About Us

How We Began

AT Engineering was founded with a clear vision—to redefine precision engineering and manufacturing excellence.

From humble beginnings, we have evolved into a trusted name in industrial valves, railway equipment, and defense solutions. With a strong commitment to quality and innovation, we have grown from a small engineering unit to a full-fledged manufacturing powerhouse, serving industries across oil & gas, petrochemicals, power plants, and beyond.
Our journey has been marked by key milestones—expanding our product portfolio, securing prestigious global clients, and earning industry-leading certifications. Over the years, our relentless focus on engineering precision, safety, and reliability has helped us build long-lasting relationships with some of the most respected organizations worldwide.
Today, AT Engineering continues to push boundaries, delivering world-class solutions that power industries, enhance safety, and drive efficiency. With every project, we reaffirm our commitment to innovation, sustainability, and customer success.

Our Vision

At AT Engineering, we envision a future where engineering excellence drives industrial transformation and sustainable progress. As a global leader in industrial manufacturing, we are committed to continuous innovation, leveraging cutting-edge technologies, and expanding into new markets to meet the evolving needs of industries worldwide.
 
Our vision extends beyond engineering—we are dedicated to upholding the highest Environmental, Social, and Governance (ESG) standards. By integrating sustainability into our processes, fostering responsible growth, and prioritizing ethical business practices, we aim to create a lasting impact on industries, communities, and the environment.
 
With every solution we deliver, we reaffirm our commitment to efficiency, durability, and a greener, more responsible future.

Our Mission

At AT Engineering, our mission is to engineer excellence by delivering world-class industrial solutions that prioritize precision, safety, and reliability. We are committed to pushing the boundaries of manufacturing innovation while maintaining the highest quality standards.

By leveraging cutting-edge technology and a customer-centric approach, we aim to create products that drive efficiency, sustainability, and long-term value for our clients.

Leadership Team

At AT Engineering, our leadership team is the driving force behind our commitment to innovation, quality, and customer success.

With decades of combined experience in engineering, manufacturing, and industrial solutions, our leaders bring deep expertise and a forward-thinking approach to everything we do.
Anup-Kanti-Karmakar-03

Anup Kanti Karmakar

(B.Tech. from IIT Kharagpur)
Founder, Managing Director and Partner

Anup Kanti Karmakar founder and Managing Director of Associated Toolings (India) Private Limited and Partner of Associated Tools. Created ATIPL from the ground up, from a 10 members team to around 180+ in the last 15 years.
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Ratan-Jyoti-Bishnu-03

Ratanjyoti Bishnu

(B.E. Mechanical from North Bengal University)
Co-Founder, Chairman and Partner

Ratanjyoti Bishnu co-founder, Chairman of Associated Toolings (India) Pvt Ltd and Partner of Associated Tools. With Mr. Anup Kanti Karmakar created AT and ATIPL from the ground up. After hard working AT & ATIPL starting own manufacturing from 1998.

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Jyotirmoy Karmakar

Jyotirmoy Karmakar

Technical and Production Director & Partner

Jyotirmoy Karmakar Working closely with project managers, designers & staff to ensure the technical needs of a project.
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Udayan-Karmakar

Udayan Karmakar

Administrative and Finance Director & Partner

Udayan Karmakar joined AT and ATIPL in 2008. He is a very highly experienced financial leader.
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Hirakjyoti Bishnu

Hirakjyoti Bishnu

Technical and Production Director & Partner

Hirakjyoti Bishnu oversee all aspects of production, including pre-production, production, and post-production. 

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AT Engineering takes pride in serving a diverse range of industries that demand precision, durability, and reliability in their operations.
Our expertise in industrial valves, railway equipment, and defense solutions allows us to cater to some of the most critical and high-stakes sectors.

Our Key Industries:

Oil & Gas

Providing high-performance valves and components designed to withstand extreme conditions and ensure seamless operations in the oil and gas sector.

Petrochemicals & Chemicals

Delivering robust engineering solutions that optimize industrial processes and enhance safety in chemical and petrochemical plants.

power-generation

Power & Energy

Supporting thermal power plants, refineries, and water treatment facilities with engineered products that improve efficiency and performance.

Railways & Transportation

Manufacturing advanced railway components and equipment that improve operational efficiency, safety, and sustainability in transportation.

Defense-&-Aerospace

Defense & Security

Supplying high-precision defense solutions that meet the stringent requirements of national security and defense applications.

Why Industries Trust AT Engineering?

Certified & Compliant

Approved by EIL, NPCIL, IBR, and other regulatory bodies.

Global Clients & Expertise

Trusted by leading organizations worldwide for high-quality engineering solutions.

Innovation-Driven Approach

We continuously upgrade our products with cutting-edge technology and R&D.

Sustainable & Cost-Effective

Our products are designed for long-term reliability and efficiency, reducing operational costs.

At AT Engineering, we don’t just supply components—we power industries, elevate performance, and drive engineering excellence.

Quality & Certifications

Engineers India Limited (EIL)

Nuclear Power Corporation of India Limited (NPCIL)
Indian Boiler Regulation (IBR) Certification
ISO Standards Compliance

Our Testing & Quality Assurance Process

Advanced Material Testing

Ensuring raw materials meet mechanical and chemical composition standards.

Hydrostatic & Pneumatic Testing

Verifying the integrity and safety of industrial valves and pressure components.

Non-Destructive Testing (NDT)

Detecting flaws and ensuring reliability in mission-critical applications.

Performance Validation

Simulating real-world conditions to guarantee superior operational performance.

Our Clients

irctc
IOCL
daiso-sango-01
dangote
walmark
knorr-bresme
pk-international
texmaco
ADNOC

Work with Us

At AT Engineering, we don’t just build world-class industrial solutions—we build careers, leaders, and a culture of excellence.
Whether you’re an experienced professional or a passionate newcomer, we offer a dynamic environment where innovation, collaboration, and growth are at the forefront.

Innovative Work Environment

Work on cutting-edge engineering projects that shape industries.

Growth & Development

Continuous learning through mentorship programs, technical training, and leadership opportunities.

Global Exposure

Collaborate with renowned clients and partners worldwide.

Culture of Excellence

Be part of a team that values expertise, creativity, and dedication.

Competitive Benefits

Enjoy industry-leading compensation, incentives, and wellness programs.

Current Openings

We are always on the lookout for talented engineers, designers, project managers, and business professionals to join our growing team. Some of our current job openings include:

1. Mechanical Design Engineer
25 Mar 2025 – (Position – Open) – Apply
2. Production Supervisor (Position – Open)
25 Mar 2025 – (Position – Open) – Apply
3. Quality Assurance Engineer (Position – Open)
25 Mar 2025 – (Position – Open) – Apply
(For the most up-to-date job listings, please visit our Careers page or reach out to our HR team.)

Write to Us

Feel free to contact us any time. We will get
back to you as soon as we can!

        Get in Touch

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        Head Office

        • Howrah Amta Road, Balitikuri, Kalitala,
          Howrah- 711113, WB
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        Regional Office: Ghaziabad

        • B-300A, Nandagram, Meerut Road,
          Ghaziabad- 201003

        Regional Office: Pune

        • Paramount Engineers, Flat- 3, Swamikunj, Near Mangeshkar Hospital, Patwardhan Baug, Erandawane, Pune - 411004

        Regional Office: Baroda

        • RK Techno Engg & Consultancy; SF-6, Sitaram Super Mkt, Opp L&T-Chiyuda, NH No. 8, Chhani Road, Baroda-391740
        © 2025 AT Engineering. Design by ConfusedGenius
        Jyotirmoy-Karmakar-02
        Jyotirmoy Karmakar
        Technical and Production Director & Partner
        Diploma in Mechanical Engineering
        Jyotirmoy Karmakar joined AT & ATIPL in 2005. He Working closely with project managers, designers, and other staff to ensure the technical needs of a project. He Developing and implementing technical standards and protocols for the project or organization. Resolving technical issues as they arise, troubleshooting and providing solutions. Participating in budgeting and financial planning for technical aspects of the project.
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        Udayan-Karmakar-02
        Udayan Karmakar
        Administrative and Finance Director & Partner
        MBA ( IIM Ahmedabad )
        Udayan Karmakar joined AT and ATIPL in 2008. Udayan Karmakar is a highly experienced financial leader with a strong track record in strategic financial management, risk assessment, and business growth. As the Finance Director at Associated Tools and Associated Toolings (India) Private Limited, he plays a pivotal role in overseeing financial operations, ensuring sustainability, and driving profitability. Udayan Karmakar is committed to financial excellence, transparency, and innovation. By leveraging data-driven insights and best practices, he ensures that Associated Tools and Associated Toolings (India) Private Limited remains financially strong, competitive, and poised for long-term success.
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        Hirak Jyoti Bishnu
        Technical and Production Director & Partner
        B.Tech. ( Haldia Institute of Technology )

        Hirakjyoti Bishnu joined AT and ATIPL in 2008. Oversee all aspects of production, including pre-production, production, and post-production.  Develop and monitor budgets and schedules to meet deadlines. Developing and implementing technical standards and protocols for the project or organization. Write production reports that summarize progress, product developments, and future plans. Plan maintenance, turnarounds, and downtime to improve efficiency.

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