Founded in 1904 as a builder of stone and masonry buildings, the O'Connor Companies has grown to include impressive construction for academic and industrial clients, mechanical installations, comprehensive safety services, and maintenance for the power industry.
Founded in 1904 as a builder of stone and masonry buildings, the O'Connor Companies has grown to include impressive construction for academic and industrial clients, mechanical installations and maintenance for the power industry and comprehensive safety services.
Founded in 1904 as a builder of stone and masonry buildings, the O'Connor Companies has grown to include impressive construction for academic and industrial clients, mechanical installations and maintenance for the power industry and comprehensive safety services.

O’Connor Constructors

O'Connor Constructors
O'Connor Constructors offers a full staff of Pre-construction specialist, project managers and site superintendents for general contracting and construction management services for corporate, institutional and industrial clients.
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O’Connor Corporation

O'Connor Corporation
O'Connor Corporation is a major provider of boiler turbine pollution control and piping services for power generation and industrial facilities throughout the Northeast. O’Connor offers unparalleled expertise in utility installation, upgrade and maintenance services.
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O’Connor Safety Corporation

O'Connor Safety Corporation
O'Connor Safety provides rescue services, monitors work-site safety, evaluates and corrects workplace hazards. O’Connor Safety Corporation will provide Health and Safety representation in accordance with a facility or O’Connor safety protocol.
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Beacon Piping Company

Beacon Piping Company
Consistently ranked as one of Boston’s Top10 Mechanical firms. Beacon Piping company specializes in power and process piping, heating and cooling systems installations and plant maintenance to a variety of clients.
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