About Us
Growing From Strength to Strength
Established in 2014, National Group of Companies (NGOC) has grown from an INR 1 million enterprise employing just 5 people into an INR 10 million business with over 100 employees — offering around-the-clock service at centers across Eastern India, backed by our head office in Kolkata.
A financially stable organization, we design, install and maintain HVAC and refrigeration systems and offer the full range of duct cleaning and indoor air quality services — providing expertise over the entire life of your systems through installation, ongoing maintenance, refurbishment and replacement.
Growing From Strength to Strength
2014
Founded in Kolkata as an INR 1 million enterprise with a team of just 5 people.
2016
Launched Power Saving Consultancy and value-added services — duct cleaning, duct making, air quality management and AMC packages.
2018
Expanded round-the-clock service centers across Eastern India.
2021
Established the Environmental Sustainability Committee and dedicated Operational Excellence team.
Today
An INR 10 million+ business with 100+ employees, delivering mechanical systems anywhere in India.
Guided by Values. Driven by Purpose.
Our mission is to create sustainable value for our customers, staff, owners and society — by effectively applying our expertise in designing, supplying, installing, commissioning and maintaining mechanical systems anywhere in India.
Customer Commitment
We deliver quality products & services which sustain and grow successful business partnerships with our external and internal customers.
Our People
We provide leadership and commitment to our people through strong teams dedicated to safety, equity, recognition and respect for all.
Success
We create a winning outcome for our people and our customers.
Managing Excellence
We achieve best practice through dedication, new ideas and professionalism, in all we do.
Integrity
We commit to supporting an environment that fosters honest and ethical behavior.
Communication
We foster an organization which supports open, honest and effective two-way communication with our people and stakeholders.