Marples Gears, INC.
1310 Mountain View Cir, Azusa, CA 91702
Operating signal within 12 months from two or more independent sources.
What they make
Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing333612- gear cutting
- CNC machining
- aerospace
- medical
- instrumentation
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
CERTIFICATIONS — LISTED ON THE COMPANY’S WEBSITE
- AS9100
- ISO 9001
- ITAR registered
Read from this company’s own website on September 11, 2026. Nobody at the facility has confirmed it here, and FactoryRegistry has not verified these — unlike operating status, which comes from independent public records. A certificate can lapse without the website changing, so ask the facility for current ones.
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Gale Banks Engineering | Azusa | Other Engine Equipment Manufacturing 333618 | ACTIVE | 3.4 KM |
| Banks Technologies | Azusa | Other Engine Equipment Manufacturing 333618 | ACTIVE | 3.5 KM |
| Composites Horizons, LLC | Covina | All Other Plastics Product Manufacturing 326199 | ACTIVE | 5.9 KM |
| Millifab INC. | Covina | Machine Shops 332710 | LIKELY ACTIVE | 6.0 KM |
| Linear Industries, LTD. | Monrovia | Ball and Roller Bearing Manufacturing 332991 | LIKELY ACTIVE | 6.0 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
4 sources hold this plant, and 12 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 RCRAINFO · EPA site type STATIONARY.
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen OCT 2026
- SAM.gov entity registrationOPERATINGRecord JFGYV2K89469 · first seen MAR 2026 · last seen OCT 2026
- DOL Form 5500 retirement plan filingsOPERATINGRecord 954226164|CA|91702|1310 mountain view cir · first seen DEC 2024 · last seen DEC 2024
- EPA Facility Registry ServiceEXISTENCERecord 110071455357 · first seen SEP 2023 · last seen SEP 2023
IN LOS ANGELES COUNTY32 other plants share this one’s industry (Engine, Turbine, and Power Transmission Equipment Manufacturing, NAICS 3336); 9 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: MARPLES GEARS INC · JUL 2026 · ON THIS PAGE
- SAM.gov: MARPLES GEARS, INC. · ON THIS PAGE
- Street address
- EPA: 1310 MOUNTAIN VIEW CIR · JUL 2026 · ON THIS PAGE
- SAM.gov: 1310 MOUNTAIN VIEW CIR · ON THIS PAGE
- City
- EPA: AZUSA · JUL 2026 · ON THIS PAGE
- SAM.gov: AZUSA · ON THIS PAGE
- State
- EPA: CA · JUL 2026 · ON THIS PAGE
- SAM.gov: CA · ON THIS PAGE
- County (FIPS code)
- EPA: 06037 · SEP 2026
- Coordinates
- EPA: 34.144909,-117.925844 · JUL 2026
- Employees (band)
- DOL: 1-19 · DEC 2024
- Website
- SAM.gov: marplesgears.com
- Year established
- Company website: 1942 · AUG 2026
- CAGE code
- SAM.gov: 19195
- Retirement plan filing (Form 5500)
- DOL: 16 active participants, plan year ending 2024-12-31, 2 plan(s) · DEC 2024
- SAM registration expires
- SAM.gov: 2027-03-13