Day & Zimmermann

Day & Zimmermann is a multi-billion dollar family-owned company that provides engineering, construction, maintenance, and staffing services, with a significant specialized focus on the Life Sciences industry. The company's Life Sciences division provides Engineering, Procurement, and Construction Management (EPCM) services for pharmaceutical, biotechnology, and medical device manufacturing facilities. They specialize in the design, commissioning, and validation of high-tech facilities, ensuring compliance with stringent regulatory standards such as GMP. Through its subsidiary Yoh, the company also provides specialized workforce solutions, including clinical and scientific staffing for R&D and manufacturing environments. Headquartered in Philadelphia, Day & Zimmermann supports major global pharmaceutical companies in scaling their production infrastructure and operational capabilities.