IMS: Intelligent Micro Software
- Makes REAL/32 soft RTOS, 32-bit, realtime preemptive multitasking, multiuser, DOS and Windows compatible, lets normal programs multitask with no changes, supports network and embedded systems. Thatcham, England.
- http://www.imsltd.com/

MAZE Technology
- Produces application software for REAL/32. Includes product overviews, corporate and contact information.
- http://www.mazetechnology.com/

Logan Industries, Inc.
- Product information, support, files, and contacts for the REAL/32 OS from IMS and its own OS communications and utility software for Multiuser DOS and REAL/32.
- http://www.lii.com

MaxFrame Corp.
- OEM software maker of MaxFrame for automation package for IMS Ltd., REAL/32 OS for x86 architecture computers.
- http://www.maxframe.com/