About Us

Occupational Training & Supply, Inc.
Large enough to support you, Small enough to know you


Occupational Training and Supply (OTS) is a family owned industrial supply company specializing in the areas of safety, abatement, construction, hazardous materials, and remediation. OTS is a certified Women’s Business Enterprise (WBE) located 20 miles from downtown Chicago. We have served customers local and across the country since 1996. Our sales team’s focus is to provide customers with the best knowledge, service, and competitive pricing in the industry.

We provide choices in your shopping experience either with personalized service with a member of our sales staff or through our easy to use website. OTS has partnered with some of the world’s largest manufacturers to provide a breadth of inventory choices second to none. Throughout the years we have added hundreds of manufacturers both large and small, global and local, to source and quickly fulfill any size purchase. Supplied and supported by the top manufacturers in the industry, we’re able to provide quality products with personalized service. We offer next day delivery guaranteed with same day delivery always available. Give us a call today and experience the way business should be done.

Safety training is also available in our Willowbrook, IL facility. Students can review courses and register online here.



OTS is a Woman Business Enterprise (WBE), certified in the City of Chicago and State of Illinois.