Enhance your career with the Certified Occupational Safety Specialist (COSS) Series, which includes both COSS and the Certificate for Occupational Safety Managers (COSM) program.

COS offers a wardrobe of ready-to-wear and accessories rooted in exceptional quality and lasting design. Explore now.

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COSS is a unique, curriculum-based program that builds a solid foundation in both General Industry (CFR 1910) and Construction (CFR 1926) knowledge for the beginning safety practitioner as well as …

Stay certified and up to date with COSS recertification courses designed to maintain your safety credentials and industry compliance.

Select your location to explore COS's curated collection of Men & Women's clothing, shoes, and accessories.

The COSS Series includes intense, curriculum-based programs that cater to the needs of the beginning safety practitioner, as well as to the experienced safety professional.

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COS offers a versatile collection of women's clothing. Discover an edit led by modern shapes and premium fabrics, impeccably designed and crafted.

Our virtual COSS Series classes are live, instructor-led, and follow the same curriculum as in-person courses.