Founded in 2000, Ameresco, Inc. (NYSE:AMRC) is a leading independent provider of comprehensive services, energy efficiency, infrastructure upgrades, asset sustainability and renewable energy solutions for facilities throughout North America. Ameresco's services include upgrades to a facility's energy infrastructure and the development, construction and operation of renewable energy plants. Ameresco has successfully completed energy saving, environmentally responsible projects with federal, state and local governments, healthcare and educational institutions, housing authorities, and commercial and industrial customers.

CEG Solutions designs and implements turnkey energy efficiency and resilience solutions for public and private sector clients nationwide. With roots in general contracting and a highly technical team of engineers, project managers, and construction personnel, CEG specializes in delivering high-impact, cost-effective, and low-risk projects. CEG has a track record of success in mission-critical spaces, including data centers, laboratories, offices, healthcare facilities, correctional facilities, and commercial buildings. While CEG's projects leverage savings from traditional ECMs, the team also strives to include innovative solutions such as renewable energy systems, electrified central plants, and data center/IT upgrades. Additionally, CEG actively pursues grants and incentives to broaden project impact. CEG's projects reduce utility consumption, simplify operations, and renew key infrastructure, all while enhancing resilience and helping clients make progress towards decarbonization goals. Testament to the company's capabilities, 96% of CEG's clients have requested follow-on projects and 89% of CEG's federal projects have received major awards from the U.S. Department of Energy (DOE) and/or Association of Energy Engineers.

Constellation is a leading U.S. energy company focused on delivering clean, reliable energy and comprehensive energy solutions to businesses, public-sector organizations, communities, and residential customers nationwide. As the nation’s largest producer of clean, low-carbon energy, Constellation operates the country’s largest fleet of zero- and low-emission generation facilities, with nuclear energy at the core of our ability to provide safe, reliable, around-the-clock, carbon-free power. We complement our generation capabilities with electricity and natural gas supply, energy efficiency, sustainability, and energy asset management solutions, including the design, construction, financing, operation, and maintenance of behind-the-meter energy infrastructure. Together, these capabilities enable Constellation to help customers improve reliability, manage energy costs, modernize critical infrastructure, and achieve their long-term energy and sustainability objectives.

ENERGY SYSTEMS GROUP® (ESG) is a leading energy services provider that specializes in energy efficiency, sustainability, and infrastructure improvement solutions in the government, education, healthcare, commercial, and industrial sectors. ESG also offers a full range of sustainable infrastructure solutions including waste-to-energy and distributed generation. Firmly positioned to implement a broad spectrum of projects using Utility Energy Services Contracts, Enhanced-Use Leases, Power Purchase Agreements, and Energy Savings Performance Contracts, ESG helps mission-critical facilities achieve resiliency, reliability, and efficiency through a wide range of solutions including building system upgrades, renewable energy, on-site power, combined heat and power, and microgrids. ESG's comprehensive turn-key energy and infrastructure modernization services include site surveys, engineering studies, and feasibility designs.

NORESCO, an OPTERRA company, helps customers modernize aging building systems and upgrade energy and water infrastructure to meet evolving demands. We implement innovative energy efficiency, distributed generation, energy storage, and renewable energy solutions that optimize the operational efficiency and improve resilience of buildings, campuses, military installations, and communities. To date, NORESCO has implemented solutions that provide more than $5 billion in guaranteed energy and operating cost savings at more than 10,000 facilities, while reducing customer CO2 emissions by more than 25 million metric tons.

Schneider Electric Federal Energy Solutions offers federal agencies the most innovative energy management strategies, systems and technologies along with customized financial solutions to deliver measurable, sustainable savings, reduce greenhouse gas emissions and enhance resiliency. These benefits are achieved not just through improved efficiency, but also in reduced maintenance, optimization of assets and increased use of renewable energy sources. Our approach focuses on supporting agencies at every stage of the energy management life cycle with a full suite of services and technologies in the following categories: energy and sustainability consulting, procurement services, monitoring and control, infrastructure and efficiency upgrades, and measurement and reporting. We leverage our experience and expertise across a broad range of diverse building types, from office buildings to hospitals and laboratories to data centers and more, to ensure the unique needs of individual agencies are met and better enable them to meet responsibilities to mission and taxpayers. Since 1992 Schneider Electric has successfully completed hundreds of performance contracts, saving almost $1 billion for clients and reducing CO2 emissions by over 1.7 million tons. As a global specialist in energy management with operations in more than 100 countries, Schneider Electric's 130,000 plus employees achieved sales of $31 billion in 2011, through an active commitment to help federal agencies make the most of their energy, anywhere in the world.

As an MEP building systems expert, Southland Industries provides integrated, full lifecycle solutions that optimize the design, construction, operation, and efficiency of buildings. Through collaborative partnerships with our clients and the collective expertise of our people, we create premier built environments and future-ready spaces where communities and businesses can thrive.

Trane is a world leader in creating and sustaining safe, comfortable and energy efficient environments and improves the performance of buildings around the world. Trane offers federal agencies with solutions that optimize indoor environments with a broad portfolio of energy efficient heating, ventilating and air conditioning systems, energy services and contracting, parts support and the advanced controls for commercial applications.