HENSEL PHELPS CONSTRUCTION CO.

Hensel Phelps Construction Co. specializes in the design-build and renovation of commercial and institutional facilities for federal clients, with a demonstrated focus on mission-critical laboratory and research infrastructure. Their core capabilities include full-cycle construction management of complex institutional buildings, encompassing structural upgrades, MEP system integration, environmental control systems, and compliance with federal building codes and safety standards. The contractor excels in delivering sensitive facilities such as biosciences labs and government research laboratories, requiring precise coordination of ventilation, contamination control, and hazardous material handling. Their technical expertise extends to adaptive reuse of legacy structures, seamless integration of modern scientific equipment, and maintaining operational continuity during phased renovations—all while adhering to stringent federal facility requirements. The company maintains a consistent relationship with the Department of the Interior and the Department of Defense, delivering high-integrity construction services for scientific and operational facilities. For the Interior, they have executed renovations of historic federal buildings at Moffett Field, including first-floor modernizations and laboratory expansions for USGS operations. With the Department of Defense, they have constructed specialized plant biosciences facilities, indicating proficiency in secure, high-containment environments tailored to federal research missions. Hensel Phelps operates primarily under NAICS 236220, focusing on commercial and institutional building construction, with a distinct vertical specialization in federal science and technology infrastructure. Their market positioning centers on mission-driven construction for government research, environmental monitoring, and defense-related facilities requiring precision engineering and regulatory adherence. As a privately held entity headquartered in Pleasanton, California, Hensel Phelps maintains a regional presence in the western U.S. federal market. While no government certifications are listed, their track record reflects deep familiarity with federal procurement protocols, facility security standards, and the unique demands of constructing within sensitive government campuses.