- AirNova, Inc.
http://www.airnova.com
Services include stack testing, stationary source isokinetic sampling, continuous emission monitoring, compliance permitting, air toxics pollution emission sampling, ambient air quality dispersion modeling.
- ARI Environmental Inc.
http://arienv.com/
ARI provides expert air testing services for industrial clients in the US and Canada. Stack and fugitive emissions testing and consulting since 1980. Offices in Houston, TX, New Orleans, LA and Chicago, IL.
- Atlantic Environmental Inc.
http://www.atlenv.com/
Environmental testing and consulting company with experts in indoor air quality, ergonomics, industrial hygiene, safety, and environmental property assessments. Offices in New York, Atlanta and Chicago.
- Beaulier Dust Control
http://www.beaulier.qc.ca/
Consulting engineers in ventilation, dust control and pneumatic conveyor in various industrial sectors, including metallurgy, chemical, plasturgy, mining, transformation, wood and forest.
- Clean Air Engineering
http://www.cleanair.com/
Environmental engineering, air testing, test equipment rental, EPA testing, stack testing, organics testing and particulate testing company. Strength lies in the synergy that comes from bringing these pieces together into an integrated whole.
- Entech Northwest
http://www.entechnorthwest.com
Entech Northwest specializes in air quality consulting, environmental assessment solutions and management for air pollution and noise issues for the transportation and manufacturing sectors.
- ETS Inc.
http://www.etsi-inc.com
Air quality consulting firm, specializing in air emissions control, measurement, training, design, troubleshooting, and regulatory services. Roanoke, Virginia.
- OdourNet
http://www.odournet.com/
An international group of environmental consultants dedicated to the specialist field of odour assessment, advice on managing odour annoyance and odour abatement.
- RAP Services
http://www.cemrepair.com/
An independent air quality consulting firm which operates, maintains and repairs continuous emissions monitoring (CEM) systems for a variety of industries.
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