Turner Construction Co., a construction management company, is relocating its office to 4200 Corporate Drive in West Des Moines, the firm announced. The company is currently located at 1415 28th St. in West Des Moines. Turner, which has over 300 employees in Iowa, is spearheading the build out of the 8,000-square-foot office that is expected to be completed by the summer. R&R Realty Group is the new location’s landlord. “Five years ago, we officially announced our permanent investment in Iowa with the formation of our Iowa Business Unit,” Zach Loy, Turner vice president and general manager, said in a news release. “We have since … outgrown two office locations. We are thrilled to further enhance our investment in Iowa with the expansion and relocation of our office in West Des Moines. The new space will enable us to better serve our clients throughout the state with exceptional construction and planning solutions.”