9661 U.S. Highway 36
P.O. Box 649
Lyons, CO 80540
(303) 823-6661

[email protected]

Baseline products stand out as a gas detection leader who has set the standard for quality and reliable measurement of gases. From bench-scale to desktop to handheld instruments, our products are used in laboratory R&D, process monitoring and control, and final quality checks.

Assay Technology Inc./AT Labs/MNR Services

1382 Stealth St.
Livermore, CA 94551
(800) 833-1258
[email protected]

Technology leader in air samplers for personal exposure monitoring, providing AIHA-accredited* IH lab services. The most
convenient and cost-effective way to monitor chemicals, including: organic vapors, aldehydes, amines, nitrous oxide, anesthetic gases, ethylene oxide, hydrogen peroxide, and more. The Miller-Nelson atmosphere generator and respirator/media vapor challenge testing are also available.

*For accreditation certificates and scope pages, visit

DOD Technologies Inc.

675 Industrial Drive, Bldg. A
Cary, IL 60013
(815) 788-5200


7256 South Sam Houston Parkway W., Ste. 100
Houston, TX 77085
(800) 437-2437

[email protected]

Founded in 1889 in Lübeck, Germany, Dräger is a global leader in safety and medical technology. The safety division specializes in fixed and portable gas detection and in respiratory protection. Our guiding philosophy is “Technology for Life,” and we are committed to bringing innovative solutions to protect life safety.

Electro Optical Components/SemeaTech

5464 Skylane Blvd., Ste. D

Santa Rosa, CA 95403
(707) 568-1642

EMSL Analytical

200 Route 130 N.
Cinnaminson, NJ 08077
(800) 220-3675


680 Fairfield Court
Ann Arbor, MI 48108
(734) 761-1270 and (800) 521-2978

ENMET specializes in medical air, environmental and industrial health and safety monitoring instruments. Products range from compressed breathing air monitors and continuous systems to our autonomous gas chromatograph for facility and community monitoring of trace levels of toxic chemicals. We provide expert technical assistance, problem assessment, product selection, and advice on system installation.

Gas Clip Technologies Inc.

305 W. FM 1382, Ste. 540
Cedar Hill, TX 75104
(972) 775-7577

Gasmet Technologies Inc.

956A The Queensway
Toronto, ON M8Z 1P5
(416) 354-2377

[email protected]

The GT5000 Terra is the world’s smallest portable FTIR multi-gas analyzer, measuring 50 gases simultaneously at sub-ppm levels. Using its powerful Identification Tool, mystery odors can also be identified within minutes of arrival on site. Provide nearinstant results and promptly resolve worker air quality issues!

HNU-PID Analyzers LLC

2 Washington Circle #4
Sandwich, MA 02563
(774) 413-5281
[email protected]

HNU manufactures portable, hand-held, and fixed continuous monitors for a variety of industrial hygiene and workplace safety applications. Featured products include hand-held GC for the specific measurement of benzene and other toxic gases, FIDs, PIDs with ppb range, multi-detector portable GCs, and fence-line monitors with remote data collections.


405 Barclay Blvd.
Lincolnshire, IL 60069
(800) 538-0363

Industrial Scientific Corp.

1 Life Way
Pittsburgh, PA 15205
(412) 788-4353

ION Science Inc.

4153 Bluebonnet Drive
Stafford, TX 77477
(877) 864-7710

Kanomax USA

219 U.S. Highway 206
P.O. Box 372
Andover, NJ 07821
(973) 786-6386


400 Summit Drive
Burlington, MA 01803
(314) 286-8355
[email protected]

The Life Science business of Merck KGaA, Darmstadt, Germany, which operates as MilliporeSigma in the United States and Canada, has some 21,000 employees and 59 manufacturing sites worldwide, with a portfolio of more than 300,000 products focused on scientific discovery, biomanufacturing, and testing services.

Sensidyne LP

1000 112th Circle N., Ste. 100
Saint Petersburg, FL 33716
(800) 451-9444

SGS Galson

6601 Kirkville Road
East Syracuse, NY 13057
(888) 432-5227
[email protected]

SGS is the world’s leading inspection, verification, testing, and certification company. A member of the SGS group, SGS Galson is the world leader in industrial hygiene analysis and monitoring solutions. We work with OHS&E professionals in selecting the most effective means to obtain data to protect
people from hazardous exposures.

SKC Inc.

863 Valley View Road
Eighty Four, PA 15330
(724) 941-9701
[email protected]

SKC sampling solutions and expertise support your critical mission to protect worker health and safety. Our science has served occupational health and safety professionals for over 55 years. That science produces best-in-class sample pumps, media, size-selective samplers, surface and dermal testing kits, noise instruments, and technical support. Science. Serving People.

TSI Inc.

500 Cardigan Road
Shoreview, MN 55126
(651) 490-3824

Zefon International Inc.

5350 SW First Lane
Ocala, FL 34474
(352) 854-8080
[email protected]

From asbestos cassettes to pre-weighed filters, Zefon provides the OEHS professional with the highest quality products in air sampling media. Providing reliable and worry-free sampling media and equipment is our commitment to you and your profession. Zefon is the Professionals’ Choice.