About MacKay Sposito: Providing consultation services to energy, public works and land development clients, MacKay Sposito’s expertise spans civil engineering, construction management and inspection, land survey, planning and project management, and landscape architecture for both public and private sector. Whether connecting public and private sectors, helping our clients put together a complex mixed-use masterplan development, getting power to a remote rural outpost, or improving a city’s facilities, MacKay Sposito is all about building lasting relationships and strong communities. At our core, we’re committed to honesty, dedication and relationships. These pillars make up the foundation of how we treat our people, and ultimately our clients.