
Sopra Banking Software
Sopra Group
Sound Software Printing
SQData
SSH Communications Security
Standardware
StarQuest Ventures
STITech
SumTotal Systems
Syncsort
Syspertec Communication
Systemware
Syzygy
T-Systems
T3 Technologies
Tachyon Software
Targetfour
Tata Consultancy Services
TBS Software
TechStar International
Temenos
TeraDact Solutions
Teradata
The Frederick Group
The Innovation Group
Thigpen Enterprises
TIBCO
Time Machine Software
TmaxSoft
Tom Brennan Software
Tomium Software
Tone Software
Townsend Security
TPS Systems
Trax Softworks
Triangle Systems
Trident Services
Turbosoft
Type80 Security Software
Ubiquity
UBS Hainer
UNICOM Systems
Unisys
Universal Software
Vanguard
VASCO Data Security International
Velocity Software
Ventyx
VisionComm Software and Services
Voltage Security
Watson & Walker
World Programming
World Solutions
Xbridge Systems
Xenos Group
Xerox
XPS Software
zCost Management
Zementis