Firm Profile

Firm Profile

Engineers with the Souls of Architects

A Small Business Enterprise (SBE) with decades of MEPF engineering experience, Altieri is a renowned leader in the design and seamless integration of environmentally responsible systems within architecturally challenging environments. Architects and building owners trust Altieri to make their bold visions work.

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Norwalk Office
Boston Office
Boston Office

Altieri has provided mechanical, electrical, plumbing, and fire protection (MEPF) engineering design services to architects and building owners for 65 years.

Our industry leadership is the result of successfully meeting complex design challenges for institutional environments including museums, theatres, education and community buildings, and private residences requiring highly controlled systems.

collective years of Altieri experience
Women and Minority employees
states where employees are licensed PEs

The firm has twice been awarded the Architectural Engineering Institute (AEI) Most Innovative Project for design creativity

From the very beginning, our purpose has been to support our clients by engineering creative solutions that make their bold visions work. Whether supporting new construction or the revitalization of existing buildings, we are known for prioritizing project goals, honoring architectural integrity, valuing early engagement and ongoing collaboration, and seamlessly integrating maintainable and sustainable systems. Our work is valued by distinguished award-winning architects who have sought our imagination and expertise over many decades and recognized industrywide with significant honors for innovation.

Corning Museum of Glass Contemporary Art + Design Wing
© James Ewing

2020 Most Innovative Project Under $100M, Architectural Engineering Institute

Glenstone Passage In The Pavilions 2
© Iwan Baan

2022 Most Innovative Project Over $100M, Architectural Engineering Institute

“Altieri’s leadership and team care deeply about the institutions they serve. They are committed to making their work contribute to the success of our mission.”

Robert Williams, OAA, FRAIC, American Museum of Natural History, New York


It has long been our mission to meet design challenges with solutions that set the pace for a sustainable future. Joined by other MEP signatories, Altieri is supporting the Carbon Leadership Forum’s MEP 2040 Challenge – advocating for and achieving net zero carbon in our projects. Altieri projects seek sustainability certifications including Net Zero, LEED, and SITES.

Rockefeller Creative Arts Center
The David Rockefeller Creative Arts Center completed in 2022 achieved LEED Platinum with 88 points making it the highest-scoring LEED v4 BD+C New Construction in NY State and tied for the third highest scoring LEED v4 BD+C New Construction in the country. © John Muggenborg/NYT


Throughout our distinguished history, a diverse and collaborative workforce has afforded us the ability to be nimble, imaginative, and innovative. Core Values guide Altieri’s aspirations and are embedded in all aspects of the firm practices. Employee-led Initiative Teams enable us to consider new perspectives and approaches. We embrace change and continually work to strengthen the industry, our staff, and work product.

2024 Core Values

Our Team

Altieri’s five most senior Principals have an average of over 30 years’ experience in creative engineering design for a comprehensive range of building programs; our newest Principals average over 16 years’ experience. Multi-disciplinary studios consisting of Mechanical, Electrical, Plumbing, and Fire Protection Engineers are strengthened by the considerable experience and knowledge of our Principals, Associates and Project Managers. When staffing a project, we prioritize team continuity, ensuring complete attention and accountability of every team member from the beginning to the end of a project, and sometimes beyond.

By any measure, a remarkable team

Education. Certifications. Experience. Diversity. Personality. Interests. No matter how you look at the Altieri team, you find a fascinating mix of backgrounds that come together in collaborative project teams to solve the most complex and ambitious engineering challenges.
Remarkable Team 2
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Remarkable Team 1
Top Workplaces Ribbon
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Remarkable Team 1
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