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Vanderhorst Brothers INC

1715 Surveyor Ave, Simi Valley, CA 93063

LIKELY ACTIVELAST SEEN IN FEDERAL DATA DEC 2025 · 5 SOURCES

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

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What they make

Machine Shops332710

Where it is

34.26877, -118.71887 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS

Other plants nearby

FacilityCityIndustryStatusDistance
Sheet Metal EngineeringSimi ValleySheet Metal Work Manufacturing
332322
ACTIVE0.2 KM
Ferrum Engineering INCSimi ValleyPrecision Turned Product Manufacturing
332721
UNVERIFIED1.0 KM
White Rhino Industries INCSimi ValleyShowcase, Partition, Shelving, and Locker Manufacturing
337215
LIKELY ACTIVE1.0 KM
Udash CorporationSimi ValleyMachine Shops
332710
LIKELY ACTIVE1.1 KM
C & a Machining INCSimi ValleyMachine Shops
332710
LIKELY ACTIVE1.6 KM

Every listed plant in Ventura County

Also at this address

No other federal record shares this street address.

Where this record comes from

5 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, NPDES, RCRAINFO · EPA site type STATIONARY.

  • OSHA injury and illness reportsOPERATING
    Record 1082849 · first seen DEC 2025 · last seen DEC 2025
  • DOL Form 5500 retirement plan filingsOPERATING
    Record 953360805|CA|93063|1715 surveyor ave · first seen DEC 2024 · last seen DEC 2024
  • EPA Facility Registry ServiceEXISTENCE
    Record 110070088601 · first seen AUG 2022 · last seen AUG 2022
  • EPA ECHO compliance recordsOPERATING
    first seen AUG 2022 · last seen AUG 2022
  • SBA Paycheck Protection Program loan recordsEXISTENCE
    Record CA|simi valley|1715 surveyor ave · first seen JAN 2021 · last seen JAN 2021

IN VENTURA COUNTY65 other plants share this one’s industry (Machine Shops; Turned Product; and Screw, Nut, and Bolt Manufacturing, NAICS 3327); 23 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: VANDERHORST BROTHERS INC · OCT 2026
Street address
EPA: 1715 SURVEYOR AVE · OCT 2026
City
EPA: SIMI VALLEY · OCT 2026
State
EPA: CA · OCT 2026
County (FIPS code)
EPA: 06111 · OCT 2026
Coordinates
EPA: 34.26877,-118.71887 · OCT 2026
Employees (band)
OSHA: 20-99 · DEC 2025
Retirement plan filing (Form 5500)
DOL: 36 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024
PPP loan
SBA PPP: PPP loan x2, approved 2021-01-29, 50 jobs reported · JAN 2021
Hazardous waste generator (RCRA)
EPA ECHO: SQG · OCT 2026

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