D J Simpson Company

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
SCSimpson Coatings Group INC	South San Francisco	Paint and Coating Manufacturing 325510	◇ UNVERIFIED	0.0 KM
DKDupont Kansai	South San Francisco	Paint and Coating Manufacturing 325510	◇ UNVERIFIED	0.8 KM
CMCypris Materials INC	Alameda	Paint and Coating Manufacturing 325510	◇ UNVERIFIED	19.4 KM
AIAlco Iron & Metal	San Leandro	Adhesive Manufacturing 325520	◇ UNVERIFIED	21.4 KM
Davlin Coatings LLC	Berkeley	Asphalt Shingle and Coating Materials Manufacturing 324122	● ACTIVE	25.9 KM

Every listed plant in San Mateo County

Also at this address

No other federal record shares this street address.

Where this record comes from

1 source holds this plant, and 6 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 CARB-TCH · EPA site type STATIONARY.

• EPA Facility Registry ServiceEXISTENCE
  Record 110071742869 · first seen AUG 2024 · last seen AUG 2024

IN SAN MATEO COUNTY12 other plants share this one’s industry (Paint, Coating, and Adhesive Manufacturing, NAICS 3255); 0 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: D J SIMPSON COMPANY · NOV 2026

Street address

EPA: 111 SO MAPLE AVENUE · NOV 2026

City

EPA: SOUTH SAN FRANCISCO · NOV 2026

State

EPA: CA · NOV 2026

County (FIPS code)

EPA: 06081 · NOV 2026

Coordinates

Census geocoder: 37.650098718124,-122.414158592361 · JUL 2026