Day & Zimmermann services

Founded more than a century ago on ground-breaking engineering and design services for the industrial sector, D&Z continues that legacy of innovation today offering a comprehensive range of engineering and design services, from concept through commissioning of grassroots facilities, retrofits, and upgrades. With expertise focused in the advanced manufacturing, chemical, food & beverage, and petroleum refining industries, we deliver engineering services and solutions that meet the needs of global market leaders.

Day & Zimmermann has extensive capabilities to self-perform construction throughout the U.S. Where appropriate, Day & Zimmermann provides union craft labor through its affiliate, Day & Zimmermann NPS.  We attract and develop talent with the right skills, ideas, and experience to deliver creative, intelligent solutions for our customers’ most challenging construction needs. From project managers, planners, and estimators, to supervisors, field engineers, and skilled craft labor, Day & Zimmermann’s construction professionals efficiently transition concepts and plans into completed projects with a focus on safety, cost, and schedule.

Day & Zimmermann is a nationally recognized provider of diversified services and outsourcing solutions for the government sector. As a Top 100 defense contractor, we have successfully delivered staff augmentation and management services for a broad spectrum of government and military projects for decades.