DZ Atlantic, a Day & Zimmermann company, has provided an extensive portfolio of specialty maintenance, modification and professional services for more than 30 years. Serving a diversified customer base across the utilities and process industries, DZ Atlantic has performed work in almost every state in the U.S., as well as Africa, Asia, Europe and South America.

Founded in 1974 as The Atlantic Group, DZ Atlantic specializes in maintenance and modification and related support services (including staff augmentation, craft, and QA/QC), valve services, radiological services, condenser services, fabrication and machining, professional staffing and remote surveillance technologies. With one of the most highly skilled and trained workforces in the utility industry, DZ Atlantic is trusted to deliver the experienced project management, craft and technical resources required to support the nuclear and fossil power industries' most complex projects.