Kleinfelder, Inc. is an engineering, construction management, design and environmental professional services firm. Kleinfelder operates over 100 office locations in the United States, Canada, and Australia. The company headquarters is located in San Diego, California. Kleinfelder is ranked 67th in Engineering News-Record's 2019 Top 500 Design Firm rankings. In 1961, the company was founded by Jim Kleinfelder in Stockton, California under the name of Stockton Testing and Controls. The company was primarily involved in construction materials testing. More information...
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