NESEA Business Member Directory

The Massachusetts Clean Energy Center (MassCEC) is dedicated to accelerating the success of clean energy technologies, companies, and projects in Massachusetts while creating high-quality jobs and long-term economic growth for the people of Massachusetts. We are committed to incorporating principles of diversity, equity, inclusion, and environmental justice in all aspects of our work in order to promote the equitable distribution of the health and economic benefits of clean energy and support a diverse and inclusive clean energy industry.

Matt Jancek has worked in the construction industry since 2002 and provides general contracting and carpentry services in eastern Massachusetts.

Mayor + Kennedy Architects designs for everyday life. Since 1992, we have remained on the forward edge of sustainable design practices and are passionate about integrating design, technology, energy efficiency, and affordability. Using this expertise to make design more accessible to more people, our work creates lasting value by enhancing how people live and interact with each other and contributing to a community’s character beyond the project itself. We are dedicated to making a positive impact on our clients, the environment, and the communities in which our projects are located.

Mayor + Kennedy Architects designs for everyday life. Since 1992, we have remained on the forward edge of sustainable design practices and are passionate about integrating design, technology, energy efficiency, and affordability. Using this expertise to make design more accessible to more people, our work creates lasting value by enhancing how people live and interact with each other and contributing to a community’s character beyond the project itself. We are dedicated to making a positive impact on our clients, the environment, and the communities in which our projects are located.

McCauley Lyman is a transactional law firm dedicated to helping businesses grow and thrive in the renewable energy arena. We help our clients negotiate contracts, obtain permits, acquire real estate, arrange financings, and purchase and sell energy-related businesses and their assets. By leveraging our considerable network of resources and decades of experience in the industry, we are able to provide a high-quality representation of larger corporate firms while maintaining a close eye on costs. We pride ourselves on giving practical advice, having good judgment, and playing well with others.

We are Meetinghouse, a full-service architecture and design firm. Our practice is built on bold expression, honest communication, and a responsibility to our surroundings. In addition to working with a variety of commercial and residential clients throughout the Pioneer Valley, we also strive to share resources within our community. Meetinghouse mentors design students from the Five Colleges, actively participate in local arts organizations, and regularly accept worthwhile projects at a sliding scale.

Meet Metalmark Tatama, the first self-cleaning commercial air purifier. Tatama uses Metalmark’s advanced HEPA-grade filters with proprietary embedded materials to capture airborne particulates, smoke, VOCs, and pathogens, including viruses, bacteria, and mold. Your indoor air could be even fresher than outdoor air. In just minutes a month, Tatama destroys the collected materials, converting them into water and air while extending filter life by years. Metalmark Innovations is a spinoff of Harvard University. We are established as a Public Benefits Corporation (PBC). This means that we're looking beyond the bottom line and aligning with our mission to make a positive impact on the environment, sustainability, health, and well-being.

I am an NCARB certified architect, registered in Maine, Massachusetts, and New Hampshire, and a licensed construction supervisor in Massachusetts. For over 15 years, I have provided my clients with in-house custom-designed cabinetry. Dan Chouinard, Bernie Marvin, and I have worked together to design, build, and install some of the most beautiful and thoughtfully detailed kitchens in New England. 2020 marked the opening of our new shop location at 8 Exeter Road, a renovated 1927 former blacksmith's building. With 4,000 square feet, this space allows us to spread out and improve our productivity.

Mighty Roots is a residential design-build company focusing on healthy, durable, and energy-efficient new homes and renovation/addition projects.

Minotair is a high tech HVAC manufacturer from Gatineau, QC. We manufacture a 100% electrified, heat pump-based, and carbon-reducing footprint solution with our PentaCare Series: a state-of-the-art all-in-one box HVAC/D equipment with no outdoor unit. Tailored for multifamily buildings (one unit/apt) and single-family homes, it’s perfect for deep-energy retrofits, high-performance, and passive house projects. PentaCare is 4-machines-in-1 being: an active heat and energy recovery ventilator + a dehumidifier + a ducted air source heat pump + an HEPA MERV 15 Medical-Grade Air Filtration device. That cutting-edge technology equipment strives to take care of 5 things: Heating + Ventilation + Air filtration + Cooling + Dehumidification.

Mitsubishi Electric Trane HVAC US is the leading marketer of residential and commercial ductless air-conditioning and VRF zoning systems in the U.S. The company provides innovative products, systems, and solutions capable of cooling and heating any application from a home to a large commercial building.