HDR, Inc. delivers integrated engineering, architecture, environmental, and consulting services supporting complex industrial and infrastructure projects from early planning through design, construction, commissioning, and operations. Across the sustainable aviation fuel (SAF), renewable fuels, aviation, and transportation sectors, HDR helps clients develop safe, reliable, and efficient facilities that support evolving energy and mobility demands. HDR provides multidisciplinary expertise in facility and design support services, transportation and logistics infrastructure, power and utility systems, environmental permitting and compliance, sustainability and decarbonization strategies, and operational optimization. The firm’s experience also spans airport and aviation infrastructure, freight and rail systems, pipelines and distribution networks, and resilient transportation solutions and mobility initiatives.

101 South Phillips Avenue

Suite 401

Sioux Falls, SD 57104

USA