Richardson Steel INC

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
SSStruc Steel INC	Spring Valley	Fabricated Structural Metal Manufacturing 332312	◐ LIKELY ACTIVE	0.2 KM
GIGamboa INC	Spring Valley	Fabricated Structural Metal Manufacturing 332312	◇ UNVERIFIED	0.3 KM
Whitmore Steel, INC	Spring Valley	Fabricated Structural Metal Manufacturing 332312	● ACTIVE	0.3 KM
CMCrafted Metals, Incorporated a California CORP	Spring Valley	All Other Miscellaneous Fabricated Metal Product Manufacturing 332999	◐ LIKELY ACTIVE	0.3 KM
PC Iron, INC	Spring Valley	Fabricated Structural Metal Manufacturing 332312	● ACTIVE	0.5 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

4 sources hold this plant, and 9 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-CERS, CA-ENVIROVIEW, NPDES, RCRAINFO · EPA site type STATIONARY.

• DOL Form 5500 retirement plan filingsOPERATING
  Record 330819041|CA|91977|9102 harness st · first seen JUN 2025 · last seen JUN 2025
• SBA Paycheck Protection Program loan recordsEXISTENCE
  Record CA|spring valley|9102 harness st · first seen APR 2020 · last seen APR 2020
• EPA ECHO compliance recordsOPERATING
  first seen SEP 2019 · last seen SEP 2019
• EPA Facility Registry ServiceEXISTENCE
  Record 110055743129 · first seen OCT 2015 · last seen OCT 2015

IN SAN DIEGO COUNTY129 other plants share this one’s industry (Architectural and Structural Metals Manufacturing, NAICS 3323); 37 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: RICHARDSON STEEL INC · OCT 2026

Street address

EPA: 9102 HARNESS ST · OCT 2026

City

EPA: SPRING VALLEY · OCT 2026

State

EPA: CA · OCT 2026

Coordinates

EPA: 32.71903,-117.00306 · OCT 2026

Employees (band)

DOL: 20-99 · JUN 2025

Retirement plan filing (Form 5500)

DOL: 29 active participants, plan year ending 2025-06-30, 1 plan(s) · JUN 2025

PPP loan

SBA PPP: PPP loan x1, approved 2020-04-28, 20 jobs reported · APR 2020

Hazardous waste generator (RCRA)

EPA ECHO: none · OCT 2026