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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Kendall Sustainable Infrastructure

6 University Rd.
Cambridge , Massachusetts 02138
Phone: (617) 374-3707

Kendall Sustainable Infrastructure invests in projects that generate regular distributions with attractive yields in excess of public markets through direct participation in energy and water projects that sell their production under long term contract to attractive counter parties, such as utilities, municipalities and large commercial entities.

Sectors: Commercial, Institutional
Service Area: Entire Northeast Region
Professional Specialties: Development, Finance

Kevin Browne Architecture

Map 202 US Rte. 1, Ste. 202
Falmouth , Maine 04105
Phone: (207) 847-3499

KBA’s design approach is the same, whether it may be new construction or renovation. We create timeless architecture that is inspired by the classic New England architecture of the past by creating a new vernacular style that will integrate many modern day amenities and efficiencies. Not recreating history but paying homage to the classic New England architecture.

Sectors: Commercial, Single Family
Service Area: Maine, Massachusetts, New Hampshire
Professional Specialties: Architecture/Design, Remodeling/Renovation

Klepper, Hahn & Hyatt

5710 Commons Park Dr.
East Syracuse , New York 13057
Phone: (315) 413-7960

Klepper, Hahn & Hyatt is a professional firm specializing in structural engineering, landscape architecture, and building envelope systems. We serve the northeastern United States from our office in Central NY. Specialties include:
- Structural detailing to minimize thermal bridging
- Review of thermal envelope details to ensure high performance and Energy Code compliance
- Diagnosing structural and thermal envelope building problems and developing solution strategies
- Designing with SIPs, ICFs, and frost-protected shallow foundations
- Identifying alternative structural systems with lower embodied carbon
- Quantification of the embodied carbon, or carbon burden, of building projects
- Building Envelope Commissioning (BECx)

Sectors: Commercial, Institutional, Industrial, Multifamily, Single Family
Service Area: Massachusetts, New Jersey, New York, Pennsylvania
Professional Specialties: Building Envelope, Consulting, Deep Energy Retrofit, Design/Build, Education, Engineering, Historic Restoration, Insulated Concrete Forms (ICF), Insulation, Landscape Design, Net Zero, Prefab/Modular, Project Management, Remodeling/Renovation, Roofing, Timber Framing

KMA Human Resources Consulting, LLC

251 Us Route 1
Falmouth , Maine 04105
Phone: (207) 781-6460

KMA Human Resources Consulting works with successful, growing businesses. We’re your partner for managing and growing your most valuable resource – your people.

Our deep bench of HR experts helps you keep on top of changing labor laws and Human Resources practices, stay in compliance with state and federal regulations, manage employee relations and engagement issues, train and develop staff, hire and retain top talent, and much more.

Sectors: Commercial, Institutional, Industrial, Multifamily, Single Family
Service Area: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont
Professional Specialties: Consulting, Legal/Accounting

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 the original building science discussion group, where the Pretty Good House originated.

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 provides building, construction, energy, and environmental consultation services to traditional banks and other financial institutions, federal agencies, state housing agencies, city housing agencies, as well as owners and developers. The firm was founded in 1978 by Kenneth O. Wille, PE, providing construction loan monitoring and property condition assessment services for New York City projects and has grown to a team of 35+ team members. Headquarters in NY with satellite offices in CO, FL, MD, MA, NJ, PA, SC, and DC, KOW provides services throughout the United States.

Sectors: Commercial, Institutional, Multifamily
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: Affordable Housing, Architecture/Design, Community Planning, Deep Energy Retrofit, Education, Historic Restoration, Net Zero, Remodeling/Renovation

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

PO Box 352
Auburn , Massachusetts 01501
Phone: (888) 884-4122

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/Design, 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


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.