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Day & Zimmermann provides maintenance and construction services that restore, preserve, and expand the capacity of chemical facilities.

What We Do

Maintenance & Modifications

Our Total Accountability Model provides a single point of contact driving accountability across safety, human performance, cost, schedule, quality, and resource supply.

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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.

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Welding Services

Our experienced, highly qualified welders perform everything from large turn-key projects to small emergent scopes for nuclear and fossil utilities nationwide.

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Flexible execution strategies include site-based teams, in-plant staff augmentation and seconded personnel, and office-based project execution.

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Valve Services

Our full-scope capabilities are an integrated approach, including valve and operator testing, repair, and refurbishment.

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From scaffolding design to decontamination and storage, our planning and implementation process is designed to reduce or consolidate scaffold use.

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Facts About the Chemical Industry

American chemistry is the second-largest chemical producer by country, providing nearly 14% of the world's chemicals

More than 13,000 firms produce 70,000+ products

The U.S. accounts for 10% of all U.S. good exports, $140 billion annually, and we are among the nation's largest exporters

The U.S. provides 542,000 skilled, good-paying American jobs

For every job created by the business of chemistry, 7.2 are generated elsewhere in the economy, totaling more than 4.4 million jobs

Success Stories

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D&Z's EPC Execution Strategy Saves Customer Millions

Day & Zimmermann transitioned and executed more than 425 capital and maintenance projects at three locations for a large chemical company. 

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Large U.S. chemical production plant chooses D&Z to convert their industrial boilers to meet EPA guidelines

With critical schedule constraints to convert their coal-fired industrial boilers to meet EPA guidelines, our client selected Day & Zimmermann as its contractor – continuing a 30-year relationship at their North American sites.

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D&Z increases engineering productivity while reducing costs

Day & Zimmermann (D&Z) was awarded engineering work at a specialty chemical manufacturing company. We provided preliminary P&IDs, piping and valve specifications, and electrical and instrumentation design in the following areas.

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