About Us – Pentagon Machine

Engineering Built on Experience

Pentagon Machines is a precision engineering and contract manufacturing company headquartered in Chennai, India. With over 45 years of manufacturing experience, the company supports global and Indian OEMs with high-accuracy assemblies and components for demanding, business-critical applications.

Part of the Sellvinds Group, a family-owned organisation with a 65-year legacy across automotive, machinery, and machine-tool manufacturing, Pentagon brings engineering depth, stability, and long-term thinking to every engagement. This heritage has shaped a culture grounded in consistency, responsibility, and enduring partnerships.

Specialising in precision-engineered assemblies ranging from hydraulic sub-assemblies and gear systems to engine balancer assemblies, Pentagon has supported long-standing international and Indian customers for decades. Guided by engineering discipline and a quality-led way of working, the company delivers precision that is purpose built and trusted over time.

Vision

To be a trusted long-term manufacturing partner for precision-engineered assemblies and components, defined by consistency, responsibility, and engineering depth.

Mission

To deliver precision-engineered assemblies and components that perform reliably in real-world applications, through engineering discipline, process control, and accountability.

At a Glance

45+

Years of precision manufacturing experience

02

ISO 9001:2015 Certified Facilities

43,200

Sq. ft.
Total Land Area

80+

Skilled
Professionals

100+

Product Types Developed & Exported

Values

Engineering First

We approach every challenge with engineering logic, technical clarity, and a deep respect for how things work in practice, not just on paper.

Quality as a Way of Working

Quality is built into our processes, decisions, and culture. It guides how we design, manufacture, inspect, and continuously improve.

Long-Term Partnerships

We value relationships built over time. Many of our programs span decades, reflecting trust earned through consistency and performance.

Accountability

Our components operate in business-critical environments. We take ownership of outcomes and stand by our work.

Steady Improvement

We invest in people, processes, and capability to strengthen performance over time, without shortcuts or compromise.

Leadership

Pentagon Machines is led by a team with deep roots in engineering and manufacturing, combining decades of hands-on experience with long-term responsibility for the business and its customers. As a family-owned enterprise, stewardship is central to how the company is run. Knowledge is passed across generations, capabilities are built patiently, and relationships, with customers, employees, and partners, are approached with a long-term perspective. This continuity provides stability for ongoing programs while enabling measured growth and capability expansion.

Ramanathan Palaniappan

Founder Chairman (Retired)

Natarajan Palaniappan

Managing Director

Dr Varun Palaniappan

Manager - Strategy & Planning

Ananth Palaniappan

Manager - Project Engineering

Journey & Milestones

Pentagon Machines’ journey reflects steady growth built on engineering discipline, long-term partnerships, and expanding manufacturing capability shaped over decades.

1950s–1960s | Foundations in Engineering

The roots of Pentagon Machines trace back to early involvement in India’s machine tool and manufacturing ecosystem, laying a strong foundation in engineering practice and industrial discipline.

1970s | Establishment of Manufacturing Operations

Pentagon Machines is established as a precision engineering and manufacturing enterprise, focused on accuracy, reliability, and long-term responsibility in execution.

1990s | Entry into Precision Assemblies

The company expands beyond component manufacturing into precision-engineered assemblies, marking a shift towards higher-value, integrated manufacturing programs.

Late 1990s–2000s | Long-Term Global Partnerships

Pentagon begins supplying precision hydraulic sub-assemblies, including valves, gear pumps, and PTO gearboxes, to international customers, partnerships that continue over decades.

2008 | Expansion into Engine Assemblies

The company adds engine balancer assemblies to its portfolio, supporting leading Indian OEMs with critical, performance-sensitive programs.

2010s | Strengthening Infrastructure & Systems

Investments in CNC machining, clean-room assembly, testing, validation, and ISO-certified quality systems strengthen Pentagon’s manufacturing depth and consistency.

Today | A Trusted Manufacturing Partner

With over 45 years of experience, Pentagon Machines supports global and Indian OEMs through precision-engineered assemblies and components, built on trust, accountability, and engineering depth.