MasTec, Inc. MTZ

MTZ Company Overview

MasTec, Inc. is a U.S.-based infrastructure construction and engineering company that provides services primarily to the communications, energy, utility, and transportation industries. The company designs, builds, installs, maintains, and upgrades critical infrastructure systems for telecommunications networks, renewable and conventional energy facilities, power delivery systems, pipeline infrastructure, and civil infrastructure projects. Its business model is largely project-based, with revenue generated through long-term construction contracts, engineering services, maintenance agreements, and infrastructure deployment programs for both private-sector and governmental customers.

MasTec operates through multiple infrastructure-focused business segments and serves major telecommunications carriers, utility companies, energy producers, renewable developers, and public-sector entities. The company has developed a strategic position as a diversified infrastructure contractor with exposure to long-duration investment trends including 5G deployment, grid modernization, renewable energy expansion, data center growth, and energy transition projects. Founded in 1929 as Burnup & Sims, the company evolved through acquisitions and restructuring before being renamed MasTec in the 1990s under the leadership of the Mas family. Over time, it expanded from telecommunications contracting into oil and gas pipeline construction, power delivery, clean energy infrastructure, and heavy civil construction.