Active Laboratory Accreditations


AAMA - American Architectural Manufacturers Association
NFRC - National Fenestration Rating Council - ENERGY STAR
METRO-DADE - County Building Code Compliance Office - Dade County, FL
IES - International Evaluation Services (ISO 17025)

Active Memberships


ACIL - American Council of Independent Laboratories
AMAF - Architectural Manufacturers Association of Florida, Inc.
ASTM - American Society For Testing and Materials

Active Laboratory Approvals


HUD - Department of Housing and Urban Development
WDMA - Window and Door Manufacturers Association
NYCSCA - New York City School Construction Authority
NAMI - National Accreditation and Management Institute


Whether you're improving present products, developing completely new lines or designing to meet industry or market requirements, National Certified Testing Laboratories is staffed and equipped to apply the latest technology to all, or any part of your test requirements...promptly...efficiently...and economically.