Landmark Mfg INC

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
Gunnar Optiks LLC	Oceanside	Office Supplies (except Paper) Manufacturing 339940	● ACTIVE	0.4 KM
Southwest Greene International, INC	Oceanside	Iron and Steel Forging 332111	● ACTIVE	0.8 KM
HHydranautics	Oceanside	Commercial and Service Industry Machinery Manufacturing 333318	◐ LIKELY ACTIVE	6.1 KM
Opotek, LLC	Carlsbad	Commercial and Service Industry Machinery Manufacturing 333310	● ACTIVE	8.7 KM
AMApplied Membranes, Inc.	Vista	Commercial and Service Industry Machinery Manufacturing 333318	◐ LIKELY ACTIVE	8.6 KM

Every listed plant in San Diego County

Also at this address

No other federal record shares this street address.

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 RCRAINFO · EPA site type STATIONARY.

• SBA 7(a) and 504 loan recordsEXISTENCE
  first seen MAR 2025 · last seen MAR 2025
• SBA Paycheck Protection Program loan recordsEXISTENCE
  Record CA|oceanside|4112 avenida de la plata · first seen JAN 2021 · last seen JAN 2021
• EPA Facility Registry ServiceEXISTENCE
  Record 110002898990 · first seen DEC 2014 · last seen DEC 2014

IN SAN DIEGO COUNTY47 other plants share this one’s industry (Commercial and Service Industry Machinery Manufacturing, NAICS 3333); 15 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: LANDMARK MFG INC · OCT 2026

Street address

EPA: 4112 AVE DE LA PLATA · OCT 2026

City

EPA: OCEANSIDE · OCT 2026

State

EPA: CA · OCT 2026

County (FIPS code)

EPA: 06073 · OCT 2026

Coordinates

EPA: 33.211678,-117.288907 · OCT 2026

Employees (band)

SBA PPP: 1-19 · JAN 2021

PPP loan

SBA PPP: PPP loan x2, approved 2021-01-21, 14 jobs reported · JAN 2021

Hazardous waste generator (RCRA)

EPA ECHO: SQG · OCT 2026

SBA loans

SBA: 7a loan x1, jobs 11.0 · MAR 2025