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Bonnar Engineering

Experts in Structural Steelwork

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Bonnar Engineering Ltd began in the year 1974 and the initial focus was on the manufacture of gates and railings, electric welding and general repairs. Subsequent to this the fabrication and erection of structural steelwork, incorporating portal frames, steel trusses, Purlins, sheeting, cladding, gutters and insulation quickly became the main thrust of the business. The Company became renowned for its capability in structural steelwork and rapidly built up an excellent reputation in this field. Further expansion became necessary in 1982, and in 1998, as a result of ongoing progress and continuing improvement, a new 35,000ft2 premises was constructed at our current location. A highly competent workforce and a state of the art premises have ensured that the Company has the ability to deliver a service, which is unsurpassable. Large volumes of steelwork are turned out from the factory floor each week and the many projects completed by Bonnar Engineering are testimony to our expertise in this field Our investment in Quality and Safety sets us above our competition and our implementation of technology allows us to track each piece of steel from drawing to installation. The combination of these elements enables us to deliver projects of the highest quality on time and cost efficiently.


  • Street: Neil T. Blaney Road
  • City: Letterkenny
  • County: Co. Donegal
  • Country: Ireland


  • Telephone: 00353 749122256
  • Fax: 00353 749124877
  • E-Mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

Letterkenny Chamber of Commerce
Grand Central Complex
Canal Road
Co. Donegal

Tel: + 353 (0) 872130495


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CALL US ON: +353 (0)74 91 24866 / 91 25505

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