American Association for Laboratory Accreditation (A2LA)
A2LA is the national accreditation body for United States. It accredits 1,949 ISO/IEC 17025 testing labs across 1,689 organizations. Official site: www.a2la.org.
Top accredited methods
ANSI/NCSL Z540-1-1994
225 labs
ANSI C63.4:2014
149 labs
ASTM E18
112 labs
ASTM B117
77 labs
AOAC 990.12
73 labs
ASTM D2240
63 labs
ANSI/TIA-603-E
57 labs
ASTM D4052
53 labs
ASTM A370
52 labs
ICES-001
50 labs