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Welcome to RITOCH-POWELL & Associates

Your Devoted Engineering and Surveying Resource

RPA is a full service civil engineering and surveying firm specializing in transportation, public works, and private development projects throughout Arizona.  We have built an impeccable reputation of providing quality services with our registered professionals and
highly-skilled technical staff.  
“Our purpose is to help our clients and
 our people realize their aspirations.” ~ Karl Obergh, PE, Principal

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