ACA vs ACM Comparison

Arcosa Inc is a manufacturer and producer of infrastructure-related products and solutions in the U.S. It operates in three segments: Construction Products, Engineered Structures, and Transportation Products. Maximum revenue is generated from the Construction Products segment, which produces aggregates, specialty materials, asphalt, and construction support gear. The Engineered Structures segment mainly manufactures and sells steel and concrete structures for infrastructure businesses, including utility structures for electricity transmission and distribution, structural wind towers, traffic and lighting structures, and telecommunication structures; and the Transportation Products segment builds inland barges, fiberglass covers, winches, marine hardware, and other industrial equipment.

Aecom is one of the largest global providers of advisory, design, and engineering services. It serves a broad spectrum of end markets, including water, transportation, and environment. Based in Dallas, Aecom employs 51,000 people. The company generated $16.1 billion in sales in fiscal 2025.