Heavy industrial EPC and operations contractor with 37,000+ employees across 900+ locations
Day & Zimmermann operates across construction, engineering, operations & maintenance, staffing, and defense with a sprawling footprint: 37,000+ employees, $3B annual revenue, 900+ locations. Their tech stack is heavily SAP-centric (ERP, HR, analytics) layered with specialized industrial tools (AutoCAD, Primavera P6, PLC), reflecting a mature, regulated business managing complex capital projects. Active hiring across construction and engineering roles, plus recent adoption of proprietary GenAI tools, signals they're tackling forecasting and scheduling pain points that plague large EPC contractors.
Notable leadership hires: Program Director
Day & Zimmermann is a privately held industrial contractor founded in 1901, headquartered in Philadelphia. The company manages engineering, procurement, and construction (EPC) projects in nuclear power and combined-cycle power generation, alongside operations & maintenance, staffing, and security/defense operations. With 37,000+ employees distributed across 900+ locations primarily in the US and Canada, Day & Zimmermann serves mid-sized to enterprise industrial customers. Current project focus includes major nuclear and power generation builds, equipment upgrades, lean manufacturing initiatives, and continuous improvement programs—all underpinned by SAP-based project controls and analytics.
SAP (ERP, FI, CO, SD, MM, PS, Analytics Cloud, SuccessFactors), Primavera P6, AutoCAD, Microsoft Office suite, Power BI, Blackline, and industrial control systems (PLC, RFID, Cisco ASA, F5 BIG-IP).
The company has 37,000+ employees across 900+ workplace locations globally, with annual revenue of $3 billion USD.
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