MasTec | 43,355 followers on LinkedIn. Infrastructure that Delivers | Over the course of the last 80 years, MasTec companies have been involved in some of the largest and most complex infrastructure construction projects across the country. Our experience has given us a deep and comprehensive understanding of the markets we serve, as well as the ability to effectively manage people, projects and equipment. It allows us to proactively identify challenges, avoid pitfalls, and overcome obstacles, and to accurately set and meet expectations for schedule and budget.