Phaostron Instrument and Electronic Company

What they make

Where it is

Other plants nearby

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Every listed plant in Los Angeles County

Also at this address

1 other record shares this street address. Separate filings can describe distinct businesses on one site, or the same plant recorded by different agencies, so every record is kept rather than merged away.

Where this record comes from

3 sources hold this plant, and 10 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 CA-ENVIROVIEW, EIS, ICIS, NPDES, RCRAINFO · EPA site type STATIONARY.

• SAM.gov entity registrationOPERATING
  Record S33HL8H4E2C4 · first seen JAN 2026 · last seen JAN 2026
• EPA Facility Registry ServiceEXISTENCE
  Records 110070256216, 110071774637 · first seen MAR 2020 · last seen AUG 2024
• SBA Paycheck Protection Program loan recordsEXISTENCE
  Record CA|azusa|717 n coney ave · first seen APR 2020 · last seen APR 2020

ALSO RECORDED ASPHAOSTRON INSTRUMENT & ELECTRONIC CO; PHAOSTRON INSTRUMENTS AND ELECTRONICS

IN LOS ANGELES COUNTY338 other plants share this one’s industry (Navigational, Measuring, Electromedical, and Control Instruments Manufacturing, NAICS 3345); 73 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: PHAOSTRON INSTRUMENT & ELECTRONIC CO · JUL 2026

SAM.gov: PHAOSTRON INSTRUMENT AND ELECTRONIC COMPANY · JAN 2026 · ON THIS PAGE

Street address

EPA: 717 N CONEY AVE · JUL 2026 · ON THIS PAGE

SAM.gov: 717 N CONEY AVE · JAN 2026 · ON THIS PAGE

City

EPA: AZUSA · JUL 2026 · ON THIS PAGE

SAM.gov: AZUSA · JAN 2026 · ON THIS PAGE

State

EPA: CA · JUL 2026 · ON THIS PAGE

SAM.gov: CA · JAN 2026 · ON THIS PAGE

County (FIPS code)

EPA: 06037 · SEP 2026

CoordinatesSOURCES DISAGREE

Census geocoder: 34.134362210345,-117.921857408261 · SEP 2026

EPA: 34.13452,-117.92225 · JUL 2026 · ON THIS PAGE

Employees (band)

SBA PPP: 20-99 · APR 2020

CAGE code

SAM.gov: 77221 · JAN 2026

PPP loan

SBA PPP: PPP loan x1, approved 2020-04-15, 39 jobs reported · APR 2020

SAM registration expires

SAM.gov: 2027-01-12 · JAN 2026