STS offers fast, expert product testing, inspection and certification solutions through our global
network of accredited laboratories. We conduct electrical safety testing to ANSI/UL, CSA, NFPA,
IEC, EN and other standards, EMC testing to local or global requirements, benchmarking and
performance testing for R&D or competitive differentiation, environmental compliance to
ENERGY STAR®, RoHS, or EuP requirements, and turnkey certification management.
We offer ETL Mark, WH Mark and NOM in North America; the CE,CB, GS, ASTA and BEAB Marks
for Europe; and the CCC Mark in China, among others. Our laboratories are recognized by 30
major accreditation bodies, including OSHA (NRTL), Standards Council of Canada, IECEE, A2LA,
FCC, UKAS and more.
Leading global manufacturers trust STS for faster, simpler, more cost-efficient testing and
certification services

● Machinery Directive
● Electromagnetic Compatibility (EMC) Directive
● Medical Devices Directives
● Radio & Telecommunications Terminal Equipment( RED ) Directive
● Electrical & Electronic
● Electrical Safety Testing for Appliances and Consumer Electronics