RITOCH-POWELL & Associates, an Ardurra company, is an award-winning civil engineering and surveying firm specializing in transportation, public works, renewable energy and private development projects throughout Arizona and beyond. We have earned an impeccable reputation among our clients, and maintain strong relationships with our customers. RPA’s in-house experts provide innovative and cost-effective solutions for any size project. Client satisfaction is our number one priority. RPA's engineering capabilities are of the highest caliber. Our team of highly-respected professionals are the best in the business. Our company culture is built on integrity, honesty and ethics. We have earned a reputation as an industry leader, validated by more than 40 years of successful design engineering, construction management and inspection services.