The Green Engineer is a design consulting firm specializing in energy efficient and sustainable design solutions for the built environment. Founded in 2005 by Chris Schaffner, PE, LEED Fellow, the firm has a technical staff of twenty LEED-Accredited Professionals. The expert team brings to the table experience and perspective from a variety of backgrounds, including engineering, architecture, construction, planning, development, and public policy. To date, we have managed or been involved in more than 200 LEED-certified projects in New England and around the country, including 14 LEED Platinum projects.

Wayne Turett, founder and principal of The Turett Collaborative, is a licensed, LEED credentialed architect. Combining historic preservation and high-efficiency design has always been a passion for Wayne. With New York City enacting stricter standards for energy-efficient buildings, aiming to reduce building-based emissions by 30 percent by 2025 from a 2005 baseline, The Turett Collaborative is uniquely equipped to produce energy-efficient building designs that can adhere to Landmark and Preservation guidelines while also serving the needs of the client.

The Valle Group sets the standard for thoughtfully planned communities in southern New England. The company's special expertise is planning and creating communities of quality, energy-efficient homes and building and remodeling for homeowners.

Thornton Tomasetti collaborates on the design of sustainable buildings to provide innovative solutions that greatly reduce operational and embodied carbon and contribute to more resilient buildings and communities. Using whole building environmental and advanced energy analysis, we’ll help you make sure your buildings are performing at the highest level for optimal operational performance and occupant comfort. Our multidisciplinary staff consults on green building certifications, including Passive House Certification, Net Zero Energy Buildings, Living Building Challenge design, Embodied Carbon Optimization, and BECx Commissioning.

Thoughtforms Corporation specializes in building high-end custom homes and unique institutional buildings in eastern Massachusetts. Clients trust Thoughtforms to deliver custom quality in a transparent and informative way and to be a long term partner. The quality clients expect extends far beyond the level of finish and what can be seen in the here and now and includes the health and comfort of the indoor environment, energy use, durability, and technology, among other elements.

With dedication to craft, people, and place, Threshold Building Co. offers the highest quality finish work, timber frames, and high-performance buildings to the community of Western Massachusetts and beyond. We lead a committed client, a forward-thinking design team, talented builders, and excellent subcontractors to complete projects with integrity and beauty. These projects combine form and function for how people live today, providing durability for the future. Threshold’s mission is to provide Western Massachusetts with comprehensive building services focusing on quality craftsmanship, sustainable building practices, and clear customer communication.

We specialize in designing and building natural, soulful, resilient and energy efficient homes, timber frames, tree forms, scribe work, Vermont materials, net zero homes, timber framed solar pavilions, barns & outdoor structures, spiral stairs & compound roofs.

TimberHP by GO Lab, Inc. is a privately held, Maine-based building products corporation founded in 2017 to develop and manufacture wood fiber insulation for the residential and light commercial construction markets. Wood fiberboard, batt, and blown-in high-performance insulation products are vapor open, renewable, recyclable, nontoxic, carbon sequestering, and, when manufactured here in America, cost-competitive with other popular insulation products. In 2023, GO Lab will become one of the first companies to make wood fiber insulation in North America at its manufacturing facility in Madison, Maine.

Mr. MacLean is an architect, educator, and licensed builder who began his career as a project manager with a number of large architectural firms in Boston before he started his own firm, Timeless Architecture, in 1988. He has been promoting and teaching green design for 35 years, beginning with the Boston Society for Architecture, where he served as co-chair of the Committee on the Environment (COTE), a sub-committee that promotes sustainable design in the New England Region. He has taught and developed ongoing curricula at the Boston Architectural College, Sustainable Design Institute, and Master’s program, as well as Wentworth Institute of Technology.

At Tishman Speyer, we convert opportunity into value through our expertise in every aspect of real estate. Our global professionals work collaboratively across disciplines and borders to bring together market-driven insights, experience, and expertise. All of which allows us to create properties of enduring value around the world.

Treehouse Design was founded in 1990 to provide architectural and construction management services for the needs of the vibrant, historically rich coastal communities of Cape Ann. Our company employs 20 individuals with a broad range of skills and experience, from architects and interior designers to construction managers and cabinet makers. Our office and workshop are located in Rockport, MA, where we take on a broad range of projects, from individual furniture commissions to multi-unit housing developments. Our primary focus, however, is single-family residential design and construction.

We are a woman-owned and operated full-service architecture and design firm. At Trillium, we design intelligent quality architecture and endeavor to cultivate beauty and delight. We are trained in and highly aware of aesthetics and the human spatial experience. We believe in designing houses that you would be proud to leave your grandchildren - as unique as the people who occupy them and as beautiful as the natural world that surrounds them.