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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Garland Mill
Garland Mill is an integrated architecture and construction firm located at the base of Mt Cabot in Lancaster, NH. In 2025, we celebrate 40 years of design and construction excellence. Forty years of great buildings. Buildings that are warm in the winter, cool in the summer, and accessible to people of all ages and physical abilities. Buildings that are low-maintenance, efficient, and resilient. Buildings that are beautifully designed and carefully crafted. Buildings that are healthy, renewably powered, and all-electric. As we look toward the future, our commitment to sustainability, craftsmanship, and community continues to guide us in creating spaces that blend beauty, functionality, and environmental stewardship for generations to come.
Geoenergy Solutions Inc.
We provide all the tools, guidance, and support our customers or professionals need to succeed in their respective markets, such as a no-charge feasibility study, a la carte or full-service engineering, best pipe, drilling, and connection services, HVAC systems and best practices, and financing and third-party ownership options.
George Penniman Architects, LLC
George Penniman Architects is a full-service, client-oriented firm that works on large—and small-scale residential projects, as well as small commercial and institutional projects, throughout New England. Our work is characterized by its contextual nature, high-performance building practices, and environmental stewardship. George Penniman is a Certified Passive House Designer/Consultant and LEED for Homes professional.
Global Wholesale Supply
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.
GO Logic, LLC - Architecture, Construction, Design
GO Logic: Architecture, Construction & Design is a full-service general contracting and design 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 success of the GO Home - a breakthrough product line of high-performance, high-design prefab houses—and thegohome.us, a new website that makes the full line easily available to homebuyers anywhere in New England.
Graphite Studio
A small-but-mighty design firm focusing on high-performance housing, deep energy retrofits, net zero homes, Passive new construction, and existing buildings in Western New England. Licensed architect (NH, VT, ME) and Passive House consultant.
Green Building Initiative
The Green Building Initiative (GBI) is a 501(c)3 whose mission is to reduce climate impacts by improving the built environment through education, standards, and assessments developed by an inclusive and collaborative global network. GBI's education programs, tools, standards, and assessments support building owners, sustainability consultants, designers, developers, builders, contractors, government agencies, facility managers, building operators, occupants, tenants, product and service providers, communities, higher education, and students that strive to improve the built environment through the application of sustainability, health, and resilience best practices.
Green Insulation Group
At Green Insulation Group, we stay true to our passion for sustainability by selling reclaimed and factory surplus materials at an affordable price. Our inventory includes the largest volume and selection of eco-friendly rigid foam insulation of all types.
Greene Energy Consultants, LLC
For the past 22 years, Greene Energy Consultants has helped promote sustainability through decarbonization and electrification of buildings. Greene Energy Consultants specializes in energy-efficient design and operations, existing building energy auditing, and retro-commissioning, and passive house design for commercial, municipal, institutional campuses, and multifamily. GEC is experienced with NYC LL84, 87, 97, BERDO, and Energy Star. Scott Greenbaum has over 35 years of experience as a Professional Engineer and is Certified Passive House Consultant (PHIUS) who founded Green Energy Consultants. He holds numerous diverse certifications (PE, CEM, CPHC, CBCP, GBE). He is licensed as a Professional Engineer in CT, MA, MD, NY, and NJ.
Greentech Renewables
CED Greentech East serves East of the Mississippi in the ever-expanding solar industry. We work closely with installers and have excellent service and extensive experience in the electrical and photovoltaic fields. Our goal is to meet your project requirements at a competitive price and to manage and deliver your system promptly and professionally. Our stock of materials and accessories will help complete your jobs without any holdups! Greentech personally handles daily deliveries throughout the region, ensuring that your complete system arrives on time and at no additional cost to you! We get low freight rates through our corporate account, and your order will be shipped out the same day!
Gregorio Sustainability, LLC
Gregorio Sustainability LLC is a WBE that partners with private, public, non-profit, and government organizations to advance their ESG goals, with expertise in the commercial real estate sector. Whether a client is starting their first project or deepening the impact of an existing program, Gregorio Sustainability will develop and implement custom corporate responsibility strategies and sustainability solutions that add value to the organization's bottom line. With experience in strategic planning and program development, project management, compliance and reporting, certifications, marketing and communications, stakeholder engagement, and industry partnerships - our services will enhance sustainability efforts to meet key business goals.
Hardwick Post & Beam
We are a company of craftspeople. For 33 years, we have designed and built beautiful, custom timber frame structures for clients in Massachusetts, New England, and the United States. A family company in its second generation of leadership, we have been employing a group of timber framers year-round for more than three decades and are committed to our people. We are very eager to work with architects and builders who are on the front line of cutting-edge energy sustainability and want to pair their products with the beauty and tradition of a timber frame.
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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.