Engine, Fuel, and Emissions Engineering, Inc. - Rancho Cordova, CA
Manufacturer, Service Company
On-board and on-site emission measurements, including PM, NOx, CO, CO2 and optionally THC, NMHC, aldehydes and air toxics. Design and manufacture of custom emission measurement systems, including portable emission measurement systems (PEMS) for gaseous and PM emissions. Consulting services on emissions measurement and controls are also available.
www.efee.com

Emerson Process Management - Austin, TX
Manufacturer, Custom Manufacturer, Service Company
Emission testing & monitoring services for process control systems. Includes oil & gas fuel flow meters, zirconium oxide oxygen analyzers, engineering & analysis, & hazardous area classification for coal dust areas. Serves chemical, food & beverage, pulp & paper, water & wastewater, hydrocarbon, & energy markets.

Peterson Power Systems - San Leandro, CA
Distributor, Service Company
Diesel emission monitoring services. Monitoring, record keeping & reporting of ferries, excursions, tugboats & towboats.

Diesel Specialists, Ltd. - Humble, TX
Service Company
Emission monitoring service