Founded in 1933, Carollo Engineers Inc. is an environmental engineering firm with a singular focus on water and wastewater. For over 90 years, the company has specialized in the planning, design, and construction of facilities for water, wastewater, stormwater, and municipal infrastructure. Its technical domains also extend to energy projects, reflecting the high energy demands of modern water treatment and distribution systems.
With a team of over 1,100 employees operating from 49 offices, Carollo maintains a significant physical presence across the United States and North America. The firm's work is inherently linked to large-scale civil and industrial projects, including the kind of critical utility infrastructure that data centers depend upon for their substantial water and power requirements.
The company's stated approach is dedicated to implementing resilient and innovative solutions for water systems, aiming to support sustainable environments for future generations. This long-term, infrastructure-focused perspective aligns with the planning horizons common in the data center industry, where reliable utility access is a foundational requirement.






