Xcel Energy is an energy and utilities company working with communities, customers, and business partners to support a reliable, affordable transition toward cleaner energy. Its customer-focused services include billing resources, energy-use tracking, and safety information, while its careers span the company’s work across energy, utilities, and related retail operations.
Aecon Group Inc. is a North American construction and infrastructure company serving public- and private-sector clients. Its work spans civil engineering, industrial construction, nuclear services, utilities, transportation, and other major infrastructure programs. In addition to construction delivery, Aecon supports project development, financing, management, and operations, bringing together capabilities for complex projects and critical infrastructure investment.
Stansell Electric Company, Inc. is a Nashville-based electrical contractor and systems integrator serving construction, transportation, and utility projects. Founded in 1940, the company delivers electrical infrastructure and technology-focused services, including emergency response, traffic signal systems, and integrated solutions for commercial and industrial applications. Its work supports essential transportation and utility systems while emphasizing dependable execution, technical capability, and long-term customer partnerships.
NiSource is an energy and utilities company delivering natural gas and electric services to nearly four million customers across six states through brands such as Columbia Gas and NIPSCO. Its work spans dependable energy delivery, safety, community engagement, and the ongoing transition toward lower-carbon energy sources, including partnerships supporting renewable natural gas. With approximately 7,400 employees, NiSource also emphasizes diversity, equity, and inclusion across its workforce and the communities it serves.
Ameresco is a cleantech integrator and renewable energy asset developer, owner, and operator. The company delivers energy efficiency projects, infrastructure upgrades, and distributed energy resources for government agencies, utilities, healthcare and education organizations, housing authorities, and commercial and industrial clients. Its smart energy technologies and financial solutions support the clean energy transition across the United States, Canada, the United Kingdom, and Europe.
BTB GmbH Berlin develops, builds, and operates energy supply systems and networks for customers across the Berlin area. Founded in 1990, the company works in the energy, utility, and sustainability sectors, delivering customized solutions designed for reliable service and secure energy supply. Its activities include climate-conscious heat and power cogeneration as well as renewable energy projects, with ongoing investment in more efficient and future-oriented infrastructure. BTB’s work brings together planning, implementation, operations, and collaboration with customers and partners in the development of sustainable energy systems.
