building firm in Huntsville

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.…

Vulcan Materials Company is the nation’s largest producer of construction aggregate (crushed stone, sand and gravel), asphalt, ready mix concrete, railroad ballast, and agricultural limestone.

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…