Three decades of measurement you can stand behind.

GD Instruments Services has been a NABL accredited calibration laboratory since 2004 — quietly making sure that across hundreds of factories, the numbers are right.

Who we are

We introduce ourselves as a NABL Accredited Calibration Laboratory operating from MIDC Ambad, Nashik, working under the Department of Science & Technology, Government of India since 2004.

Our accredited fields span dimensional metrology, torque, hydraulic & pneumatic pressure and vacuum, mass, force (push & pull, load cell, crimping), rubber hardness, acceleration / speed, air velocity, density & viscosity — plus third-party electrical & thermal.

Over three decades we've served leading industries in automobiles, food, pharmaceuticals, R&D, plastics & rubber, steel, power generation, sugar plants, education, Ministry of Defence, aeronautics and process industries.

We continuously improve by adopting the international standard for calibration laboratories, so we can meet your calibration requirements to ISO 9000 / IATF 16949. Our expertise in mechanical measurement has helped customers measurably improve product quality.

GDIS is equipped with sophisticated masters and instruments traceable to national standards, supported by a dedicated group of qualified, trained engineers and technicians. We are one of India's leading calibration service providers, with more than 900 customers throughout the country.

See our accreditation →
Why GDIS

What a trusted lab actually gives you

Accredited & traceable

NABL CC-2043 to ISO/IEC 17025:2017. Every result traceable through the national chain, ILAC-MRA recognised.

Broad, deep scope

160+ accredited parameters across mechanical & fluid-flow disciplines, plus many non-standard instruments under our wider capability.

Lab & on-site

In-house calibration with fast turnaround, plus accredited site-facility methods for instruments that can't be moved.

Skilled people

A dedicated team of qualified, trained engineers and technicians who know your instruments and your industry.

Quality system ready

Calibration aligned to ISO 9000 / IATF 16949 needs, so audits and quality reviews go smoothly.

One point of contact

Consolidate mechanical, electrical and thermal needs with a single partner and predictable response times.

Our journey

Built over three decades

2004

Accreditation & foundation

GDIS begins operating as a NABL accredited calibration laboratory under the Department of Science & Technology.

2004 – 2024

Two decades of service

Serving leading industries across automobiles, pharma, defence, aeronautics, power and process sectors nationwide.

Today

900+ clients, 160+ parameters

One of India's leading calibration providers with a broad accredited scope and both lab & on-site facilities.

2026 – 2030

Current accreditation cycle

Certificate CC-2043 valid 03/03/2026 to 02/03/2030, last amended 19/05/2026, operating as GD Instruments Services (OPC) Pvt. Ltd.

Accreditation

NABL accredited to ISO/IEC 17025:2017

Our calibration laboratory is accredited by the National Accreditation Board for Testing and Calibration Laboratories (NABL) — a constituent board of the Quality Council of India under the Department of Science & Technology.

Accreditation means our technical competence has been independently assessed for the specific parameters in our scope, and our measurements carry uncertainties stated at a 95% confidence level (k = 2). Results are recognised internationally through the ILAC Mutual Recognition Arrangement.

Explore Accredited Scope Request Certificate Copy
Accreditation BodyNABL, India
Certificate NumberCC-2043
StandardISO/IEC 17025:2017
DisciplinesMechanical · Fluid Flow
Validity03/03/2026 – 02/03/2030
Last Amended19/05/2026
Legal EntityGD Instruments Services (OPC) Pvt Ltd
FacilitiesPermanent + Site
RecognitionILAC-MRA

Let's keep your measurements honest.

Talk to a lab that has been doing exactly this, accredited, for over twenty years.