Infrastructure and Energy Alternatives, Inc. (IEA) is a diversified infrastructure construction company based in Indianapolis, Indiana. As a subsidiary of MasTec, Inc., IEA specializes in engineering, procurement, and construction (EPC) services across renewable energy, traditional power, and civil infrastructure sectors. Founded in 2011, with roots tracing back to 1974, the company employs around 6,000 people and generates approximately $1.9 billion in revenue. IEA has successfully completed over 200 utility-scale wind and solar projects throughout North America. IEA operates in two main segments: renewables and specialty civil. In the renewables sector, the company provides full lifecycle support for wind and solar projects. The specialty civil segment includes services such as environmental remediation, rail infrastructure, and heavy civil projects like roads and bridges. IEA offers a range of capabilities, including power delivery, industrial construction, and environmental site management, emphasizing in-house expertise for complex projects.