Aerodyne Research, Inc.
   Provides instrumentation and consulting for environmental air quality monitoring and measurements.
   http://www.aerodyne.com/

Ecotech World Class Air & Water Monitoring
   Specializes in ambient air and emissions monitoring instruments and provides solutions for process gas and water monitoring applications.
   http://www.ecotech.com.au/

Horiba Instruments, Inc.
   Manufacturer and supplier of CEMS, ambient, and process gas instrumentation.
   http://www.environ.hii.horiba.com

Michigan Aerospace Corporation
   Lidar based weather sensing systems and optical air data systems.
   http://www.michiganaero.com/

NanoVapor Technologies
   Specializes in safety, regulatory and environmental compliance markets, specifically in gas phase and aqueous phase waste stream control.
   http://nanovapor.org/

Sunset Laboratory, Inc.
   Designs and provides instruments for analysis of carbonaceous aerosol for both lab-based and semi-continuous field measurements.
   http://www.sunlab.com/

TSI Incorporated -
   Designs and manufactures instruments used to measure flow, particulate, and other key parameters in environmental research.
   http://www.tsi.com/