Advanced Simulation Systems Flight Simulators
The home of Helicopter and Airplane Flight Simulators, Flight Training Devices, flight controls for the PC, hardware, software and do-it-yourself tips for builders.
http://www.advancedsimulation.com

AeroSIM Instrument Flight Training
PhilCoIFR - Instrument Flight Training
http://www.geocities.com/aerosim2002/

High Plains Engineering
Offers tools for flight control system design and flight test simulators, handling qualities, aircraft dynamics, data analysis and tests.
http://www.flightcontrolsystems.com/

Advanced Simulation Systems
Fixed wing and helicopter flight simulators. Flight simulation hardware, 3D software, and resources.
http://www.advancedsimulation.com/

Fidelity Flight Simulation
Manufactures full motion simulators using electric motion control and PC based flight simulation. Product description, press releases, technical support and FAQs.
http://www.flightmotion.com/

DW-WG
Web Publishing
http://www.dwwg.demon.co.uk/

Elite Simulation Solutions
ELITE offers a variety of PC-based IFR flight simulation options as well as the widest selection of yokes, throttle quadrants, rudder pedals, avionics panels, flight consoles, and FAA approved PCATDs.
http://www.flyelite.com/

RF Cafe
Shareware, freeware and commercial applications for electrical and electronic engineering. Categories include circuit simulators, system simulators; antenna, electromagnetics and transmission line simulators and schematic capture, layout and block diagram software.
http://www.rfcafe.com/vendors/components/software_home.htm

Simtek, Inc
Aircraft simulated instruments for commercial and military flight simulators and training devices.
http://www.simtekinc.com

Cabin Evacuation Simulators
A lab at Cranfield University that houses two aircraft cabin simulators designed to conduct tests into the survival of aircraft accidents. Includes information on the simulators, people, and research of the lab.
http://www.cranfield.ac.uk/soe/hf/aircraftevacuations.htm