Fully accredited by the Occupational Health and Safety Association (OSHA) as a National Recognized Testing Laboratory (NRTL), CSA marks are used and sold across the U.S.
We've Got The Recognition You Need. CSA marked products are used and sold in the U.S. everyday. Not only are we accredited by ANSI and NES but as a Nationally Recognized Testing Laboratory (NRTL)
accredited by OSHA, CSA International can test and certify your products-following standardized test protocols-in laboratories across the U.S.
Generally speaking, all OSHA accredited laboratories conduct their tests against the same sets of U.S. standards and codes, regardless of who authors or publishes them. CSA International tests to applicable U.S. standards, including ANSI, UL, CSA, NSF, and many others.