RBF Consulting, a Company of Michael Baker Corporation, is one of the United States' leading planning, design and construction firms. The firm began operation as a surveying firm in Costa Mesa, Calif. in 1944. Based in TUCSON, Ariz., RBF Consulting provides consulting services for planning, civil engineering, design, surveying and construction management. It caters the varied needs of its clients, which include public and governmental agencies, the development community, private enterprise, non-profit organizations and colleague firms. The firm has attained a rank of 104 on the ENR Top 500 Engineering Firms list and ranks 72 by ENR in the Top Pure Design category in the United States.