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.

Policy on Appropriate Use

To maintain the integrity of this valuable network, it is important to ensure that our member information is protected and used responsibly. Before accessing the membership directory, please review our policy on appropriate use.

Search Filters

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

Check boxes to limit your search to specific sectors
Check boxes to limit your search to a specific states
Search for listings that include these words or a quoted phrase
Check boxes to limit your search to specific specialties

Pioneer Valley Habitat for Humanity

140 Pine St., PO Box 60642
Florence , Massachusetts 01062
Phone: (413) 586-5430

Working with our many partners, Pioneer Valley Habitat for Humanity builds strength, stability, and self-reliance through affordable homeownership in Hampshire and Franklin Counties. We are an affiliate of Habitat for Humanity International, an ecumenical organization that envisions a world where everyone has a decent place to live.

Sectors: Single Family
Service Area: Massachusetts
Professional Specialties: Affordable Housing, Design/Build, Social Services


96 Penhallow St.
Portsmouth , New Hampshire 03801
Phone: (603) 319-8199

Placework is an architecture studio located in Portsmouth, NH. Our mission is to create a transformative design to benefit people and the planet. Our approach is regenerative, seeking opportunities to elevate the human experience and promote ecological well-being. As a Certified B Corporation, Placework has demonstrated the highest verified standards of social and environmental performance, transparency, and accountability. We are leading the shift from a “do less harm” paradigm to one that creates a just and healthy future for all.

Sectors: Commercial, Institutional, Single Family
WMBE: Women or BIPOC Owned
Service Area: Maine, Massachusetts, New Hampshire, Vermont
Professional Specialties: Architecture/Design, Net Zero, Remodeling/Renovation

Positive Trace Architecture, PLLC

203 Wellesley Rd
Syracuse , New York 13207
Phone: (315) 559-4369

Passive House and high-performance building consulting for architects and project teams. If you want to build long-lasting, durable, and low-maintenance buildings that will stay beautiful and healthy, understanding the building science implications of assemblies and detail is critical. Positive Trace can help with in-depth knowledge of building science applicable to multiple building types and assemblies and WUFI analysis capability to aid in decision-making and detailing your project.

Sectors: Multifamily, Single Family
WMBE: Women or BIPOC Owned
Service Area: New York
Professional Specialties: Architecture/Design, Building Envelope, Consulting, Deep Energy Retrofit, Energy Modeling, Net Zero, Passive House, Remodeling/Renovation

Public Service Solar, LLC

1631 South Olden Ave.
Trenton , New Jersey 08610
Phone: (609) 425-6318

In your home or on the phone, we can analyze your current consumption and show you how you can choose to take advantage of the full power of the Sun's energy and break away from the lifetime debt of your electric bill! We walk you through verifying as the homeowner, submitting your utility application, and setting up an on-site home inspection. We are with you every step of the way, from installation and beyond!

Sectors: Commercial, Institutional, Industrial, Multifamily, Single Family
Service Area: Connecticut, Delaware, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island
Professional Specialties: Consulting, Design/Build, Electrical, General Contractor, Photovoltaics, Project Management, Roofing

Quartersawn Construction LLC

64 Baker Hill Rd.
Bridgewater , Vermont 05035
Phone: (802) 332-5531
Sectors: Single Family
Service Area: Vermont
Professional Specialties: Carpentry/Cabinetry, General Contractor

R.W. Sullivan Engineering

529 Main St. Suite 203
Boston , Massachusetts 02129-1107
Phone: (617) 523-8227

As one of the leading engineering companies in Boston and throughout New England for 75 years, we are also proud to serve our clients nationally and internationally. Now in its third generation of leadership under President Paul D. Sullivan, PE, LEED AP, R.W. Sullivan Engineering has maintained the tradition of high quality technical engineering that the firm has represented for over seven decades. Our office is located at the Schrafft's City Center in Boston, MA, where we employ 95+ engineers, designers, and staff who proudly maintain the values that have successfully identified the company for 75 years. Our LEED Accredited Professionals constitute the majority of our design team.

Sectors: Commercial, Institutional, Industrial
Service Area: Entire Northeast Region
Professional Specialties: Certification/Commissioning, Electrical, Energy Modeling, Engineering, HVAC

Rare Forms

285 N. King St.
Northampton , Massachusetts 01060
Phone: (413) 296-1570

Rare Forms specializes in building high-performance, healthy, net zero, and net positive energy homes. We have expertise in new construction, deep energy retrofit, and additions, and we are happy to consult on projects of any size. Our broad experience using locally produced and non-toxic materials, combined with high-performance insulation, air sealing, and mechanical systems, ensures that your home is durable, comfortable, healthy, and efficient. We design many of our own projects but are also happy to work with your designer or plans to make sure your dream is realized. We work closely with a full complement of trusted engineers, consultants, and subcontractors as needed for each project.

Sectors: Multifamily, Single Family
Service Area: Massachusetts
Professional Specialties: Architecture/Design, Building Envelope, Carpentry/Cabinetry, Construction Management, Consulting, Deep Energy Retrofit, Design/Build, Indoor Air Quality, Insulation, Net Zero, Passive House, Project Management, Remodeling/Renovation

Rebel Builders

997 Chestnut St, #5
Newton , Massachusetts 02464
Phone: (617) 971-8397

Rebel Builders is a queer, Latinx, woman-owned and operated design-build firm based in the Greater Boston Area. Our diverse team offers residential whole home remodeling and addition services to clients in the surrounding Newton, Brookline, and Boston communities. We practice strong collaboration between our construction team and design team at every stage of the design process. We believe in fostering clear communication, transparency, and accountability with our clients and partners to ensure informed decision-making and project success. Our holistic, solutions-based approach guides clients through the entire project lifecycle, delivering innovative and modern solutions that reflect their unique lifestyles and vision.

Sectors: Single Family
WMBE: Women or BIPOC Owned, BuildingEnergy Access Program Participant
Service Area: Massachusetts
Professional Specialties: Architecture/Design, Remodeling/Renovation

Rethinking Power Management (RPM), LLC

177 Huntington Ave, 17th Floor
Boston , Massachusetts 02115
Phone: (857) 230-0610

Our mission is to make sustainable practices standard operating procedures for our clients. We do this by sitting on their side of the table, helping to integrate green business practices and sound engineering from project ideation through implementation. We have a large focus on decarbonizing existing buildings.

Sectors: Commercial, Institutional, Industrial, Multifamily
WMBE: Women or BIPOC Owned, BuildingEnergy Access Program Participant
Service Area: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont
Professional Specialties: Consulting, Deep Energy Retrofit, Energy Auditing, Energy Modeling, Engineering, Incentives, Mechanical Systems

  Industry Leader NESEA Member  

ReVision Energy

758 Westbrook St.
South Portland , Maine 04106
Phone: (207) 221-6342

ReVision Energy is a 100% employee-owned certified B. Corporation solar company. Over the past 20 years, we’ve been focused on building a better world through the deployment of clean energy technology. ReVision Energy is fortunate to have an outstanding team of committed people creating success at our five locations – Liberty and Portland, Maine; Brentwood and Enfield, New Hampshire; and North Andover, Massachusetts. Our in-house state-approved training center and frequent collaboration between offices ensure the highest level of technical expertise to be found in the Northeast.

Sectors: Commercial, Institutional, Multifamily, Single Family
Service Area: Maine, Massachusetts, New Hampshire
Professional Specialties: Electric/Hybrid Vehicles, Energy Storage, HVAC, Photovoltaics, Solar Thermal, Water Heating

RH Irving Homebuilders

543 W Salisbury Rd.
Salisbury , New Hampshire 03268
Phone: (603) 344-6488

Specializing in high performance building practices since 1972, R.H. Irving is one of New Hampshire’s most experienced home builders. We are skilled in a wide variety of energy efficient and sustainable construction techniques, including high performance construction, super insulation, triple glazed windows, air sealing, heat recovery ventilation systems, designs that utilize natural daylight and passive solar heat, panelized stick framing, and post & beam construction. Our high performance building practices result in unparalleled comfort, healthy indoor air quality, low heating costs, and long term affordability.

Sectors: Single Family
Service Area: New Hampshire
Professional Specialties: Deep Energy Retrofit, Design/Build, Net Zero, Passive House, Remodeling/Renovation

Ripcord Engineering

PO Box 4175
Portland , Maine 04101
Phone: (207) 835-4060

Ripcord Engineering offers integrated high-efficiency HVAC and plumbing design, energy modeling, and mechanical commissioning for commercial and residential buildings. On time. On top.

Sectors: Commercial, Institutional, Multifamily, Single Family
WMBE: Women or BIPOC Owned
Service Area: Maine, Massachusetts, New Hampshire
Professional Specialties: Engineering, HVAC, Mechanical Systems, Net Zero, Passive House, Water Heating


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.