NESEA Business Member Directory

The NESEA Business Member Directory includes all organizations that are NESEA Business, Academic, and Non-Profit/Government Members.  Please let people know that you learned about their services from the directory.

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Tree Nail

PO Box 312
Keene , New York 12942
Phone: (518) 576-4652

Tree Nail is rooted in a motivation to build with a high level of craft and environmental consciousness. We have branched out to form a hardworking team of creative and conscientious problem solvers. The culture that sustains Tree Nail is a fertile cycle of collaboration among great people committed to great results. Our specialties are new homes, renovations, timber frames, and woodwork for the Adirondacks.

Sectors: Single Family
Service Area: New York
Professional Specialties: Carpentry/Cabinetry, Design/Build, General Contractor, Remodeling/Renovation, Timber Framing

  Midsize NESEA Business Member  

Trillium Architects Co-Operative, Inc.

16 Bailey Ave.
Ridgefield , Connecticut 06877
Phone: (203) 438-4540

We are a woman-owned and operated full-service, 12 person architecture firm. As of 2024 we are also a Co-operative. At Trillium, we design intelligent, highly energy efficient and sustainable architecture and endeavor to cultivate beauty and delight. We are trained in - and keep apprised of - cutting edge building enclosure deign, ventilation, carbon and energy. We believe in designing houses that you would be proud to leave your grandchildren - as unique as the people who occupy them and as beautiful as the natural world that surrounds them.
We also have a branch company called SEED Homes that specializes in small Net Zero Modular homes and we are currently working on developing affordable and sustainable multi family housing.

Sectors: Commercial, Multifamily, Single Family
WMBE: Women or BIPOC Owned
Service Area: Connecticut, New Jersey, New York
Professional Specialties: Affordable Housing, Architecture/Design, Building Envelope, Community Planning, Deep Energy Retrofit, Design/Build, Development, Healthy Materials, Historic Restoration, Insulated Concrete Forms (ICF), Insulation, Interior Design, Net Zero, Passive House, Prefab/Modular, Project Management, Remodeling/Renovation

TruFund Financial Services

39 West 37th St.
New York , New York 10018
Phone: (917) 449-1220

Our mission is to promote and foster economic development within underserved communities and among disadvantaged populations. TruFund achieves this by providing innovative financial solutions that have TruImpact, revitalize communities, and create jobs. As a nonprofit, mission-driven entity, TruFund offers affordable loan capital to small businesses and nonprofit organizations that are financially viable but have difficulty accessing capital from banks or other conventional lenders. TruFund was established in 2005 as a national nonprofit organization that advances economic opportunity for people, businesses, and communities in need.

Sectors: Commercial, Institutional, Industrial, Multifamily, Single Family
WMBE: Women or BIPOC Owned
Service Area: New York
Professional Specialties: Finance

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 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/Design, Building Envelope, Design/Build, Development, Net Zero, Real Estate

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, high performance, 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. Doug, Bill, Mat, and Camden are all Licensed Construction Supervisors and have taken OSHA 10-hour safety classes as well as the RRP class.

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.
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. Academic programs offered:
Building and Construction Technology
Sustainable Building Systems
Sustainable Building Construction
Professional Education courses

Sectors: Commercial, Institutional, Industrial, Multifamily, Single Family
Service Area: Entire Northeast Region
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, New Hampshire, New York, Vermont
Professional Specialties: Building Envelope, Carpentry/Cabinetry, Construction Management, Deep Energy Retrofit, Design/Build, General Contractor, Net Zero, Passive House, Project Management, Timber Framing

United Energy Advisors

Map 366 Fifth Avenue, Suite 503
New York , New York 10001
Phone: (917) 734-2222

United Energy Advisors is a leading construction management firm specializing in enhancing the energy efficiency, decarbonization, and sustainability of existing commercial and multifamily buildings. Our team of experts is dedicated to transforming existing structures into models of sustainability, reducing carbon footprints, and maximizing energy efficiency. With a focus on practical solutions and proven methodologies, we partner with building owners and stakeholders to achieve tangible results that benefit both the environment and the bottom line. Join us in the journey towards a greener, more sustainable future for our built environment.

Sectors: Commercial, Institutional
Service Area: New Jersey, New York
Professional Specialties: Construction Management, Energy Auditing, Energy Monitoring, Project Management

  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 use 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

  Midsize NESEA Business Member  

Utile Architecture & Planning

115 Kingston St.
Boston , Massachusetts 02131
Phone: (617) 423-7200

We thrive on solving complex urban problems intelligently and pragmatically. From theoretical issues that frame policy to the practical implementation of architectural commissions, we develop a rigorous, research-based approach to finding the best answers. Our work yields fresh ways to think about how we develop and build our cities, presented with useful, compelling clarity (it’s why we’re called Utile).

Sectors: Commercial, Institutional, Industrial, Multifamily
Service Area: Massachusetts, Rhode Island
Professional Specialties: Architecture/Design

Valley Home Improvement

340 Riverside Dr.
Northampton , Massachusetts 01062
Phone: (413) 584-7522

Valley Home Improvement is a residential design/build remodeling company that has served the Pioneer Valley for over thirty years. We offer a single point of accountability throughout the design process. We help our clients solve simple and complex design issues to create spaces of lasting beauty and comfort. We serve clients within a 30-mile radius of Northampton, MA.

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

Van Zelm Engineers

10 Talcott Notch Rd.
Farmington , Connecticut 06032
Phone: (860) 284-5064

Since 1930, van Zelm Heywood & Shadford has been devoted to planning, studying, and designing mechanical and electrical systems for the built environment. With projects ranging in size from small studies to significant designs, we work for clients, including internationally renowned architects, major corporations, and world-renowned institutions. Long a proponent of sustainable design, van Zelm supports the growing global commitment to environmental conservation. We are proud to have contributed to the design of award-winning Living Building Challenge projects and LEED-certified buildings that have verified Gold and Platinum level energy conservation and efficiency.

Sectors: Institutional, Industrial
Service Area: Connecticut, Delaware, Maine, Massachusetts, New Jersey, New York, Pennsylvania, Rhode Island, Vermont
Professional Specialties: Certification/Commissioning, Electrical, Energy Modeling, Energy Monitoring, Engineering, Living Building Challenge, Mechanical Systems

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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 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 3500). If you would like to be included in the directory, join NESEA today at one of our organization membership levels. Learn more.