Synergistic Online Solutions
- Provides various AS/400 solutions including managed hosting, hardware maintenance, and disaster recovery across north America.
- http://www.synergisticonline.com/

Infinite Blue
- System integrator integrating hardware, software and consulting, specializing in IBM mainframes. Home page lists IBM, Linux, Java and other industry News; a software product is also featured.
- http://www.infinite-blue.com

Hi-Tech Solutions
- HTS offers consulting services, contract consulting and Staff augmentation. Provides mainframe consulting services and application development.
- http://www.htsconsulting.com/

K.C.Software, LLC
- Information Technology consulting firm, specializing in IBM mainframe systems software support, enterprise server technology, and mainframe connectivity to other Client/Server and e-business platforms.
- http://www.kc-software.com/

Remote DBA Experts
- Offers remote database management support. 24/7 support of database environments and operating systems in place of or in addition to client resources.
- http://www.remotedbaexperts.com/

JML Mainframe Consulting
- Specializes in Mainframe Technical Consulting Support and Services for z/OS, OS/390, ROSCOE, CICS, DB2, ISV products, DASD, JCL, VSAM, COBOL, and Operation Support utilizing Mainframe technology.
- http://www.jmlmainframe.com/

EDS Managed Mainframe Services
- EDS’ managed mainframe services provide you with a spectrum of mainframe IT solutions for the IBM z/series platform in a data center environment. Includes managed services and IT mainframe outsourcing.
- http://www.eds.com/services/managedmainframe/

MSI: Mainframe Services
- MSI provides z/Series hotsite and hardware maintenance and upgrade services.
- http://www.mainframeservices.com/

Xephon
- A technical and market research organization focused on the computing needs of organizations with IBM mainframes. Provides technical journals and reports for both management and support staff.
- http://www.xephonusa.com/

RSS Consulting
- Canadian consulting firm specializing in mainframe application and systems programming.
- http://web.ncf.ca/ds966/index.htm

IBM: Business Continuity and Recovery Services (BCRS)
- IBM Global Services Consulting: Business Continuity and Recovery Services for IBM Mainframe (z/Series) and open systems environments.
- http://www-935.ibm.com/services/us/index.wss/itservice/bcrs/a1000411/

Software Asset Management (SAM)
- Mainframe software asset management (SAM) and software asset optimization for both IBM and non-IBM software.
- http://www.isamgroup.com/

Watermark Learning
- Provides training and mentoring, mostly in computing topics; course materials are also available for use by a client's own instructors. Mainframe courses are available.
- http://www.watermarklearning.com/

Techknowledge Training
- Headquartered in Maryland, with z/OS-based scheduled public mainframe courses in U.S. cities.
- http://www.techknowledge.com/courses/

IBM Learning Services
- Gateway to IBM computing and professional training. Select country/region and subject area, including many mainframe choices. Both classroom and self-study.
- http://www.ibm.com/products/finder/us/finders?pg=trfinder

Lakeview Technology
- Information Availability Institute provides both generic and DB2-specific availability skills training.
- http://www.mimix.com/

XTel Inc.
- Mainframe Systems Programming and Application Development, specializing in OPC and Tivoli Service Desk.
- http://home.comcast.net/~xtelinc/MyHTML/HomePage.htm

Novelya Limited
- An I.B.M. business partner functioning as a software distributor, consulting services and technical training/education provider. Services include z/OS, DB2, and Data Security.
- http://novelya.com/

Software Solutions and Services
- Israeli Mainframe Services providing Enterprise Solutions that exploit existing legacy systems.
- http://log-on.com/

ProTech Professional Technical Services, Inc.
- An Information Technology Education and Services firm specializing in z/OS Mainframe, Enterprise UNIX, Linux, and open-standards technologies.
- http://www.protechtraining.com/

ICU IT Services
- European specialist in z/OS-based platforms, including integration with Unix, Linux and Windows NT.
- http://www.icu-it.nl/

QSGI - Technology Services
- Providers of Enterprise-Class Hardware and Maintenance, Data Destruction and Compliance Services. An IT asset management concern featuring refurbished IBM mainframes, midrange processors and peripheral equipment and related maintenance services.
- http://www.qsgi.com/

ABIS Training and Consulting
- Mainframe training and consulting in French, Dutch and English. With offices in Belgium and the Netherlands.
- http://www.abis.be/

Isham Research
- An industry analyst and consultancy serving users and vendors of corporate IT.
- http://www.isham-research.co.uk/ibm.html

Recovery Specialties, LLC
- A provider of consulting and planning services for enterprise storage solutions, advanced recovery, business continuity and disaster recovery mainframe z/Series and large systems environments.
- http://recoveryspecialties.com/

Wolfe Systems Programming Aptitude Test (SPAT)
- The 1973 test written by Dr. Jack M. Wolfe, to determine how well suited (aptitude) an individual is to Mainframe Technical Support (Systems Programming); it does not test knowledge. Currently available, along with many other tests, from Walden Personne
- http://www.waldentesting.com/backup/index.html

ITC: Information Technology Company, LLC
- IBM Advanced Business Partner that provides all-inclusive mainframe-based solutions, including hardware, software, planning, customization, training and support.
- http://www.p390.com/

System Sotware Consultant
- Mainframe system software consulting and training - z/OS, CICS, IMS and WebSphere.
- http://www.shorkend.com/

Competency Measurement and Training
- Competency based learning and assessment system to measure skills and knowledge of IT Support personnel.
- http://www.eclas-assess.com/

Enterprise Builders Support Systems
- Consulting services and training for BMC Software's CONTROL-M, CONTROL-D, and other mainframe IOA products.
- http://www.enterprise-builders.com/

Systems & Network Training
- Technical, instructor led training. Courses in the following main areas: Data communications and networking, Telecommunications, Security, UNIX systems, Microsoft systems and programming.
- http://www.snt.co.uk/

Reliable Computer Sales
- A Chicago-area company offering new and used IBM mainframes, Flex-ES mainframe systems, upgrades, peripherals and services, including backup and disaster recovery.
- http://www.reliablecomputer.com/

Star Group
- An affiliated group of IBM Business Partners providing DB2, CICS TS, IMS, MQ and Tivoli product seminars, education, and customized migration and installation plans for version to version installations.
- http://www.mardon-y2k.com/

IBMMainframeTraining.com
- IBM mainframe training reviews, software development, placement and recruiting services in India.
- http://www.ibmmainframetraining.com/

Mainframe Market Information Service
- MMIS is Barry Graham's mainframe hardware and software negotiation consulting practise, including the periodicals Mainframe Market Monitor, Mainframe Market Bulletin and Enterprise Data Center.
- http://www.arcati.com/mmis.html

DataBase Consulting Services (DBCS)
- PeopleSoft consulting, performance tuning and education. Specializing in z/OS DB2 implementations of PeopleSoft software.
- http://www.db-consulting.com/

Corporate Communications Interactive
- CCI bundles nearly 40 mostly-z/OS courses, offering them through distributors, inexpensively on CD-ROM or Web-based.
- http://www.cci-eschool.com/pages/products/e_os390/e_os390.asp

Hitachi Data Systems: Education
- HDS offers both vendor-neutral and HDS-specific education worldwide, much of it relevant to their mainframe storage and software products.
- http://www.hds.com/products_services/education/

Schunk IT Consulting
- z/OS and mainframe hardware data centre management and systems programming. Packaged services include System Sanity Check, Quantitative Statistical Decision Analysis (QSDA), Joint Application Design (JAD) and WLM Conversion.
- http://www.schunk-associates.com/

Compustar Data Systems
- z/OS Systems Programmers, Joanna Gordon and Mark Conner, provide consulting services from Dallas, Texas.
- http://systemprogrammer.com/

M/UX
- Offers the complete Spectrum of IBM Certified Training, across the entire US.
- http://www.mux-ed.com/

ECHO Associates
- Based in Vienna, Virginia, specializing in TPF (Transaction Processing Facility) consulting.
- http://www.callecho.com/

Intracoastal Software Consulting
- Configuration management specialists for CA-Endevor offering consulting services, training and software to implement their methodology.
- http://www.intracoastal.com/

Performance Associates (PAI)
- Provides education, consulting and PAI/O Driver software to assist in acquiring and managing storage subsystems in a z/OS environment.
- http://www.perfassoc.com/

Discovery Video Instruction Products (VIP)
- CD-ROM-based training containing 36 mainframe OS/390 courses. Includes one z/VM course.
- http://www.discoveryvip.com/Courseware/OS390.htm

Jeff Markiewicz & Associates
- z/OS-based and related on-site and custom classroom courses plus consulting services.
- http://www.jmarked.com/

Circle Computer Group, LLC
- U.S. training, consulting and software education in Application development, z/OS, WebSphere, Networks and MQSeries.
- http://www.circle-us.com/

Verhoef Training
- U.S. site with links to Verhoef's UK and South African site. z/OS-based mainframe education includes public classroom courses, on-site training and user group courses and seminars.
- http://www.verhoef.com/

Ajilon Learning
- Technical computing training, including VSE, z/OS Unix System Services, and both IBM and non-IBM mainframe systems software. Computer-based training, competency assessment and classroom courses.
- http://www.ajilonlearning.com/

Cobbs Mill Consulting
- z/OS, z/VM and VSE systems programming, training and Assembler. Specialists in Phoenix's Key/Master data entry system. Based in Asheville, North Carolina.
- http://www.cobbsmill.com/

Marist College Learning Center
- Internet-based Systems Programming training for z/OS and zSeries mainframe platforms leading to three levels of specialist certification.
- http://www.academic.marist.edu/S390/

Serebra's On-Line Learning Center
- Self-study, including many mainframe, courses offered on CD-ROM, or as 3 and 12 month Web-based training subscriptions. Formerly FirstClass Systems.
- http://learn.serebra.com/

Blue True Software
- Lars Ritzman's Swedish consulting firm offering z/OS systems programming, specializing in IMS.
- http://www.bluetrue.com/

Mainline Information Systems
- Specializes in marketing, supporting and migrating storage and IBM zSeries mainframe servers. Also works with IBM midrange servers.
- http://www.mainline.com/

Arcati
- Mark Lillycrop's UK-based company offers IT research, writing and marketing services, specializing in business continuity, security, service management, storage and mainframe data center strategy in Europe and the U.S.
- http://www.arcati.com/

Best Customer Solutions
- Specialists in maintaining, upgrading and enhancing mainframe systems software. Including several formalized, field-tested service offerings.
- http://www.mainframehelp.com/

Bridgestone Firestone Information Services (BFIS)
- Facilities management, outsourcing, systems programming, application performance tuning and disaster recovery services. Subsidiary of the tire manufacturer.
- http://www.bfis.com/

BETA Services
- Specializes in maintaining mainframe applications, either on-site in the Philadelphia to New York City corridor, or telecommuting anywhere in the world.
- http://www.betaservices.com/

Jim Morris
- A Florida-based freelance contract z/OS Assembler programmer willing to travel or telecommute.
- http://www.morris-online.com/jim/

Yevich, Lawson & Associates
- DB2 consulting and education for z/OS and other platforms.
- http://www.ylassoc.com/

Trainframe z/OS Operator Training
- Training for computer operators based on simulation of the z/OS main console, including hands-on IPL. There is also a junior systems programmer module.
- http://www.trainframe.com/html/trainsplash.html

The Trainer's Friend
- Heavy emphasis on mainframe classroom courses, mostly for z/OS environments. Also offers Remote Contact Training (RCT).
- http://www.trainersfriend.com/

Train Your Business
- Public and in-house classroom, mostly IBM mainframe, courses. Formerly Techknowledge Training and Amdahl Education.
- http://www.trainyourbusiness.com/

Themis Training
- Instructor-led courses offered in many major U.S. cities, including many mainframe topics.
- http://www.themisinc.com/

Sys-Ed
- Large training company with heavy emphasis on the mainframe, including a few systems analysis classroom courses.
- http://www.sysed.com/

RSM Technology
- Public and on-site training for mainframe application developers, systems programmers and operators. From Assembler to z/OS. Encompasses Circle Education, Amdahl Education, Laird Ståhl Training and RSM Education.
- http://www.rsm.co.uk/

Remote Associates
- On-site and remote z/VM and Linux applications and systems programming services.
- http://www.remoteassociates.com/

MVS Training
- Public and custom on-site IBM mainframe classroom training and books/reference guides, especially z/OS JCL, COBOL and WebSphere.
- http://www.mvstraining.com/

Minerva Training Consultants
- Provides on-site mainframe training courses including PL/I, IMS, DB2 and JCL. Courses can often be tailored to meet specific customer requirements.
- http://www.minervatraining.com/

Lightyear Consulting
- Provides product specific expertise on z/OS, DB2, CICS, IMS and WebSphere, as well as customized software development for mission-critical applications.
- http://www.lightyr.com/

Datatrain CBT
- Datatask's computer-based training for z/OS and VSE/ESA.
- http://www.datatrain.net/

Data Kinetics
- Canadian company providing mainframe courses, table management software, software testing and consulting.
- http://www.dkl.com/

DacWorks
- Public and in-house training courses in CICS/TS, CICS Web programming, HTML, XML, SOAP, Java and WebSphere. Also offers CICS/TS consulting services.
- http://www.steepdown.co.uk/

CPR Systems
- Specializing in VSE/ESA training, with consulting also available.
- http://www.cprsystems.com/

Circle Computer Group
- DB2 and CICS migration specialists, combining software and services for: IMS to DB2, VSAM to DB2, CA-IDMS to DB2, ADABAS to DB2, CA-Datacom to DB2, Total/Supra to DB2 and IMS/TM to CICS.
- http://www.circle-group.com/

Computer Business International
- Consulting and training company offering DB2, mainframe programming, security and Unix courses.
- http://www.computerbusinessintl.com/

Cassidy IT Services
- European z/VM, z/Linux, z/OS, VSE/ESA, CICS/TS, mainframe and Websphere systems consultancy.
- http://www.jdcassidy.net/

ACTS Corporation
- z/OS and zSeries implementation, migration, upgrades, performance, tuning and capacity planning. Unix system administration for z/OS Unix System Services, mainframe and other Linux, AIX, HP-UX and Solaris. Plus databases, networks and Windows system admin
- http://actscorp.com/

Barnett Network Strategies
- Chicago-area Consultant. Installs CICS, MVS, OS/390, and z/OS. Systems programming of mainframe products: maintain, tune, audit, strategize, and advise.
- http://bar-nettwork-strategies.us/

Alicomp
- Mainframe (z/OS, z/VM, VSE/ESA and zLinux) and open systems data center outsourcing services, including disaster recovery and business continuity with an emphasis on hospital and insurance organizations. An Amalgamated Life company.
- http://www.alicomp.com/

Monitor
- z/OS classroom courses and Datatrain mainframe computer-based training, mostly in English, in the Netherlands and Belgium.
- http://www.monitor.nl/

Technical Enterprises
- TEI publishes technical periodicals, hosts conferences and provides Internet services and general management for professional organizations. It began with the mainly mainframe NaSPA organization.
- http://www.techenterprises.net/

Data Dallas Corp (DDC)
- Internet access to a mainframe; z/OS time-sharing, including TSO, CICS, DB2, SAS, via Internet: tn3270 and ftp. Also, media conversion, laser printing, and mailing and direct marketing services.
- http://www.datadallas.com/

T3 Technologies
- Offers mainframe systems: both the zSeries and Intel-based FLEX/ES mainframe emulation. And disaster recovery and systems programming services.
- http://www.t3t.com/

Simon Systems
- Specializes in IBM S/390 mainframe solutions, Multiprise 3000 and Numa-Q hardware, software and maintenance packages.
- http://www.simonsys.com/

Cornerstone Systems, Inc
- An IBM partner/reseller and Lotus Notes business partner offering a variety of products and services for eserver zSeries running z/OS, z/VM and VSE/ESA operating systems.
- http://www.csihome.com/

Computer Savings Corporation
- Buys and sells hardware, including IBM mainframe systems and components.
- http://www.computersavingscorp.com