Certainteed CORP

10131 Governor Ln. Blvd. P.o. Box 290, Williamsport, MD 21795

LIKELY ACTIVELAST SEEN IN FEDERAL DATA APR 2025 · 3 SOURCES

Operating signal within 24 months, or from a single source.

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What they make

All Other Plastics Product Manufacturing326199

Where it is

39.59275, -77.80670 · CENSUS TIGER

COUNTY

Washington County

METRO AREA

Hagerstown-Martinsburg, MD-WV

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Other plants nearby

Facility	City	Industry	Status	Distance
CertainTeed Corporation Williamsport Maryland	Williamsport	All Other Plastics Product Manufacturing 326199	LIKELY ACTIVE	0.1 KM
Xerxes CORP	Williamsport	All Other Plastics Product Manufacturing 326199	LIKELY ACTIVE	3.2 KM
Ring Container Hagerstown	Hagerstown	Plastics Bottle Manufacturing 326160	LIKELY ACTIVE	4.0 KM
Performance Pipe	Hagerstown	Plastics Pipe and Pipe Fitting Manufacturing 326122	LIKELY ACTIVE	5.3 KM
Fabricated Extrusion Company of Maryland, LLC	Hagerstown	All Other Plastics Product Manufacturing 326199	LIKELY ACTIVE	7.3 KM

Every listed plant in Washington County

Also at this address

No other federal record shares this street address.

Where this record comes from

3 sources hold this plant, and 7 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 AIR, AIRS/AFS, EIS, MD-EPSC, MD-PEMIS, NPDES, RCRAINFO, TRIS · EPA site type STATIONARY.

EPA ECHO compliance recordsOPERATING
first seen APR 2025 · last seen APR 2025
EPA Toxics Release InventoryOPERATING
first seen DEC 2023 · last seen DEC 2024
EPA Facility Registry ServiceEXISTENCE
Record 110000340505 · first seen JUN 2017 · last seen JUN 2017

IN WASHINGTON COUNTY6 other plants share this one’s industry (Plastics Product Manufacturing, NAICS 3261); 4 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: CERTAINTEED CORP · OCT 2026
Street address: EPA: 10131 GOVERNOR LN. BLVD. P.O. BOX 290 · OCT 2026
City: EPA: WILLIAMSPORT · OCT 2026
State: EPA: MD · OCT 2026
County (FIPS code): EPA: 24043 · OCT 2026
Coordinates: EPA: 39.59275,-77.8067 · OCT 2026
Hazardous waste generator (RCRA): EPA ECHO: VSQG · OCT 2026

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