O
  • Oak Grigsby
  • Ocean Sensors ocean measurement instrumentation and systems
  • Ocular graphic LCD module
  • Odetics GPS, telecom, space remote sensing, closed circuit video, broadcast management, video traffic detection, automated tape libraries
  • Odin TeleSystems subsystems and test equipment for the telecom industry
  • Ohio Transformer repair, rebuild, used AC power transformers
  • Okaya LCD displays, filters
  • Okidata printers
  • OKW enclosures
  • Olflex specialty flexible wire and cable and accessories
  • Olicom ATM switching, edge-devices, routing, network management
  • Oltronics network consulting
  • Olympus borescopes, fiberscopes, Videoimagescopes, digital high-speed video cameras
  • Omega Optical optical filters used for color discrimination in optical and electro-optical systems
  • Onkyo consumer audio
  • OpAmp Labs hobbyist electronics
  • Optical Polymer low refractive cladding material for use with fiber optic cable
  • Optima electronic cabinets, desks, and cases
  • Opto 22 I/O products, controllers, software, solid state relays, analog/digital I/O hardware and software
  • Optotek optoelectronic, semiconductor products and specialized CAE software
  • ORA cellular, home office
  • Orbital Sciences launch services
  • Oregon Micro Systems motion control electronics
  • Orion Instruments
  • Ormec servo motors and controllers
  • Osram Sylvania high intensity lighting
  • Overland Data tape archival backup systems
  • Oxmoor professional audio