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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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Women/Minority Business Enterprise
Organizations self-identifying as having 50% or more Women or BIPOC owners.
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Studio G Architects

179 Boylston St.
Jamaica Plain, Massachusetts 02130
(617) 524-5558

Studio G Architects is a women-owned architecture and planning firm based in Boston, nationally recognized for our leadership in sustainable and regenerative design. We create healthy, high-performance buildings that not only reduce carbon and conserve resources but also restore ecosystems and enhance community well-being. With in-house Certified Passive House Consultants, we bring deep expertise in delivering energy-efficient, climate-resilient buildings that meet and exceed performance goals. Our work spans schools, housing, and civic spaces, all grounded in the principles of environmental, social, and economic sustainability.

WMBE: Women or BIPOC Owned

Sectors: Commercial, Institutional, Industrial, Multifamily

Service Area: Massachusetts, Rhode Island

Professional Specialties: Architecture/Design

Studio HPDC

151R Adams St
Newton, Massachusetts 02458
(301) 202-4337

The Studio for High-Performance Design + Construction (Studio HPDC) provides training and education in High-Performance, Net Zero, and Passive House design and construction. Housed in a state-of-the-art Passive House facility, Studio HPDC is a classroom and educational center for sustainable design & construction. We develop and host training courses for students, tradespeople, and architects at all experience levels, ranging from introductory sessions and overviews to hands-on workshops and certification programs. In addition to training courses, we host regular networking and discussion group events and provide resources for all those interested in sustainable construction.

WMBE: Women or BIPOC Owned

Sectors: Institutional, Multifamily, Single Family

Service Area: Massachusetts

Professional Specialties: Building Envelope, Carpentry/Cabinetry, Design/Build, Education, Net Zero, Passive House

Sublime Windows

475 West Shepard Avenue
Hamden, Connecticut 06514
(413) 829-7923

Sublime Windows is making the most energy efficient, European-style, triple-pane windows available to the Northeastern US. All of our products have been carefully designed to optimize real-life performance for our specific climate. With a solid understanding of building science, energy modeling, architectural detailing, and construction techniques related to energy efficient buildings, we offer superior products, support and service.

Sectors: Commercial, Institutional, Industrial, Multifamily, Single Family

Service Area: Connecticut, Delaware, Maine, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Vermont

Professional Specialties: Windows

Sunwood Builders

84 Potwine Ln.
Amherst, Massachusetts 01002
(413) 259-1000

Sunwood Builders proudly serves the Pioneer Valley, including Amherst, Hadley, South Hadley, Leverett, Granby & Northampton. We specialize in building distinctive luxury homes architecturally suited for placement within Pioneer Valley's historic towns and surrounding communities. Creating a new custom home is an intensely personal experience, and we work hard to ensure that the home we build for you reflects your own values, needs, and lifestyle. Our years of collective experience and expertise as a custom home builder ensure you have a knowledgeable, personal guide all the way through the home design and build process.

Sectors: Single Family

Service Area: Massachusetts

Professional Specialties: Construction Management, General Contractor, Remodeling/Renovation

Superior Co-Op HVAC

2531 State Route 22
Cambridge, New York 12816
(518) 719-5614

Superior Co-Op HVAC is a veteran-owned Mitsubishi Diamond Contractor Elite located in NY, just a few miles from Vermont. Our mission is to provide heat pump solutions in Vermont and the entire capital region of New York, including the Adirondacks, to eliminate the use of fossil fuels. Mitsubishi Hyper Heat Pumps can easily heat and cool their home or business, even when temperatures outside dip to -13F, without the help of any backup heating. Our commitment is to help our customers save on their energy bills and reduce energy consumption with practical HVAC solutions, quality products, and efficient service.

Sectors: Commercial, Multifamily, Single Family

Service Area: New York, Vermont

Professional Specialties: Geothermal, HVAC, Incentives, Indoor Air Quality, Mechanical Systems, Net Zero, Water Heating

Sustainable Comfort

55 Linden St.
Worcester, Massachusetts 01609
(508) 713-6680

Sustainable Comfort is a consulting, development, and property management firm with expertise in energy-efficient multifamily housing. SCI specializes in ENERGY Star homes, LEED for homes, Enterprise Green Communities, Passive House, HERS Rating, state incentive programs, and code compliance. We are a small group who believe that through better construction practice and management, we can help developers, architects, contractors, and residents achieve healthier, resilient, and sustainable multi-family buildings. Our vision is to move the multi-family market to conscious development and management that results in sustainable buildings that support the people who build them and call them home, and the communities that surround them.

Sectors: Multifamily

Service Area: Connecticut, Maine, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Vermont

Professional Specialties: Affordable Housing, Building Envelope, Carpentry/Cabinetry, Certification/Commissioning, Community Planning, Construction Management, Consulting, Deep Energy Retrofit, Development, Energy Modeling, General Contractor, HERS Rater, Incentives, Living Building Challenge, Net Zero, Passive House, Property Management, Real Estate, Remodeling/Renovation

Sustainable Energy Analytics

440 Totten Pond Rd., Suite 201
Waltham, Massachusetts 02451
(781) 790-5718

Sustainable Energy Analytics is a service company centered on energy efficiency and resiliency in the residential new construction sector. Our current product set includes HERS Ratings, LEED Certifications, Phius Certifications and testing, energy code compliance/verification, Mass Save incentive program support, various energy, air, and resiliency certifications, building science consulting, HVAC equipment & building envelope testing, and premium energy audits. We offer our services primarily in eastern Massachusetts, with occasional projects in the New England region.

Sectors: Multifamily, Single Family

Service Area: Massachusetts

Professional Specialties: Building Envelope, Consulting, Energy Auditing, Energy Monitoring and Management, HERS Rater, HVAC, Indoor Air Quality, Insulation, Net Zero, Passive House

Sustainable Performance Institute (SPI)

1089 Commonwealth Ave., #374
Boston, Massachusetts 02215
(760) 650-2227

SPI’s Roadmap to Continuous Improvement makes it easier for your company to go from “random acts of sustainability” to true capability to deliver consistent, high quality sustainability to your clients. Many organizations have some programs and successes but need a sharper focus, measurable goals, and a strategic implementation plan. As a respected 3rd party, we can help streamline the process and provide that outside push needed to keep efforts on track. We help companies align their mindset, culture, and capability to achieve better performance and profitability.

Sectors: Commercial, Institutional, Industrial, Single Family

Service Area: Connecticut, Delaware, Maine, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Vermont

Professional Specialties: Certification/Commissioning, Consulting

Swegon North America

3 Keensford Ct., Unit 1
Ajax, Ontario L1Z 0K4
(612) 685-6519

Swegon is a global leader in indoor environment solutions, providing ventilation, heating, cooling, and climate optimization systems, alongside smart controls and technical support for healthy, comfortable, and energy-efficient buildings. They offer a comprehensive range of products like air handling units, chilled beams, and diffusers, focusing on flexible, sustainable, and connected solutions to improve well-being and productivity in commercial and industrial spaces worldwide.

Sectors: Commercial, Institutional, Industrial, Multifamily

Service Area: Connecticut, Delaware, Maine, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Vermont

Professional Specialties: Energy Monitoring and Management, HVAC, Indoor Air Quality

Symmetry Electric

244 Cedar St., #3
Somerville, Massachusetts 02145
(781) 738-6180

Symmetry Electric is a Boston-based electrical shop focused on bringing a new level of communication and quality to a wide range of residential and select commercial projects in and around the city. With over 20 years of electrical experience, Master Electrician Matt Doremus started Symmetry to provide Boston area architects, builders, contractors, and homeowners with an electrical contractor committed to partnership and excellence.

Sectors: Commercial, Single Family

Service Area: Massachusetts

Professional Specialties: Electric/Hybrid Vehicles, Electrical, Lighting, Net Zero

Synergy Contracting

12 Osgood St.
Lawrence, Massachusetts 01843
(978) 307-2200

Here at Synergy Contracting Inc., we understand the importance of hiring the right company to help you succeed. A company that’s experienced, dependable, and has clear and constant communication with you at every phase of your project. We have the latest technology, tools, and experience to deliver the highest standards. We specialize in Environmental Remediation, Demolition, Painting, Final Cleaning, Labor Support, and Construction Services. We’re WBE, MBE, DBE, and LGBTBE Certified. Our teams of knowledgeable professionals are here to complete your project on time. Our goal is to exceed your expectations. Just give us a call – We’ll take care of the rest.

WMBE: Women or BIPOC Owned, BuildingEnergy Access Program Participant

Sectors: Commercial, Institutional, Industrial, Multifamily

Professional Specialties: General Contractor

Taitem Engineering

110 S Albany St.
Ithaca, New York 14850
(607) 277-1118

Taitem Engineering is a full-service consulting engineering firm at the forefront of innovative, sustainable design and building science. During 35 years of continuous operation, Taitem has continued to expand its offerings in energy efficiency and net-zero energy, leading the market while maintaining its commitment to its mission, as reflected in its name, “Technology As If The Earth Mattered.” The team carefully works with emerging technologies to determine their real-world value. As a B-Corp, our work has a measurable impact on people’s lives and contributes to improvements to industry best practices to help achieve carbon reduction goals.

Sectors: Commercial, Institutional, Industrial, Multifamily

Service Area: Maine, Massachusetts, New York, Pennsylvania, Vermont

Professional Specialties: Certification/Commissioning, Deep Energy Retrofit, Energy Modeling, Geothermal, HVAC, Net Zero, Passive House