Carollo Engineers - North Tower

Carollo Engineers is dedicated to water—pure and simple. In Oklahoma City, we offer engineering, planning, and design services that solve complex water, wastewater, and reuse challenges. Our team supports utilities, municipalities, and industrial clients with safe, sustainable solutions that protect public health and natural resources. Whether it’s treatment plant design, water quality studies, or regulatory compliance, Carollo delivers innovative, data-driven results built around a single mission: water for life.