Your infrastructure challenges, our solutions. ATNT HOLDINGS is the world’s leading engineering, consulting, asset tracking, and construction company, comprised of three global engineering firms that develop tailored infrastructure solutions, offering a diverse spectrum of services to meet the dynamic needs of clients in every industry. Providing an unmatched commitment to client satisfaction, ATNT leverages expert knowledge and resources to service numerous industries, including energy, water, telecommunications, management consulting, government, and environmental industries.   Approaching every challenge with a solutions-first mentality, ATNT utilizes the following services to provide powerful infrastructure solutions that are tailored to each client’s needs.   Engineering and Construction Services: From conceptual and preliminary engineering services to engineering design, procurement, construction, and construction management, there is a solution that meets the engineering and construction needs of every client across every industry.   Consulting Services: ATNT leverages professional expertise with value-added partnerships to bring client-centric infrastructure consulting services to security design, environmental consulting, management, and more.   Management Services: Financial management, program management, and construction management services increase each client’s efficiency and cost-savings. ATNT also offers asset management, including asset tracking services in partnership with Globalstar that ensure the safe transport of assets around the globe.