NAICS Code Description


54138 - Testing Laboratories

Top Businesses by Annual Sales for 54138 – Click for Complete Profiles:

SGS US Holding IncTestamerica Envmtl Svcs LLC
CB&i Group IncIntertek Testing Svcs NA Inc
Underwriters Laboratories IncSterigenics US LLC
Kbr Wyle Services LLCAnalytical Pace Services LLC
Intertek Group Inc

See industry description for 541380.

NAICS Codes that fall under 54138 - Testing Laboratories

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