Current Hamilton Club Partners

AIHA would like to extend a special thank you to the companies who have chosen to embrace the Hamilton Club Program.

Their commitment to the industrial hygiene community is evident and their position as industry leaders is to be co​mmended.



SKC Inc.

SKC is the world leader in sampling technologies including air sample pumps, accessories, particulate and 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.​


​At 3M, we apply science in collaborative ways to improve lives daily. We believe the right science applied the right way touches people worldwide. Every day, we’re generating breakthroughs that make your lives better, easier and more complete. From the most basic to the most specialized needs, 3M offers the health and safety protection you and your workers need most, so everyone can perform at their best.​

ZefonZefon International

Zefon International is a U.S. manufacturer and worldwide supplier of air sampling media and equipment used to monitor indoor environment, occupational hygiene and safety conditions. From our ISO certified, 50,000 square foot facility in Florida, we manufacture to the highest quality standards to meet the demands of the environment and customers’ needs. It starts in-house with the design, manufacturing, final assembly and shipping, always keeping customer satisfaction in mind. For over 25 years and around the world, we are known as the Professionals Choice for Air Sampling Equipment.

Powerful Industrial Hygiene instruments for Noise, Dust, Vibration, Aerosols, and Vapors. Casella leads the way with cost-effective, simple to use, rugged sampling products.  Combining easy calibration, operator control and remote Bluetooth® links with powerful data capture, Casella instruments obtain accurate results the way you want: fast, easy, and complete.


Nanozen designs, manufactures, and sells Particle Detector products for the Occupational Health and Environmental Safety markets worldwide. Nanozen was started in 2007 by founder Dr. Winnie Chu, a world expert in semiconductor sensor technology.  Nanozen's products provide the perfect combination of high accuracy, real-time operation, small and lightweight, easy to use, and low maintenance.  Our solutions are applicable across a wide range of industrial settings where combustable dust, silica, and many other airborne particle types can cause serious health issues and create potentially dangerous working environments. Visit to learn more about our product line.  Know the air you breathe.

EMSL Analytical, Inc., (EMSL) is a national network of laboratories located in key cities throughout the USA and Canada. Established in 1981, the company has expanded its analytical services and capabilities and now operates more than forty locations all striving for excellence in providing quality laboratory services in a timely and cost competitive manner.  EMSL Analytical, Inc. provides laboratory services for Allergens, Aquatic Microbiology, Asbestos, Chemistry, Consumer Products, Cosmetics, Equipment, Food Chemistry, Food Microbiology, Forensics, Good Manufacturing Practices, Indoor Air Quality, Industrial Hygiene, Lead, Material Science, Metals, Microbiology, Nanotechnology, Nutritional, PCR/DNA, Pharmaceutical, Radio Chemistry, Radon and Toxins.​

SGS Gals​on​

We provide industrial hygiene, environmental health, and safety professionals with the most effective means to obtain data to protect people from hazardous exposures. We provide this on time with unmatched service, quality and integrity while continuously improving and innovating our processes and services for the good of our clients.​​

TSI assists the occupational health and safety professional by supplying a variety of real-time instruments for work area monitoring, personal exposure monitoring, indoor air quality and outdoor fugitive emissions monitoring. Our instruments measure airborne dust /aerosol mass concentrations along with gas concentration in various workplace and environmental settings.​




ALS is a premier provider of environmental, industrial hygiene, microbiological/mycology, and dietary supplement analytical testing services. At ALS, our mission is to provide world-class customer service and reliable data to help clients make informed decisions. This objective is the very heart of ALS. From the Chemist performing the analysis to the Project Manager communicating every step of the way, ALS offers your company the best value and experience in the industry.

Assay Technology, an employee-owned company, develops cost-effective and convenient methods to monitor exposure to workplace chemicals. We provide personal monitoring badges for chemical exposure and IH lab services to analyze badge contents. Download the new SmartBadge™ App to generate lab request documents while using the badges. We offer the broadest range of OSHA-regulated chemicals including Ozone, Organic Vapors, Aldehydes, Amines, Anesthetics, and others. Meets OSHA requirements. Order online to save 10% per box, every day. Assay Technology also provides lab services for testing chemical capacity of air purifying respirators, and manufactures the HCS temperature-RH-flow control system. Info: 800-833-1258 or​


From first responders to industrial workers, DuPont provides a wide range of protective apparel solutions including some of the most trusted and innovative brands in the industry, such as Tyvek®, Tychem® and ProShield®  to meet your safety needs​

Industrial Scientific

Industrial Scientific

As the global leader in gas detection, Industrial Scientific provides gas detection products and services that keep workers safe in hazardous environments. The company’s more than 700 employees in 25 countries are committed to preserving human life, and have dedicated their careers to ending death on the job in this century. Established in 1985 and headquartered in Pittsburgh (USA), Industrial Scientific also has operations based in Arras (France) and Shanghai (China), and provides technical services to customers from local service centers around the world. Industrial Scientific is the parent company to Predictive Solutions Corporation (​). For more information, visit



Our purpose is to solve the toughest problems in life science by collaborating with the global scientific community – and through that, we aim to accelerate access to better health for people everywhere. 

We provide scientists and engineers with best-in-class lab materials, technologies and services. With the 2015 combination of EMD Millipore and Sigma-Aldrich, we now have a broad portfolio of 300,000 products, an expanded global footprint and an industry-leading eCommerce platform -​.

We are dedicated to making research and biotech production simpler, faster and safer.​

WE KNOW WHAT’S AT STAKE.  Unpredictable work environments are often part of the job. That’s why it’s critically important to have the right safety equipment at the moment it matters most. MSA’s complete lines of safety solutions help protect those workers at the heart of your operation. 

Core products include fall protection products, portable gas detection instruments and sensors, fixed gas and flame detection systems, head, eye, face, hearing and communications protection, and respiratory protective equipment. To learn more, visit, or call 1-800-MSA-2222.​



SiteHawk is the global leader in SDS Management. We provide long-term compliance solutions with innovative, cloud-based technology and world-class professional services.​