Facility	City	Industry	Status	Distance
Mapsco Plant 2	Seattle	Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers 332812	LIKELY ACTIVE	0.1 KM
Seattle Boiler Works INC	Seattle	Power Boiler and Heat Exchanger Manufacturing 332410	ACTIVE	1.3 KM
Repair Technology INC	Seattle	Electroplating, Plating, Polishing, Anodizing, and Coloring 332813	UNVERIFIED	1.4 KM
Pioneer Industries Seattle	Seattle	Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers 332812	UNVERIFIED	1.3 KM
Ace Galvanizing INC 96th	Seattle	Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers 332812	LIKELY ACTIVE	1.5 KM

Every listed plant in King County

Also at this address

No other federal record shares this street address.

Where this record comes from

4 sources hold this plant, and 9 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, RCRAINFO, TRIS, WA-FSIS · EPA site type STATIONARY.

The company’s own websiteOPERATING
first seen JUL 2026 · last seen OCT 2026
SAM.gov entity registrationOPERATING
Record S8VFTNG8DQP9 · first seen JUN 2026 · last seen OCT 2026
EPA Facility Registry ServiceEXISTENCE
Record 110000897815 · first seen SEP 2024 · last seen AUG 2026
OSHA injury and illness reportsOPERATING
Record 1508300 · first seen DEC 2025 · last seen DEC 2025

ALSO RECORDED ASMAGNETIC AND PENETRANT SERVICES CO INC

IN KING COUNTY46 other plants share this one’s industry (Coating, Engraving, Heat Treating, and Allied Activities, NAICS 3328); 8 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.

NameSOURCES DISAGREE: EPA: MAGNETIC AND PENETRANT SERVICES CO INC · JUL 2026; SAM.gov: MAGNETIC & PENETRANT SERVICES CO., INC. · ON THIS PAGE
Street address: EPA: 8135 1ST AVE S · JUL 2026 · ON THIS PAGE; SAM.gov: 8135 1ST AVE S. · ON THIS PAGE
City: EPA: SEATTLE · JUL 2026 · ON THIS PAGE; SAM.gov: SEATTLE · ON THIS PAGE
State: EPA: WA · JUL 2026 · ON THIS PAGE; SAM.gov: WA · ON THIS PAGE
Coordinates: EPA: 47.529338,-122.335695 · JUL 2026
Employees (band): OSHA: 100-499 · DEC 2025
Website: SAM.gov: www.valencesurfacetech.com
CAGE code: SAM.gov: 1DKG3
SAM registration expires: SAM.gov: 2027-03-19

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