NESEA Business Member Directory

The NESEA Business Member Directory includes all organizations that are NESEA Business and Academic Members.  Please let companies know that you learned about their business from the directory.

Select any desired filters, then click Apply to see the results.

Search Filters

Check boxes to limit your search to specific sectors
Check boxes to limit your search to a specific states
Check boxes to limit your search to specific specialties

Treehouse Design, Inc.

31 Poole's Ln.
Rockport , Massachusetts 01966
Phone: 978-546-8302

Treehouse Design was founded in 1990 to provide architectural and construction management services for the needs of the vibrant, historically-rich coastal communities of Cape Ann. Currently, our company employs 20 individuals with a broad range of skills and experience, from architects and interior designers to construction managers and cabinet makers. Our office and workshop is located in Rockport, MA, where we take on a broad range of projects, from individual furniture commissions to multi-unit housing developments. Our primary focus, however, is single-family residential design and construction.

Sectors: Multifamily, Single Family
Service Area: Massachusetts
Professional Specialties: Architecture, Carpentry/Cabinetry, Construction Management, Design/Build

Tri-Star Equities, Inc.

155 E 26th St.
New York , New York 10010
Phone: 212-751-4800

Tri-Star Equities has specialized in property management for small residential and commercial owners in Manhattan for over 25 years and has become a trusted advisor to many long–term clients. Our success in real estate management is due to personalized client services, in-depth market knowledge, strong relationships with vendors and professional service providers, and a passionate commitment to maintaining buildings at a high standard. At Tri-Star, our team consisting of property managers, building staff, and outside architects, engineers, and contractors work collaboratively to solve problems.

Sectors: Commercial, Multifamily
Service Area: New York
Professional Specialties: Property Management

Trillium Architects, LLC

409 Main St.
Ste. 14
Ridgefield , Connecticut 06877
Phone: 203-438-4540

We are a woman-owned and operated full service architecture and design firm. At Trillium we design intelligent quality architecture and we endeavor to cultivate beauty and delight. We are trained in and highly aware of aesthetics and the human spatial experience. We believe in designing houses that you would be proud to leave your grand children - as unique as the people who occupy them; as beautiful as the natural world that surrounds them.

Sectors: Single Family
Service Area: Connecticut
Professional Specialties: Architecture, Deep Energy Retrofit, Design/Build, Net Zero, Remodeling/Renovation

Truth Box, Inc.

460 Harris Ave.
Unit 104
Providence , Rhode Island 02909
Phone: 401-453-1300

We are a small architecture firm specializing in sustainable, energy-efficient design. We believe that high quality design and green building go hand-in-hand, and that higher performance does not necessarily mean higher costs. We work on a variety of project types - new single family homes, mill building renovations, new multi-family, and commercial buildings - and we particularly enjoy urban infill and re-purposing old buildings.

Sectors: Commercial, Industrial, Multifamily, Single Family
Service Area: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont
Professional Specialties: Affordable Housing, Architecture, Building Envelope, Design/Build, Development, Net Zero, Real Estate

Tufts University, Department of Civil and Environmental Engineering

Phone: 6176273522
Service Area:

Two Storey Building

89 Spectacle Hill Rd.
Bolton , Massachusetts 01740
Phone: 617-438-0313

Two Storey Building, started by brothers Doug & Bill Storey in 2001 in Bolton, Massachusetts, is a custom builder of fine, energy efficient, healthy homes, and remodeling projects including whole house remodeling, kitchen, bathroom and basement remodeling, home additions, sunrooms, and decks. Two Storey Building built the first Silver LEED certified home in Massachusetts, many Energy Star Certified and Stretch Code certified homes and Doug Storey has received the Certified Green Professional(CGP) designation from the NAHB. Two Storey Building is registered with the EPA and is a Lead Safe Certified Firm under the new Renovation, Repair and Painting (RRP) Guidelines issued by the EPA. Doug, Bill and Mat are all Certified Lead Renovators.

Sectors: Commercial, Single Family
Service Area: Massachusetts
Professional Specialties: Deep Energy Retrofit, Design/Build, Project Management, Remodeling/Renovation

UMass Amherst Building and Construction Technology Program

551 N. Pleasant St.
UMass / 210 Design Building
Amherst , Massachusetts 01003
Phone: 413-545-1860

The Building and Construction Technology (BCT) program at UMass Amherst prepares undergraduate and graduate students for successful careers in the building industry.

Sectors: Commercial, Institutional, Industrial, Multifamily, Single Family
Service Area: Massachusetts
Professional Specialties: Education, Research

Uncarved Block, Inc.

78 Carter Rd.
Becket , Massachusetts 01223
Phone: 413-464-2598

Uncarved Block is a design/build organization that combines historic building techniques with modern technology and an eye towards the artistic. We specialize in energy efficient structures primarily built with local wood and stone.

Sectors: Single Family
Service Area: Connecticut, Maine, Massachusetts
Professional Specialties: Deep Energy Retrofit, Design/Build

United Illuminating Company

157 Church St.
New Haven , Connecticut 06510
Phone: 203-499-2923

The United Illuminating Company (UI), Southern Connecticut Gas Company (SCG) and the Connecticut Natural Gas Company (CNG) are administrators of the residential, commercial, and industrial energy efficiency programs through the Energize Connecticut initiative. Energize Connecticut (SM) is an initiative dedicated to empowering Connecticut citizens to make smart energy choices, now and in the future. We provide Connecticut consumers, businesses and communities the resources and information they need to make it easy to save energy and build a clean energy future for everyone in the state. Energize Connecticut helps you save money and use clean energy.

Sectors: Commercial, Institutional, Industrial, Multifamily, Single Family
Service Area: Connecticut
Professional Specialties: Consumer Information, Energy Distribution, Incentives

  Industry Leader NESEA Member  

Unity Homes

6 Black Jack Crossing Rd.
Walpole , New Hampshire 03608
Phone: 603-756-3600

Unity is dedicated to building better homes for more people. We do this by using sophisticated technology and innovative prefabrication to streamline the process, minimize waste and guarantee performance.

Sectors: Single Family
Service Area: Connecticut, Delaware, Maine, Massachusetts, New Hampshire, New Jersey, New York, Rhode Island, Vermont
Professional Specialties: Design/Build, Prefab/Modular

University of Maine at Augusta Bachelor of Architecture Program

Handley Hall, 331, Water St.
Augusta , Maine 04330

The University of Maine at Augusta’s Architecture program is rooted in three essential elements. The first is the mission to engage community; this is where our work takes place. The second is the desire to work in collaboration, both within and without the university; this is what allows us to affect positive change. And the third is seen in our curriculum; it is based in the idea of being “grounded in real”. These are the tools we use to affect our collective built environment.

Sectors: Commercial, Institutional, Industrial, Multifamily, Single Family
Service Area: Maine
Professional Specialties: Education

Urban Habitat Initiatives Inc.

328A Tremont St.
Boston , Massachusetts 02116
Phone: 617-423-5566

Urban Habitat Initiatives is a leading independent consulting firm focused on advancing sustainability in multifamily housing. We offer green project management services to owners and developers from early strategies through development and construction to measuring results. Kim Vermeer, President, is a frequent speaker, educator, and author.

Sectors: Multifamily
Service Area: Massachusetts
Professional Specialties: Consulting, Energy Modeling, Project Management


The NESEA Business Member Directory is the premier referral resource for consumers and professionals looking for high-performance building and renewable energy professionals in the Northeast.

A listing in this directory is a benefit of NESEA Business or Academic Membership that results in increased visibility and referrals for our member organizations. The NESEA Business Member Directory is published online and in print (fall issue of BuildingEnergy magazine, circulation 3750). If you would like to be included in the directory, join NESEA today as a business member. Learn more.