building firm in Huntsville, Alabama

Note: Intergraph Process, Power & Marine (PP&M) is now Hexagon PPM. Intergraph SG&I is now Hexagon Safety & Infrastructure Engineering design and information management solutions hexagonppm.com.…

AECOM designs, builds, finances and operates infrastructure assets in more than 150 countries. From high-performance buildings and infrastructure, to resilient communities and environments, to st…