Keller Group Inc. based in White Bear Lake, Minnesota was founded in 1990 and developed fax software for OS/2. Later Lite product versions were included with OS/2 Warp BonusPak. Keller's fax software for OS/2 includes both an OS/2 printer driver and an OS/2 application program.
Computer Data Strategies, Inc. (CDS) announced in 2001 that it has completed the acquisition of Keller Group Inc's PMfax software applications.
- Mark Ahlstrom, President
- Bruce Keller
- Client/Server API Toolkit
- Enhanced Printer Driver Toolkit
- PMfax Lite (free stand-alone product)
- PMfax Pro
- PMfax LAN
- FaxWorks for OS/2 - included in the IBM OS/2 Warp BonusPak
- Retail products for end users
- FaxWorks Pro for OS/2 (from Global Village Communication)
- Corporate PMfax (from NiteHawk Technologies/Open Port Technology)