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

Kolbert Building

90 Gray St.
Portland , Maine 04102
Phone: 207-799-8799

We focus on bringing energy efficiency and healthy home techniques to all of our work, from small renovations to complete new houses. We are active members of NESEA, and run a local building science discussion group.

Sectors: Single Family
Service Area: Maine
Professional Specialties: Building Envelope, Consulting, Deep Energy Retrofit, Design/Build, General Contractor, Historic Restoration, Indoor Air Quality, Remodeling/Renovation

KOW Building Consultants

1034 W Jericho Tpke.
Smithtown , New York 11787
Phone: 631-757-5000

KOW Building Consultants has been a trusted provider of construction consulting services since 1978. We add value to traditional banks, private lenders, mortgage lending institutions, state housing agencies, city housing agencies, mezzanine lenders, and other financial institutions by providing construction loan monitoring, property condition assessment, and technical plan & cost reviews.

Sectors: Commercial, Institutional
Service Area: Entire Northeast Region
Professional Specialties: Consulting, Energy Auditing, Energy Modeling, Finance, Passive House

Kuhn Riddle Architects

28 Amity St.
Ste. 2B
Amherst , Massachusetts 01002
Phone: 413-259-1630

We provide architectural and interior design services to a diverse client base throughout the Pioneer Valley and beyond, including colleges and schools, individual families, churches, offices, retail and multi-family developers, and municipalities. Sustainability guides our thought process on every project, at all levels of design, from the initial concepts through construction. Whether the project is new construction or a deep energy retrofit, we are committed to providing our clients with designs – and buildings – that are intelligent and environmentally sensitive.

Sectors: Commercial, Institutional, Multifamily, Single Family
Service Area: Massachusetts
Professional Specialties: Architecture, Community Planning, Deep Energy Retrofit, Net Zero

Landmark Services, Inc.

326 Washington St. Anx.
Wellesley Hills , Massachusetts 02481
Phone: 508-533-8393

Landmark Services specializes in renovating and restoring period homes. We also build new, energy efficient homes inspired by traditional architecture. We believe that saving old homes can and should be a key part of any sustainable housing strategy in New England and beyond. Building zero net rnergy/renewable new homes aligns with the principals' lifelong passion for fostering and supporting sustainable innovation. We believe that it is our highest calling as builders and citizens to be conscious, compassionate stewards of the natural world. Wherever we can we support people and businesses that share this mission.

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

Lavallee Systems

Phone: 5089621044

We work in partnership with contractors to provide plumbing, heating, and air conditioning planning and installation. Working with homeowners, we provide the guidance to make informed decisions on system replacement, repair, and installation.

Sectors: Single Family
Service Area: Massachusetts
Professional Specialties: HVAC, Indoor Air Quality

Lewis Creek Builders

18A Morse Drive
Essex Junction , Vermont 05452
Phone: 802-662-1630

Lewis Creek Company was founded in 2009 and has been serving the greater Burlington, Vermont area ever since. We are a team of architectural designers and tradespeople providing a holistic, full-service design/build experience. Our process allows you to explore and refine until the design is perfectly yours. We create spaces that are functional, beautiful, and designed to complement your lifestyle.

Sectors: Single Family
Service Area: Vermont
Professional Specialties: Architecture, Construction Management, Design/Build, General Contractor, Passive House, Project Management, Remodeling/Renovation

Light Hill Property Management, LLC

88 Black Falcon Ave.
Ste. 171
Boston , Massachusetts 02210-2426
Phone: 617-563-8956
Sectors: Multifamily
Service Area: Massachusetts
Professional Specialties: Property Management, Real Estate

Local Wood WORKS

P.O. Box 261
Winthrop , Maine 04364
Phone: 207-377-2848

Since 2013, Local Wood WORKS partners and supporters have been building on the success of the local food movement. We use the term “local” in a broad sense, (e.g., Maine, New England, New York, the Maritimes). Our partners and supporters are committed to sustainable forestry, strong and resilient local economies, conservation of both working woodlands and ecological reserves, reduced energy consumption and transportation costs based on local products, and providing support to landowners, loggers, processors, manufacturers, and consumers. Our top priorities are helping Maine’s forest landowners keep their forests as forests, and promoting policies that support a sustainable financial basis for long-term forestland ownership.

Sectors: Commercial, Multifamily, Single Family
Service Area: Maine, New Hampshire, New York, Vermont
Professional Specialties: Consumer Information, Public Policy, Research

  Industry Leader NESEA Member  

M.J. Moran, Inc.

4 S Main St.
PO Box 278
Haydenville , Massachusetts 01039
Phone: 413-268-7251

The M.J. Moran Company was formed in February of 1978, and has steadily grown in size since then. Our repeat customers include Top Flite/Callaway Golf, Milton Bradley, Suddekor, Smith College, Mount Holyoke College, Amherst College, Eaglebrook School, Northfield Mount Hermon, and Cooley Dickinson Hospital, just to name a few. As Mechanical Construction Manager, we work closely with the Architect, Engineers, and Owner, providing our expertise in value costing, budgeting and scheduling.

Sectors: Commercial, Institutional, Industrial, Multifamily, Single Family
Service Area: Massachusetts
Professional Specialties: Deep Energy Retrofit, Engineering, Geothermal, HVAC, Mechanical Systems

MA Builders

4 Macy St.
Portland , Maine 04102
Phone: 207-671-5325

At MA Builders, working together with a top-notch team of vendors, subcontractors, and carpenters, we create beautiful spaces for our clients. Our years of training and experience makes it possible for us to tackle a wide range of jobs, from small renovations to complicated restorations and new home construction. We work with our clients to build the spaces and places they want to live in.

Sectors: Single Family
Service Area: Maine, Massachusetts
Professional Specialties: Carpentry/Cabinetry, Design/Build, General Contractor

Maclay Architects

4509 Main St.
Waitsfield , Vermont 05673
Phone: 802-496-4004

Maclay Architects specializes in ecological planning and architecture, healthy building design, micro-load and net zero building design and received the 2012 NESEA Zero Net Energy Building Award. The firm's project portfolio includes ten LEED Gold or Platinum certified buildings, and ten net zero or net zero ready institutional and commercial projects. Bill Maclay and Maclay Architects authored a book titled: The New Net Zero: Leading-Edge Design and Construction of Homes and Buildings for a Renewable Energy Future, by Chelsea Green Publishing. Bill Maclay, AIA, LEED-AP, and founding principal of Maclay Architects, has been recognized as a leader in innovative, healthy, and ecological planning and architectural design since 1971.

Sectors: Commercial, Institutional, Industrial, Multifamily, Single Family
Service Area: Massachusetts, Vermont
Professional Specialties: Architecture, Certification/Commissioning, Consulting, Deep Energy Retrofit, Design/Build, Net Zero, Passive House

MaGrann Associates, Inc.

Chester , Connecticut 06412

Home Energy Technologies, a MaGrann Company, is a leading Connecticut-based residential energy consulting firm and RESNET-accredited Home Energy Rating System Provider. We consult with architects, developers, builders and homeowners on improving residential energy-efficiency and offer certification services for ENERGY STAR for Homes, the National Green Building Standard and other programs. Our mission is to help homebuilders and homeowners find and implement practical, cost-effective and sustainable solutions to create more durable, comfortable and energy-efficient homes. In early 2020 Home Energy Technologies was acquired by MaGrann Associates of Mt. Laurel, New Jersey.

Sectors: Multifamily, Single Family
Service Area: Connecticut
Professional Specialties: Certification/Commissioning, Consulting, Energy Auditing, Energy Modeling, HERS Rater, Incentives


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.