The table below contains information about emissions testing firms of which the department's Air Pollution Control Program is aware. This list is not comprehensive and the information may no longer be accurate. Names, addresses and telephone numbers appear according to the latest information received by the program. Additional firms are available in phone directories and other resources. This list is not intended as an endorsement, certification or warranty to any company or product by or from the Missouri Department of Natural Resources. 

If you have any questions regarding stack testing, please email stacktesting@dnr.mo.gov(link sends email).

Previous columnNext column
Company Services Offered Contact Information
Aereon/ Jordan Technologies
Louisville, KY 		Stack Testing
Opacity Testing 		Office 502-267-8344
testing@aereon.com(link sends email)
http://aereon.com(link is external)
Air Analysis Group Inc.
Leaswood, KS 		Stack Testing
Opacity Testing 		Office 913-219-5801
joenasseri@gmail.com(link sends email)
Air Control Techniques PC
Cary, NC 		Stack Testing
Opacity Testing 		Office 919-460-7811
john.richards@aircontroltechniques.com(link sends email)
http://www.aircontroltechniques.com(link is external)
Air Hygiene
Broken Arrow, OK 		Stack Testing
Opacity Testing 		Toll-free 888-461-8778
Office 918-307-8865
http://www.airhygiene.com(link is external)
Air Quality Services
Evansville, IN 		Stack Testing
Opacity Testing 		Office 812-452-4785
Fax 812-424-7797
sales@aqsllc.net(link sends email)
http://www.aqsllc.net(link is external)
AirSource Technologies Inc.
Shawnee, KS 		Stack Testing
Opacity Testing 		Office 913-422-9001
pliebl@airsourcetech.com(link sends email)
http://www.airsourcetech.com(link is external)
Alliance Source Testing
Decatur, AL 		Stack Testing
Opacity Testing 		Office 972-931-7127
Fax 256-351-0151
info@stacktest.com(link sends email)
http://www.stacktest.com(link is external)
Ambient Air Services Inc.
Starke, FL 		Stack Testing
Opacity Testing 		Office 904-964-8440
Fax 904-965-6675
aasi@ambientairservices.com(link sends email)
http://www.ambientairservices.com(link is external)
American Engineering Testing Inc.
St. Paul, MN 		Stack Testing
Opacity Testing 		Office 651-659-9001
Fax 651-659-1379
http://www.amengtest.com(link is external)
Apex Companies LLC
Novi, MI 		Stack Testing
Opacity Testing 		Office 248-973-1630
info@apexcos.com(link sends email)
http://www.apexcos.com(link is external)
Burns & McDonnell
Kansas City, MO 		Stack Testing
Opacity Testing 		Office 816-333-9400
http://www.burnsmcd.com(link is external)
Catalyst Air Management Inc.
Knoxville, TN 		Stack Testing
Opacity Testing 		Office 865-531-0075
Fax 865-531-0750
catalysts.office@catalystsair.com(link sends email)
http://www.catalystair.com(link is external)
CETCON Inc.
Tulsa, OK 		Stack Testing
Opacity Testing 		Office 918-743-2285
galen@cetoninc.com(link sends email), andrea@cetcon.com(link sends email)
http://www.cetconinc.com(link is external)
Civil & Environmental Consultants Inc.
St. Charles, MO 		Stack Testing
Opacity Testing 		Office 314-656-4566
info@cecinc.com(link sends email)
http://www.cecinc.com(link is external)
CleanAir Engineering
Palatine, IL 		Stack Testing
Opacity Testing 		Toll-free 800-627-0033
Office 800-553-5511
info@cleanair.com(link sends email)
http://www.cleanair.com(link is external)
Comprehensive Emissions Services
Waukee, IA 		Stack Testing
Opacity Testing 		Office 515-987-0200
doug@testces.com(link sends email)
Eagle Environmental Management LLC
Wentzville, MO 		Stack Testing
Opacity Testing 		Office 314-324-5323
service@eaglemgt.com(link sends email)
http://www.eaglemgt.com(link is external)
Enthalpy Analytical LLC
Deer Park, TX 		Stack Testing
Opacity Testing 		Office 281-984-7021
clint.thrasher@enthalpy.com(link sends email)
http://www.enthalpy.com(link is external)
Environmental Consulting Services of KC Inc.
Shawnee Mission, KS 		Opacity Testing Office 913-219-5801
joenasseri@gmail.com(link sends email)
Environmental Monitoring Laboratories LLC
Ridgeland, MS 		Stack Testing
Opacity Testing 		Office 601-856-3092
jbasle.eml@gmail.com(link sends email)
http://www.eml-llc.com(link is external)
Environmental Services Co.
Wilmington, NC 		Stack Testing
Opacity Testing 		Office 479-750-1170
http://www.esclabs.com(link is external)
Environmental Source Samplers Inc.
Wilmington, NC 		Stack Testing
Opacity Testing 		Office 910-799-1055
ess@ess.knowair.com(link sends email)
Environmental Works Inc.
Springfield, MO 		Stack Testing
Opacity Testing 		Office 417-890-9500
kcassil@nvironmentalworks.com(link sends email)
http://www.environmentalworks.com(link is external)
Environmental Works Inc. KC
Kansas City, MO 		Stack Testing
Opacity Testing 		Office 816-285-8410
kcassil@nvironmentalworks.com(link sends email)
http://environmentalworks.com(link is external)
Focus Environmental Inc.
Knoxville, TN 		Stack Testing
Opacity Testing 		Office 865-694-7517
focus@focusenv.com(link sends email)
http://www.focusenv.com(link is external)
GAS Inc.
Elk City, OK 		Stack Testing Office 318-955-3022
info@gasinc.com(link sends email)
http:/www.gasinc.us(link is external)
GEL Engineering LLC
Louisville, KY 		Stack Testing Office (502) 208-4662
engineering@gel.com(link sends email)
Grace Consulting Inc.
Wellington, OH 		Stack Testing
Opacity Testing 		Office 440-647-6672
contact@gcitest.com(link sends email)
http://www.gcitest.com(link is external)
Grace Consulting Inc.
Nixa, MO 		Stack Testing
Opacity Testing 		Office 252-571-3352
contact@gcitest.com(link sends email)
http://www.gcitest.com(link is external)
Heider Environmental Consulting
Columbia, MO 		Opacity Testing Office 573-445-3033
Fax 573-445-3058
Mobile 573-639-1410
info@heiderenv.com(link sends email)
http://www.heiderenv.com(link is external)
Interpoll Laboratories Inc.
Circle Pines, MN 		Stack Testing
Opacity Testing 		Office 763-786-6020
Fax 763-786-7854
interpoll@interpoll-labs.com(link sends email)
http://www.interpoll-labs.com(link is external)
Monitoring Solutions Inc.
Indianapolis, IN 		Stack Testing
Opacity Testing 		Office 317-856-9400
jnowak@monsol.com(link sends email)
http://www.monsol.com(link is external)
Montrose Environmental Co.
Cleveland, OH 		Stack Testing
Opacity Testing 		Office 800-372-2471
jhicks@montrose-env.com(link sends email)
http://www.montrose-env.com(link is external)
Montrose Environmental Co.
Elk Grove Village, IL 		Stack Testing
Opacity Testing 		Office 630-860-4740
bcheck@montrose-env.com(link sends email)
http://www.montrose-env.com(link is external)
Montrose Environmental Co.
Wauconda, IL 		Stack Testing
Opacity Testing 		Office 847-487-1580
http://www.montrose-env.com(link is external)
Mostardi Platt Corporate Office
Elmhurst, IL 		Stack Testing
Opacity Testing 		Office 630-993-2100
Fax 630-993-9017
info@mp-mail.com(link sends email)
http://www.mostardiplatt.com(link is external)
NPN Environmental Engineers Inc.
Fenton, MO 		Stack Testing
Opacity Testing 		Office 636-343-1300
http://www.npnenv.com(link is external)
Ramboll
Liverpool, NY 		Stack Testing
Opacity Testing 		Office 315-637-2234
http://www.obg.com(link is external)
RMC Environmental Inc.
Elgin, IL 		Stack Testing
Opacity Testing 		Toll-free 800-532-3391
rmce@airmonitoring.com(link sends email)
http://www.airmonitoring.com(link is external)
Soderberg Polytechnic Co. LLC
Kansas City , MO 		Stack Testing Office 816-221-9018
TRC Environmental Corp.
Burr Ridge, IL 		Stack Testing
Opacity Testing 		Office 312-533-2042
dgrabowski@trccompanies.com(link sends email)
http://www.trccompanies.com(link is external)
Wilcox Environmental Engineering
Speedway, IN 		Stack Testing
Opacity Testing 		Office 317-472-0999
Fax 317-472-0993
snelson@wilcoxenv.com(link sends email)
http://www.wilcoxenv.com(link is external)
Download Spreadsheet