NESEA Business Member Directory

The NESEA Business Member Directory includes all organizations that are NESEA Business and Academic Members. The directory is accessible to the public.

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

Page Under Construction
The new Sector and Service Area search options are not fully functional yet and may yield inconsistent results until data migration is complete.

Search Filters

Check boxes to limit your search to specific sectors
Check boxes to limit your search to a specific region
Check boxes to limit your search to specific areas

Global Wholesale Supply

PO Box 413
Grasonville , Maryland 21638
Phone: 410-643-3495

Global Wholesale Supply is the North American distributor of Steico wood fibre insulation products. Steico is the largest fiberboard manufacturer in the World and provides a full line of products from rigid insulation to flexible wood fibre batts to blown in insulation. Global Wholesale and Steico promote healthy, vapor open wall systems for healthy homes.

Professional Specialties: Envelope and Enclosure, Indoor Air Quality, Insulation

GO Logic, LLC

137 High St.
3rd Fl.
Belfast , Maine 04915
Phone: 207-338-1566

GO Logic is a full-service general contracting company with expertise that ranges from single-family homes to large-scale commercial and institutional projects. Our construction managers and builders deliver the highest levels of structural integrity, finish quality, and performance while exercising full control of budget and schedule. GO Logic is pleased to announce the launch of the GO Home—a breakthrough product line of high-performance, high-design prefab houses—and, a new website that makes the full line easily available to homebuyers anywhere in New England.

Professional Specialties: Architecture, Construction Management, Design/Build, Passive Housing

Godfrey Design-Build

14 Roundy St.
# 2
Beverly , Massachusetts 01915
Phone: 978-473-0987

Godfrey Design-Build is a full-service remodeling company serving the North Shore of Massachusetts. Our process allows clients to hire one company for all their design, scope development and construction services.

Professional Specialties: Design/Build, Design Process

Good Earth Works, Inc.

55 High St.
Belfast , Maine 04915
Phone: 504-914-2020
Professional Specialties: Real Estate

Grand Banks Building Products

7 Crafts Rd.
Gloucester , Massachusetts 01930
Phone: 978-281-2421

For 30 years Grand Banks has been serving both builders and homeowners in the greater north shore of Boston. It all started with a man and an idea back in 1988. Armed only with his knowledge of the products and a pickup truck, Lansing Banks began the journey from millwork to kitchen design. Today Banks has been joined by other talented and passionate people and our family business has grown. We specialize in quality finish building products and design across a few categories: doors, windows, cabinetry, countertops, door hardware, stair parts, mouldings, decking, and flooring.

Professional Specialties: Building Supply, Windows

Granite State Solar, LLC

57 Ryan Rd.
Bow , New Hampshire 03304
Phone: 603-369-4318

Granite State Solar was founded in 2008. We are a design, sales, distribution and integrator of photovoltaic energy systems. We provide customized energy solutions and services to suit your needs, for optimum financial results.​
We provide leading edge products with innovative system designs. We provide solutions that conserve energy and save money all while reducing your carbon footprint.​
We offer a variety of renewable energy products and services to help you save money and reduce your carbon footprint.
Our goal is not only to provide customers with these services but to educate you as well.​
All systems are designed, installed, and maintained by certified technicians, electricians and engineers. We never contract our installations - they are all completed by our own electricians.

Professional Specialties: Photovoltaics

Green River Architecture

11 Hickory Hill Rd.
Great Barrington , Massachusetts 01230
Phone: 413-528-1108

Adaptive reuse, multifamily residential, commercial, residential additions and renovations.

Professional Specialties: Architecture, Deep Energy Retrofit, Design/Build, Envelope and Enclosure, Net Zero, Passive Housing

Greenfield Community College

1 College Dr.
Greenfield , Massachusetts 01301
Phone: 413-775-1472

GCC offers a Renewable Energy/Energy Efficiency program which provides students with the knowledge and skills needed for entry-level employment opportunities in the renewable energy/energy efficiency field; provides students already employed in the trades with knowledge and skills relevant to specific renewable energy/energy efficiency technologies, as well as broader understanding of the scientific, economic and political context of the industry; provides students with a general education background combined with a comprehensive introduction to renewable energy/energy efficiency and technical and general electives with course work geared toward transfer requirements for a four-year Baccalaureate program.

Professional Specialties: Education

Greentec, Inc.

146 Cedar St.
Branford , Connecticut 06405
Phone: 2036712160

Greentec, Inc. is a full service manufacturer’s representative firm serving the Heating Air Conditioning, Ventilating and Refrigeration industry. Our sales professionals possess comprehensive product knowledge, extensive systems and applications expertise, the highest level of integrity, and an unending commitment to customer service. With a talented inside sales team, we are able to quickly react to our customer’s needs and anticipate their future requirements.

Professional Specialties: HVAC

H2O Degree-Global Water & Energy Solutions

3580 Progress Dr.
Ste. L
Bensalem , Pennsylvania 19020
Phone: 215-788-8485

H2O Degree uses a wireless based technology to monitor, control, and quantify utility consumption in multifamily buildings. We provide sub-metering solutions for electric and hydronic heating and cooling, as well as toilet leak detection.

Professional Specialties: Energy Auditing, Intelligent Systems

  Industry Leader NESEA Member  

Halfen USA, Inc.

PO Box 18687
San Antonio , Texas 78218
Phone: 210-585-9342

With the company headquarters located in Langenfeld, Germany, HALFEN is one of the leading international companies in the following fields: anchoring technology, reinforcement technology, mounting/framing technology, facade fixing technology, transport anchor systems, and tension rod systems.

Professional Specialties: ,

Hampshire College

893 West St.
Facilities & Grounds
Amherst , Massachusetts 01002
Phone: 413-559-6288

The Environmental Studies and Sustainability Program (ESSP) brings together a rich grouping of courses, ongoing projects, campus programs, and speaker series that allows students to develop their own ways of combining the sciences, social sciences, and humanities to study and work on environmental and sustainability topics.

Through ESSP, Hampshire students develop a truly interdisciplinary, project-based course of studies that allows them to tackle, with the help of faculty and other students, complex, real-world issues.

Professional Specialties: Education


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.