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Founded in 1949 by the Cianchette Brothers, Cianbro is one of America’s largest, employee-owned, open shop, construction and construction services companies.

Over 70 Years of Experience

Throughout our 70+ year history, Cianbro has safely and efficiently planned, managed, and constructed many technically complex, historic, and environmentally sensitive projects for a wide variety of public and private clients across the United States.

A total commitment to safety combined with the enthusiasm of an innovative team of construction professionals, has enabled Cianbro to build a durable reputation for completing projects safely, on schedule, and within budget.

Two team members Welding
1946
1946
Carl Cianchette starts his construction operation, Carl E. Cianchette Contractor.
1951
1951
The Cianchette Brothers, Inc. lands subcontract for Loring Air Force Base in Limestone, Maine. The brothers add three bulldozers, a low-bed truck, a power shovel, and 13 Ford trucks.
1955
1955
The Chinbro Beam Clamp and Chinbro Pipe Grab are invented making setting steel and placing pipe more efficient.
1967
1967
Cianchette Brother, Inc. acquires E.C. Snodgrass, which adds heavy industrial and marine capabilities to the company's portfolio.
1967
1969
Cianchette Brothers, Inc. assembles a 400-foot crane at Bath Iron Works in Bath, Maine, capable of lifting 300-ton loads. At the time, the crane was considered largest in the Western Hemisphere.
1967
1970
Cianchette Brothers, Inc. becomes Cianbro Corporation.
1973
1972
Carl Cianchette merges his hot-mix asphalt and ready-mix concrete business with Cianbro Corporation.
1976
1976
Cianbro expands into the pulp and paper market with Lincoln Pulp & Paper.
1979
1979
The Cianchette brothers decide to transfer ownership of the company to the team members. A plan was put into place to allow team members to acquire ownership by using company profits allocated to them by way of the profit-sharing plan.
1979
1979
With its first major contract outside of the Northeast, at the Great Bridge, Virginia, Cianbro expands into the Mid-Atlantic region.
1982 Southern New England Office
1982
Cianbro expands into the southern New England region.
1982
1982
Cianbro completes its new corporate office in Pittsfield, Maine, turning a decrepit downtown business block into an ultra-modern headquarters.
1983
1983
Cianbro receives Congressional Record for the rehabilitation of the Woodrow Wilson Bridge in Washington, D.C. Because the project was completed seven-and-a-half months ahead of schedule, Cianbro received a $1.42 million bonus.
1987
1987
Cianbro develops the full-body construction harness and adopts 100 percent tie-off.
1990
1990
Cianbro expands fabrication and coating capabilities in Pittsfield, Maine.
Pete Vigue
1991
Pete Vigue becomes President of Cianbro Corporation. At the time, Pete had worked for Cianbro for 21 years, working his way up the company ladder.
1996
1996
Cianbro begins the Wellness Program to support team members and their families in their wellness efforts.
Employee Owned
2003
Cianbro becomes 100 percent employee-owned. As employee-owners, team members contribute to the company's value and profitability while also sharing financially in the value created.
Air Force Memorial
2006
Cianbro constructs United States Air Force Memorial in Arlington, Virginia.
Peter "Andi" Vigue
2009
Peter "Andi" Vigue becomes President of Cianbro Corporation.
Starcon Logo
2010
Cianbro acquires Starcon International, a full-service contractor offering comprehensive industrial and mechanical services in the refining, chemical, natural gas processing, and food and beverage industries.
Eastern Maine Manufacturing facility
2011
Cianbro constructs and ships 51 modules for Crude Expansion Project for Motiva in Port Arthur, Texas.
2013
2013
Cianbro commits to Beyond Zero - creating an environment where our team goes home in better condition than they arrived at work.
Transmission line team member
2015
Cianbro completes MPRP - Central Loop, a 230 mile transmission line project throughout central Maine.
2016
2016
Cianbro applies a company-wide focus on Lean principles, engaging teams to build a plan for the work and continuously seek ways to improve upon that plan and increase efficiency until the project is complete.
Cianbro Institute
2017
Cianbro unveils a new workforce development center for the Cianbro Institute in Pittsfield, Maine.
OSHA VPP
2017
Cianbro joins an elite group of approved participants in OSHA's Star Mobile Workforce Voluntary Protection Program (VPP).
Pittsfield Solar
2017
Cianbro commissions New England's largest solar array with 40,300 panels installed on 57 acres.
Pete and Andi shake hands
2018
Peter "Andi" Vigue is appointed the CEO and President of The Ä¢¹½TVÏÂÔØ.
ABC AQC Proud to be an Accredited Quality Contractor
2018
Cianbro is recognized and honored by the Associated Builders and Contractors, Inc. (ABC) as an Accredited Quality Contractor (AQC) for our commitment to excellence in construction, our workforce, and the communities we help build.
Two AZ Team members
2019
Cianbro acquires A/Z Corporation, a Connecticut-based engineering-construction firm providing diverse industry services, including design, construction, maintenance, and energy management, focusing on technology-oriented markets.
2022
Cianbro acquires R. C. Stevens, one of Florida’s oldest and most experienced construction leaders. The company is a full-service design and builder, construction manager, and general contractor specializing in commercial, financial, healthcare and process manufacturing projects.
Read more about Cianbro's First 50 Years

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Employee-Ownership±á³§·¡Ìý³¢±ð²¹»å±ð°ùOur HistoryVision, Mission, & ValuesCareer DevelopmentQuality

What We Do

BuildingIndustrial & ManufacturingInfrastructureModular ManufacturingPower & EnergyStarconÄ¢¹½TVÏÂÔØ

Contact Us

Our Offices
Corporate Headquarters
P.O. Box 1000
Pittsfield, ME 04967
207-487-3311
info@cianbro.com

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