OTIS lab is certified to ISO 9001: 2008. Initial Certification was attained in the year 1994.

OTIS is also recognized by Bureau of Indian Standards (BIS)

The Testing & Calibration departments have been accredited by, National Accreditation Board for Testing and Calibration Laboratories since the year 2005.

Certificates

Discipline	Certificate No.
Chemical Testing	T - 0794
Mechanical Testing	T - 0795
Non - Destructive Testing	T - 0796
Mechanical Calibration Laboratory	C - 0387
Thermal Calibration Laboratory	C - 0388
Electro - Technical Calibration Laboratory	C - 0458

Detailed Scope of Accreditation may be obtained from the NABL website : www.nabl-india.org