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Ewing Controls
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From local workshop to global leader: how worker democracy saved the legacy of Ewing Controls

In a global industrial landscape dominated by multinational corporations and opaque management structures, Ewing Controls stands out as an inspiring anomaly. Located in Greenfield, a small town in Massachusetts, this engineering firm proves that high technology, large-scale exports, and workplace democracy are not only compatible but also form a highly competitive formula for success.

16 July 2026

The story of Ewing Controls (formally founded under its current name in 2001, though its roots date back to 1985) took a radical turn in May 2017. Its original founders, Tom Ewing and chief engineer James, were approaching retirement age after three decades specialized in designing custom automated control systems for steam turbines and cogeneration.

In the American industrial ecosystem, the usual fate of a successful technological SME is to be absorbed by a corporate giant. However, the founders wanted to protect their legacy and ensure that their engineers could continue practicing their craft within the local community.

With financial support from the Cooperative Fund of New England and advisory services from The ICA Group —backed by a Massachusetts state fund for skilled job retention— the company executed a textbook transition: selling the company to its own employees. Consequently, it became a worker-owned cooperative 100% controlled by its 11-person workforce. Under this framework, the traditional hierarchical structure was replaced by real economic democracy: one employee equals one vote to elect the board of directors, paired with an equitable distribution of profits.

From Deerfield Street to the rest of the world

What makes this cooperative truly extraordinary is the contrast between its human scale and its global impact. As reported at the time by the local American press (Greenfield Recorder), while the team works closely at their offices on Deerfield Street, their designs bring to life critical infrastructure across the planet.

Throughout its history, the cooperative has developed more than 200 custom control systems for power generation. Its portfolio features amazing civil and industrial engineering milestones:

  • Designing the electronic controls for a massive 140-megawatt generator integrated into a chemical fertilizer plant in Saudi Arabia.
  • The intricate control systems for the seven emergency diesel pumps of the Massachusetts Water Resources Authority, responsible for activating during severe storms to prevent flooding in the city of Boston.
  • Ongoing exports of energy-efficient cogeneration systems to Canada, China, the Middle East, and Africa.

Ewing Controls operates under a pure vertical integration model: the very same team of engineer-owners who kick off the conceptual design and program the software in Massachusetts is the one that travels internationally to handle commissioning (startup) and heavy machinery maintenance in the destination country.

Looking to the future of global energy

The horizon for Ewing Controls involves consolidating its key role in the global energy transition, expanding the life cycle of clean generation plants by modernizing their IT and control systems. Looking ahead to the coming years, the cooperative plans to keep opening new international markets and incorporating advanced industrial automation technologies.

This rollout includes expansion plans into highly regulated territories and will require the technological adaptation of their equipment to meet rigorous standards, such as the CE marking requirements necessary to operate in the European market.

By maintaining the agility of a self-managed structure and the accumulated technical expertise of its engineers, Ewing Controls faces the future by proving that democratic businesses can successfully compete and lead in the world's most advanced technological sectors.

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Concept and design by Factoría Prisma