Maintenance & Modifications
Our Total Accountability Model provides a single point of contact driving accountability across safety, human performance, cost, schedule, quality, and resource supply.
Projects & Construction
Our teams are familiar with, and have worked on, virtually every primary and secondary plant system in both outage and non-outage environments, routinely executing critical and near-critical path work scopes.
Welding Services
Our experienced, highly qualified welders perform everything from large turn-key projects to small emergent scopes for nuclear and fossil utilities nationwide.
Valve Services
Our diverse services include valve repair and repacking, AOV/MOV repair and diagnostic testing, safety relief valve testing and repair, training, and mobile and in-place machining.
Scaffolding
From scaffolding design to decontamination and storage, our planning and implementation process is designed to reduce or consolidate scaffold use.
Radiological Protection
Our radiological services include a comprehensive array of health physics, decontamination, and radiological support services and personnel.
Security Screening
The Security Services management team offers more than 50 years of experience with NEI guidelines and compliance. D&Z is recognized for its innovative training program.
Protective Coatings
Durability, performance, and aesthetics, the Coatings Team specializes in delivering cutting-edge coating solutions tailored to meet your industry's unique needs.
Facts About Nuclear Power
Nuclear is the number one source of carbon-free energy in the world.
Comprises 60% of the carbon-free energy output in the United States.
Industry operated at 92% reliability last year which was a new record.
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Featured Story
Vertically-Mounted, High-Pressure Feedwater Heater Replacements
Technical expertise, welding and rigging partnerships, and a managed-task approach saved a customer more than $2 million on two challenging feedwater heater replacements.
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Featured Story
Unit Station Service Transformer Replacement
More than 1,500 feet of conduit were installed along with 32,000 feet of cable during a unit station service transformer and ground circuit breaker replacement project.
Search Open Shop Opportunities
Search Open Shop opportunities for Day & Zimmermann’s Maintenance and Construction Division.
Open Shop Opportunities
Access Open Shop opportunities from the nation's leading operations & maintenance contractor for the nuclear and fossil power markets and process and industrial markets.
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Union Trade Opportunities
Find union work opportunities and access our nuclear and fossil outage schedules.
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