Facility	City	Industry	Status	Distance
Northrop Grumman Poly Scientific	Springfield	Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511	UNVERIFIED	2.5 KM
The Cemtech Delmar Partnership INC	Media	Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables 334513	LIKELY ACTIVE	5.1 KM
Chronolog CORP	Havertown	Electromedical and Electrotherapeutic Apparatus Manufacturing 334510	ACTIVE	6.9 KM
Dragonfly Pictures, INC.	Essington	Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511	ACTIVE	7.0 KM
Protokinetics LLC	Havertown	Electromedical and Electrotherapeutic Apparatus Manufacturing 334510	ACTIVE	7.7 KM

Every listed plant in Delaware County

Also at this address

No other federal record shares this street address.

Where this record comes from

1 source holds this plant, and 5 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.

EPA cross-references this facility in OSHA-OIS.

EPA Facility Registry ServiceEXISTENCE
Record 110070277560 · first seen SEP 2018 · last seen SEP 2018

IN DELAWARE COUNTY18 other plants share this one’s industry (Navigational, Measuring, Electromedical, and Control Instruments Manufacturing, NAICS 3345); 10 of them have a size band on record.

What each source says

Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

Name: EPA: TRISTATE IMAGING · OCT 2026
Street address: EPA: 891 BALTIMOR PIKE SUITE 1 · OCT 2026
City: EPA: SPRINGFIELD · OCT 2026
State: EPA: PA · OCT 2026
Coordinates: EPA: 39.91553,-75.33787 · OCT 2026

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