GfA Aerophysics Simulation Services
Wind Engineering, Ventilation and Air Quality Consulting, Ingenieurdienstleistungen rund um Luft, Wind und Bauwerke
http://www.gfa.de/

Averill M. Law and Associates
Averill M. Law & Associates offers simulation consulting, simulation training, and the ExpertFit distribution-fitting software. It was founded in 1977.
http://www.averill-law.com/

CADwalk
Process simulation, device simulation, and circuit simulation as services. Specialties include working with SiGe HEMT, HBT, and MOSFET.
http://www.cadwalk.de/

Industrial studies based on simulation
Simulation de flux pour l'aide à la décision de systèmes industriels et scientifiques
http://www.1point2.com

Production Modeling Corporation (PMC)
PMC is a simulation and scheduling services company with expertise in applying simulation and scheduling in manufacturing and other industries. PMC also provides technical staffing in simulation and industrial engineering as well as contract program
http://www.pmcorp.com

Virtual Technology Corporation Home Page - Distributed Simulation Experts
VTC is a leading provider of distributed simulation products and services, and provides critical technical solutions to many of the largest and most complex simulation programs in government and industry.
http://www.virtc.com

Savannah Simulations – Business Simulations
Savannah Simulations AG provides expert simulations tools and services for better decisions
http://www.savannah-simulations.ch

Fidelity Simulation and Training
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http://www.fidelitytech.com/simtraining.html

ACIMS -- Arizona Center of Integrated Modeling & Simulation
Artificial Intelligence and Simulation Group. The page contains summaries of ACIMS simulation projects, simulation links, and news. One of the main research projects is the Discrete Event Specification Formalism (DEVS).
http://www.acims.arizona.edu/

Tau Simulation
Tau Simulation produces high performance simulation software for integrated circuit verification
http://www.tausim.com/