Flight Illusion.com
Flight illusion simulator systems.
http://www.flightillusion.com/
NgFlightdeck
How you build a home cockpit simulator boeing 737
http://users.skynet.be/jcordon
Sea Gull Sim.
Welcome to the website of sea gull, we produce plug & fly instruments for flight simulators
http://www.sgsim.com/
Simkits
Simkits - simulator parts
http://www.simkits.com/