Proffesional Associations


Fields of Work

Bridge Construction

Gas Mains & Services Installation

Underground Electric Installation

Heavy Transportation Construction​


Heavy Excavations


Water, Sewer & Drainage Systems


Utilities, Pump stations

Milling, Paving, Road Work and Concrete​


Demolition and Site Work


Earth Protective Support Systems


Foul Weather Maintenance


Emergency Construction Service 24/7

We are delighted that you are visiting the CBI website to learn more about our unique and dynamic firm. For over thirty years the firm has been serving the construction and engineering needs of the citizens of the states of  New Jersey and lower New York.


Since its founding in 1986, the firm has and is dedicated to providing quality construction and engineering services, being a leader in the construction industry while exploring new construction techniques and methodologies and most importantly to support the construction and engineering industry in a professional and ethical manner with dedication to both the client and the industry.





Phone: (201) 440-1118
Fax: (201) 440-8282
Emergency line: (201) 440-1118 

Colonnelli Brothers, Inc.
409 South River Street

Hackensack, NJ 07601



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Corporate News



Thompson Avenue Bridge opened. Colonnelli Bros finished the work on Thompson Avenue bridge in Bridgewater and alleviate the traffic at the busy intersection. We worked hard in order to meet the deadline and were able to open the road before the the Holiday season.



Colonnelli Brothers continues work on Beaverdam Lake dam renovation. This        $ 4M project for the County of Orange, NY includes major reconstruction to the gravity dam spillway and crest. 


Berkeley Heights has a new bridge at Mountain Avenue. We were pleased to alleviate the traffic of Berkeley Heights with the newly reconstructed bridge on Mountain Avenue.


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© 2019 by Colonnelli Brothers, Inc.