Access Sensor Technologies

2401 Research Blvd., Ste. 107
Fort Collins, CO 80526
(970) 818-7520

Analytics Corp.

10329 Stony Run Lane
Ashland, VA 23005
(804) 365-3000

Aquamedix LLC

7169 Shady Oak Road
Eden Prairie, MN 55344
(952) 479-0636

Arcadis U.S. Inc.

630 Plaza Drive, Ste. 100
Highlands Ranch, CO 80129
(720) 344-3500

Assay Technology Inc./AT Labs/MNR Services

1382 Stealth St.
Livermore, CA 94551
(800) 833-1258

Assay Technology manufactures cost-effective and convenient air samplers to monitor chemicals in a worker’s personal breathing zone, for over 200 vapors. We provide AIHA-LAP, LLC-accredited* IH lab services. We also test respiratory cartridges challenged against chemical vapors and manufacture the Miller Nelson temp-RHflow control system for generating controlled atmospheres.


415 Lawrence Bell Drive, Unit 4
Buffalo, NY 14221
(800) 366-2966

Casella is a global provider of monitoring solutions for workplace and environmental health measurements. Including real-time dust monitors, personal air sampling pumps, sound level meters, personal noise dosimeters, hand-arm vibration, and environmental monitors. Incorporating wireless data transmission via Casella software, reporting and monitoring remotely have been made easier than ever.

Dakota Software

1375 Euclid Ave., Ste. 500
Cleveland, OH 44115
(216) 455-1932

Entech Instruments Inc.

2207 Agate Court
Simi Valley, CA 93065
(805) 527-5939

Enthalpy Analytical dba Prism Analytical Technologies

2625 Denison Drive, Ste. D
Mt. Pleasant, MI 48858
(989) 772-5088

Environmental Devices Corp.

Fieldstone Industrial Park
4 Wilder Drive #15
Plaistow, NH 03865
(603) 378-2112

Environmental Devices Corp. is a manufacturer of precision scientific instrumentation specializing in real-time air quality monitoring. Since its incorporation in 1990, EDC has designed and commercialized several advanced product lines of air monitoring equipment. All products are highly portable, lightweight, and compact.

Environmental Monitoring Systems Inc.

3864 Leeds Ave.
Charleston, SC 29405
(800) 293-3003

Environmental Monitoring Systems Inc. is a worldwide provider and manufacturer of asbestos, lead, and indoor air quality products, equipment, and supplies. EMS has emerged as an industry technology leader, and currently holds 14 patents and trademarks. We take pride in supplying clients with superior quality products and unparalleled customer support.


1735 Market St., Ste. A465
Philadelphia, PA 19103
(215) 475-5133

Gas Clip Technologies Inc.

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


54 Nonset Path
Acton, MA 01720
(978) 263-4044

HNU-PID Analyzers LLC

2 Washington Circle #4
Sandwich, MA 02563
(774) 413-5281

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.


1 IDEXX Drive
Westbrook, ME 04092
(800) 321-0207

IDEXX Water is a global provider of water testing solutions that deliver easy, rapid, accurate, and cost-effective information on water quality in buildings, cooling towers, spas, and pools. IDEXX's culture tests detect Legionella pneumophila, the primary cause of Legionnaires' disease, in seven days, and Pseudomonas aeruginosa in 24 hours.

INDOOR Biotechnologies Inc.

700 Harris St.
Charlottesville, VA 22903
(434) 984-2304

Innolytics LLC

72377 Magnesia Falls Drive
Rancho Mirage, CA 92270
(949) 388-3671

Kem Medical Products Corp.

400 Broadhollow Road, Ste. 2
Farmingdale, NY 11735
(800) 553-0330

Kitagawa America LLC

200 Wanaque Ave., Ste. 204
Pompton Lakes, NJ 07442
(973) 616-5410

Lion Technology

570 Lafayette Road
Sparta, NJ 07871
(973) 383-0800

Lion Technology delivers top-rated hazardous materials, hazardous waste, environmental, and OSHA safety training in 60-plus U.S. cities and online anytime, anywhere at Lion's training helps industry professionals simplify complex regulatory requirements and builds in-depth expertise you need to keep your site in compliance.

Markes International Inc.

2355 Gold Meadow Way, Ste. 120
Gold River, CA 95670
(866) 483-5684

Medtronic Zephyr Performance Systems

1 Annapolis St.
Annapolis, MD 21401
(303) 518-3110


595 N. Harrison Road
Bellefonte, PA 16823
(814) 359-5435

MilliporeSigma is the U.S. life science business of Merck KGaA, Darmstadt, Germany. More than one million scientists and technologists use our products, including customers in environmental, health, and safety. The company is committed to solving the toughest problems in life science by collaborating with the global scientific community.

Netronix Inc.

3401 Grays Ferry Ave., Bldg. 6212
Philadelphia, PA 19146
(215) 475-5133

Oxility B.V.

Esdoornstraat 11
5682 CM Best
The Netherlands
+(31) 648-070-024


940 Winter St.
Waltham, MA 02451
(781) 663-6900

Portagas by Praxair

1202 E. Sam Houston Parkway S.
Pasadena, CA 77503
(800) 548-2268

Prism Analytical Technologies

2625 Denison Drive, Ste. D
Mt. Pleasant, MI 48858
(989) 772-5088

Consultative air testing laboratory specializing in chemical identification and analysis of air contaminants. Employing science-based technologies to perform routine and unique air analyses, Prism can determine 500-plus compounds in a single analysis down to 60 parts per trillion. Applications: indoor air quality, process control, product off-gassing, mold VOC detection.


135 Bernice Drive
Bensenville, IL 60106
(866) 736-8347

RAECO Rents is a nationwide rental service (U.S. and Canada) for portable environmental testing, industrial health and safety testing, and measurement instruments. Every kit comes complete with everything you'll need to get the job done, backed by a factory-trained staff, no-hassles policies and practices, and our "Instant On" service guarantee.

RKI Instruments Inc.

33248 Central Ave.
Union City, CA 94587
(800) 754-5165

Manufacturer of portable and fixed-systems gas detection equipment and sensor technology. Product lines include watch-style single gas monitors, smallest single gas combustible, smallest 4-gas, unique 5-sensor sample draw with low ppm, and versatile 6-gas portable with PID and over 300 configurations.

S.E. International Inc.

P.O. Box 39
Summertown, TN 38483
(931) 964-3561

S.E. International Inc., manufacturer of the Radiation Alert® product line, offers handheld ionizing radiation detection instruments for surface and air contamination, including general purpose survey meters, multichannel analyzers, portable laboratory, and dosimeters. Visit to see our new products: Ranger, Ranger EXP, Monitor 200, and Area Monitor.

SGS Galson

6601 Kirkville Road
East Syracuse, NY 13057
(888) 432-5227

SKC Inc.

863 Valley View Road
Eighty Four, PA 15330
(724) 941-9701

SKC is the world leader in sampling technologies including air sample pumps, size-selective particulate samplers, bioaerosol samplers, passive samplers, sorbent tubes, sample bags, and filters. Occupational and environmental health and safety professionals rely on SKC for sampling instruments and media to protect workers and the environment.

Sper Scientific

8281 E. Evans Road, Ste. 103
Scottsdale, AZ 85260
(480) 719-3468

Terracon Consultants Inc.

18001 W. 106th St., Ste. 300
Olathe, KS 66061
(913) 599-6886

Testo Inc.

40 White Lake Road
Sparta, NJ 07871
(800) 227-0729

The EI Group Inc.

2101 Gateway Centre Blvd., Ste. 200
Morrisville, NC 27560
(800) 717-3472

Tiger-Vac Inc. (USA)

11 SW 12th Ave., Bldg. 112
Dania, FL 33004
(954) 925-3625

UL EHS Sustainability

5000 Meridian Blvd., Ste. 600
Franklin, TN 37067
(615) 312-1245

VICI Metronics Inc.

26295 Twelve Trees Lane
Poulsbo, WA 98370
(360) 697-9199

Zefon International

5350 SW 1st Lane
Ocala, FL 34474
(800) 282-0073

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