
Customers
Quality Performance = Quality Results
Reputation builds upon itself through performance, and it’s our reputation that keeps our customers happy. As a result, they are willing to hire us back to meet the next set of challenges.
Working with these customers, Brennan has honed our skills on multiple projects with unique circumstances and requirements, i.e hospitals and universities, with tight work spaces, strict schedules and specific environmental needs.
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Additionally, Brennan performs services for various local Municipalities, including:
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Ansonia, CT
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Bridgeport, CT
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Derby, CT
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Naugatuck, CT
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New Haven, CT
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Norwalk, CT
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Oxford, CT
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Shelton, CT
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Seymour, CT
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Southington, CT
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Stratford, CT
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Wallingford, CT
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West Haven, CT
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Weston, CT
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Westport, CT

Major Customers include:
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Aquarion Water
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Avangrid/Iberdrola - United Illuminating
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Clean Harbors
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Connecticut Water Company
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Dimeo Construction Company
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Eversource
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First Taxing District of Norwalk
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Gilbain Building Company
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Greater New Haven WPCA
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Lockheed Martin
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GBII Connecticut New York LLC
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Regional Water Authority
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Republic Services/ACV Enviro
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Skanska USA Building
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State of Connecticut
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Department of Administrative Services​
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Department of Transportation
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Southern CT Gas
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Turner Construction Company
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Yankee Gas