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Masterline, INC.

3702 W Valley Hwy N, Ste 300, Auburn, WA 98001

ACTIVELAST SEEN IN FEDERAL DATA AUG 2026 · 2 SOURCES

Operating signal within 12 months from two or more independent sources.

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Homepage of Masterline, INC.
Their homepage, crawled JUL 2026

What they make

Air and Gas Compressor Manufacturing333912

Masterline, Inc. manufactures electric booster pumps for oxygen and specialty gases that increase gas pressure from low-pressure inlet sources to high-pressure outlet destinations. The company serves the mining industry, military, fire departments, and EMS with equipment designed for high-pressure gas applications. The text names no certifications.

SUMMARIZED FROM THE COMPANY’S OWN WEBSITE

Where it is

47.34062, -122.24967 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS

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Every listed plant in King County

Also at this address

No other federal record shares this street address.

WHERE THIS RECORD COMES FROM — 2 FEDERAL SOURCES, 8 FIELDS

Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.

SourceEvidenceFirst seenLast seen
COMPANY SITEOPERATINGJUL 2026AUG 2026
SAM GOVOPERATINGMAR 2026MAR 2026
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
FIELDSOURCESIGNAL
ADDRESS LINE1SAM GOVMAR 2026
CAGE CODESAM GOVMAR 2026
CITYSAM GOVMAR 2026
GEOMCENSUS GEOCODERJUL 2026
NAMESAM GOVMAR 2026
REGISTRATION EXPIRATIONSAM GOVMAR 2026
STATESAM GOVMAR 2026
WEBSITESAM GOVMAR 2026

Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

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