Specialty door maker inks warehouse lease in Frederick, Maryland

Senneca Holdings' subsidiaries include data center containment solutions provider

Senneca Holdings fully leased Stanford Trading Center III in Frederick, Maryland. (CoStar)

By Joshua Leslie

September 4, 2026 | 8:50 P.M.

A specialty door company that also provides airflow management and energy optimization for data centers has signed a lease to expand its operations.

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