Company History

Calibration Laboratory Company Limited or CLC was established in 1997. We have acquired ISO/IEC 17025 certifications from many certified organizations such as Ministry of Industry, Thai Industrial Standards Institute (TISI) and ANSI National Accreditation Board (ANAB) from the United States of America.

2002 – 2006 : CLC is the first private calibration laboratory, which has been selected as a network of
the National Institute of Metrology (Thailand).

2021 – 2023 : CLC has been accepted as a certified laboratory complying with the ISO/IEC 17025:2017 from the ANSI National Accreditation Board (ANAB) in the United States.

2019 – 2022 : CLC has been accepted as a certified laboratory complying with the ISO/IEC 17025:2017 of
Thai Industrial Standards Institute (TISI) No. 0059.

2019 – 2021 : CLC has been accepted as a certified laboratory complying with the ISO/IEC 17025:2017 from the ANSI National Accreditation Board (ANAB) in the United States.

2016 – 2019 : CLC has been accepted as a certified laboratory complying with the ISO/IEC 17025:2005 of
Thai Industrial Standards Institute (TISI) No. 0059.

2013 – 2016 : CLC has been accepted as a certified laboratory complying with the ISO/IEC 17025:2005 of
Thai Industrial Standards Institute (TISI) No. 0029.

2010 – 2013 : CLC has been accepted as a certified laboratory complying with the ISO/IEC 17025:2005 of
Thai Industrial Standards Institute (TISI) No. 0059.

2007 – 2010 : CLC has been accepted as a certified laboratory complying with the ISO/IEC 17025:2005 of
Thai Industrial Standards Institute (TISI) No. 0059.

2007 – 2007 : CLC has been accepted as a certified laboratory complying with the ISO/IEC 17025:2005 of
Thai Industrial Standards Institute (TISI) No. 0029.

2004 – 2007 : CLC has been accepted as a certified laboratory complying with the ISO/IEC 17025:1999 of
Thai Industrial Standards Institute (TISI) No. 0059.

2001 – 2004 : CLC has been accepted as a certified laboratory complying with the ISO Guide 25 of
Thai Industrial Standards Institute (TISI) No. 0029.