Burns & McDonnell

Burns & McDonnell was founded in Kansas City in 1898 by engineers Clinton Burns and Robert McDonnell, and its four-building world headquarters campus still sits on Ward Parkway. The 100% employee-owned engineering, procurement, and construction firm reported $8.6 billion in revenue for 2025 across more than 25,000 projects, with 75+ offices worldwide. It holds ENR's #1 ranking in Power and a top-ten spot among design firms, working across power delivery, oil and gas, aviation, water, manufacturing, and mission critical facilities, with sister brands including 1898 & Co. and AZCO.