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About Harbour Industries

Harbour Industries LLC, a Marmon | Berkshire Hathaway company is a premier manufacturer of Data; RF; and Mil-spec wire and cable located in Shelburne, Vermont. Since 1965, Harbour Industries has been manufacturing high-temperature and high-performance cable for the military, commercial, and industrial markets. The Shelburne facility manufactures a wide range of wire and cable products utilizing numerous conductors, insulating compounds, braid wire, and jacketing materials. Our commitment to engineering excellence and customer service is second to none. We have the people and knowledge to make your existing and new programs a success. 

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Company History 

Since 1965, Harbour Industries has been manufacturing high-temperature and high-performance cable for the military, commercial, and industrial markets.

During the late 1960s and early 1970s, a number of plant expansions took place in order to service the growth of the Aerospace Market. In 1975, an additional manufacturing facility was established in Farnham, Quebec, Canada.

In the 1980s and 1990s, new Mil-Spec cables and RF Microwave cables were added to Harbour’s product offering. In 1994, Harbour became a member of the Marmon Group based in Chicago, IL, an international association of more than 140 business units that operate independently within diverse business sectors. In March 2008, Berkshire Hathaway Inc. acquired a majority interest in the Marmon Group of companies. See the Marmon Group Business Sector Brochure.

Berkshire Hathaway and its subsidiaries engage in a number of diverse business activities including property and casualty insurance and reinsurance, utilities and energy, finance, manufacturing, retailing, and services. The common stock of the company is listed on the New York Stock Exchange, trading symbols BRK.A and BRK.B.

Today, Marmon Holdings, Inc. includes more than 100 companies across 11 groups around the world. Together, these companies have annual sales of approximately $10 billion and employ approximately 20,000 people. These groups share expertise, knowledge, and resources with and within each other, with a singular focus: our customers. Harbour Industries falls under the Marmon Electrical group as a member of the Aerospace and Defense platform with Robert Canny as the president over Harbour Industries, TE Wire & Cable, CCPI Europe, Marmon Aerospace & Defense, and Kitco Fiber Optics. This short video describes the capabilities of the Marmon High-Performance Wire and Cable Group companies.

Harbour sells through select distribution channels and to OEMs and assembly houses in North America, Europe, and Asia. International Distributor/Representatives provide additional sales and technical support. Harbour’s reputation for quality, (ISO9001 and AS9100 Registered) consistency, and a strong technical orientation have resulted in many new products and customers and continues to do so today.

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Harbour Industries is the global leader in product engineering and manufacturing of high temperature and high-performance cable. Our product and process engineering expertise ensures the highest quality products manufactured to precise customer specifications.


Since 1965, Harbour Industries has been manufacturing high temperature and high performance cable for the military, commercial, and industrial markets.


Videos/ Downloads/Industry Links

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Certifications and Compliance

  • AS9100D
  • Proposition 65 - California
  • RoHS
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