MasTec, Inc. 10-K filed Feb 26, 2026

Modified

We are a leading infrastructure construction company operating mainly throughout North America across a range of industries. Our primary activities include the American infrastructure engineering and construction company focused primarily on engineering, building, installation, maintenance and upgrade of communications, energy, and utility and other infrastructure, such as: wireless, wireline/fiber and customer fulfillment activities; power delivery infrastructure, including transmission, distribution, grid hardening and modernization, environmental planning and compliance; power generation infrastructure, primarily from clean energy and renewable sources; pipeline infrastructure, including for natural gas, water and carbon capture sequestration pipelines and pipeline integrity services; heavy civil and industrial infrastructure, including roads, bridges and rail; and environmental remediation services. Our customers are primarily in these industries. Including our predecessor companies, we have been in business for over 95 years. For the twelve month period ended December 31, 2024, we had an average As of approximately 33,000 employees and 780 locations, and as of December 31, 20242025, we had approximately 32,00036,000 employees and 770810 locations. We offer our services under the MasTec® and other service marks and we are ranked among the top five contractors within Engineering News-Record’s Top 400 Contractors.