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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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The Leaders Co-Lab

PO Box 543
Tully , New York 13159
Phone: (315) 427-0263

We are a network of conscious, inspired innovation and change leaders who desire to make a difference in our world. We are interested in increasing awareness of self in service of our collective reality so that we may begin to bring our authentic self in all we do, live a more joyful and fulfilling life, and create a better world. Our consulting, coaching, and learning programs enable people at all levels to shift toward a more conscious and collective way of leading, one that more effectively leverages the strengths of individuals and their commitment to the success of the whole. Collective Leadership boosts collaboration, builds organizational agility and resilience, and creates deeper engagement with customers/stakeholders.

Sectors:
Service Area: Entire Northeast Region
Professional Specialties: Consulting, Education

The Turett Collaborative

277 Broadway, Studio 1300
New York , New York 10007
Phone: (212) 965-1244 ext. 413

Established in 1991 by Founder and Principal Wayne Turett, The Turett Collaborative is a diverse, environmentally-conscious, modern architecture and interior firm based in Tribeca. The firm’s portfolio of work over three decades reflects its longstanding commitment to green building and design, advocating for innovative and sustainable solutions across both commercial and residential projects. In addition to the NESEA, the firm is a USGBC member organization. A licensed, LEED-credentialed architect, Turett is also an active member of ADPSR, which works for peace, environmental protection, ecological building, and social justice.

Sectors: Commercial, Institutional, Multifamily, Single Family
Service Area: Connecticut, New Jersey, New York
Professional Specialties: Architecture/Design, Community Planning, Consulting, Deep Energy Retrofit, Historic Restoration, Interior Design, Passive House

The Valle Group

70 E Falmouth Hwy. Ste. 3
East Falmouth , Massachusetts 02536
Phone: (508) 548-1450

The Valle Group sets the standard for thoughtfully planned communities in southern New England. The company's special expertise is planning and creating communities of quality, energy-efficient homes and building and remodeling for homeowners.

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

  Industry Leader NESEA Member  

Thornton Tomasetti

14 York St., Ste. 201
Portland , Maine 04101
Phone: (207) 245-6060

Thornton Tomasetti collaborates on the design of sustainable buildings to provide innovative solutions that greatly reduce operational and embodied carbon and contribute to more resilient buildings and communities. Using whole building environmental and advanced energy analysis, we’ll help you make sure your buildings are performing at the highest level for optimal operational performance and occupant comfort. Our multidisciplinary staff consults on green building certifications, including Passive House Certification, Net Zero Energy Buildings, Living Building Challenge design, Embodied Carbon Optimization, and BECx Commissioning.

Sectors: Commercial, Institutional, Industrial, Multifamily
Service Area: Entire Northeast Region
Professional Specialties: Certification/Commissioning, Consulting, Energy Auditing, Energy Modeling, Engineering, Net Zero, Passive House

Thoughtforms

525 Massachusetts Ave., Ste. 204
Acton , Massachusetts 01720
Phone: (978) 263-6019

Thoughtforms Corporation specializes in building high-end custom homes and unique institutional buildings in eastern Massachusetts. Clients trust Thoughtforms to deliver custom quality in a transparent and informative way and to be a long term partner. The quality clients expect extends far beyond the level of finish and what can be seen in the here and now and includes the health and comfort of the indoor environment, energy use, durability, and technology, among other elements.

Sectors: Institutional, Single Family
Service Area: Massachusetts, New Hampshire
Professional Specialties: Carpentry/Cabinetry, Construction Management, Consulting, Passive House, Remodeling/Renovation

TimberHomes Vermont

21 Fork Rd.
Montpelier , Vermont 05602
Phone: (802) 685-7974

We specialize in designing and building natural, soulful, resilient and energy efficient homes, timber frames, tree forms, scribe work, Vermont materials, net zero homes, timber framed solar pavilions, barns & outdoor structures, spiral stairs & compound roofs.

Sectors: Single Family
Service Area: Vermont
Professional Specialties: Construction Management, Design/Build, Net Zero, Timber Framing

  Midsize NESEA Business Member  

TimberHP

1 Main St.
Madison , Maine 04950
Phone: (508) 651-6897

TimberHP by GO Lab, Inc. is a privately held, Maine-based building products corporation founded in 2017 to develop and manufacture wood fiber insulation for the residential and light commercial construction markets. Wood fiberboard, batt, and blown-in high-performance insulation products are vapor open, renewable, recyclable, nontoxic, carbon sequestering, and, when manufactured here in America, cost-competitive with other popular insulation products. In 2023, GO Lab will become one of the first companies to make wood fiber insulation in North America at its manufacturing facility in Madison, Maine.

Sectors: Commercial, Institutional, Industrial, Multifamily, Single Family
Service Area: Entire Northeast Region
Professional Specialties: Insulation, Research

Timeless Architecture

147 School St.
Milton , Massachusetts 02186
Phone: (617) 696-6448

Mr. MacLean is an architect, educator, and licensed builder who began his career as a project manager with a number of large architectural firms in Boston before he started his own firm, Timeless Architecture, in 1988. He has been promoting and teaching green design for 35 years, beginning with the Boston Society for Architecture, where he served as co-chair of the Committee on the Environment (COTE), a sub-committee that promotes sustainable design in the New England Region. He has taught and developed ongoing curricula at the Boston Architectural College, Sustainable Design Institute, and Master’s program, as well as Wentworth Institute of Technology.

Sectors: Commercial, Institutional, Multifamily, Single Family
Service Area: Massachusetts
Professional Specialties: Architecture/Design, Design/Build, Historic Restoration, Net Zero, Remodeling/Renovation

Town of Needham

500 Dedham Ave
Needham , Massachusetts 02492
Phone: (781) 455-7550 ext. 347

The Building Design and Construction Department of the Town of Needham supports the Permanent Public Building Committee (PPBC). It helps advise and support the town manager on facility construction, planning, and operational needs. Town-owned building projects with a total cost of $500,000 or more that involves construction, reconstruction, enlargement, or alteration are assigned to PPBC to oversee unless the committee defers jurisdiction in the instance where a project includes little or no actual building construction.

Sectors: Institutional
Service Area: Massachusetts
Professional Specialties: Consulting

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

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. 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 are based in Rockport, MA, where we take on a variety of residential projects. Our core focus is the design and construction of custom single-family homes, with a strong emphasis on sustainability, climate resilience, and enduring craftsmanship. We’re committed to building homes that are not only beautiful and functional, but also responsive to their environment and built to last

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

  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

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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.