PowerTech
- Powerlock AS/400 network security software. Intrusion Detection, network auditing and access control.
- http://www.powertech.com/

Linoma Software
- Provider of productivity tools for the iSeries and AS/400.
- http://www.linomasoftware.com/

IBM OS/400
- Official page for this OS: overview, manual page, provides start point for accurate information.
- http://www-1.ibm.com/servers/eserver/iseries/

Quick Press
- AS400 document output manager for PCL and laser printers.
- http://www.quick-press.com/uk/gestion.htm

Genesis V
- Information about the AS/400 products and services provided by the Genesis V group of companies.
- http://www.genesisv.com/

Systems Services Inc
- Distribution software.
- http://www.ssibtr.com/

Manhattan Associates
- Business process and supply chain solutions.
- http://www.manhattanassociates.com/

Ratio GMBH
- AS/400 online point of sales cash register system solutions.
- http://www.ratiosystem.com/

SDC Software Inc.
- Manufacturing and personnel software.
- http://www.sdcsoftware.com/

Data Design Inc.
- Payroll, accounting, collection agency and trade group software. Also provide bureau services and communications consulting.
- http://www.datadesigninc.com/

PentaSafe, Inc.
- AS/400 security and audit software.
- http://www.pentasafe.com/

The Original Software Group
- Automated testing for the AS/400 - deeper and wider than ever before
- http://www.origsoft.com

Quadrant Software
- Provides electronic fax, forms, and e-mail solutions for the iSeries 400 / AS/400 integrated enterprise.
- http://www.quadrantsoftware.com

System Objects Corporation
- Delphi, C++ and Visual Basic software for the AS/400.
- http://www.systemobjects.com/

Workware, Inc.
- System utilities and object distribution software.
- http://www.workware.com/

SoftLanding
- Turnover change management package. Also provides AS/400 contract services and planning for large and small scale development projects.
- http://www.softlanding.com/

I/NET, Inc.
- AS/400 software development firm specializing in WEB products. This is the company responsible for porting the Netscape servers to the AS/400.
- http://www.inetmi.com

Help Systems, Inc.
- AS/400 operations software.
- http://www.helpsystems.com

Harris Data
- AS/400 manufacturing, distribution, financials and human resources software vendors. Also provide training and consultancy services.
- http://www.harrisdata.com/

Capital Business Systems, Inc.
- AS/400 spool file to spreadsheet/database conversion software.
- http://www.capitalbusiness.com

Inpro International, Inc.
- General AS/400 system utilities and custom programming.
- http://www.inprointernational.com/

Exigent Computer Group, Inc.
- Specializing in image processing, graphical client/server, businesses systems design and development for the AS/400
- http://www.exigentinc.com