POWL vs ACM Comparison

Powell Industries Inc is a United States-based company that develops, designs, manufactures, and services custom-engineered equipment and systems for electrical energy distribution, control, and monitoring. The company's principal products comprise integrated power control room substations, custom-engineered modules, electrical houses, traditional and arc-resistant distribution switchgear and control gear, and so on. These products are applied in oil and gas refining, offshore oil and gas production, petrochemical, pipeline, terminal, mining and metals, light-rail traction power, electric utility, pulp and paper, and other heavy industrial markets. The company generates the majority of its sales from the United States, and the rest from Canada, Europe, Asia Pacific, and other regions.

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.