Diamond Mattress

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
DMDiamond Mattress	Rancho Dominguez	Mattress Manufacturing 337910	◐ LIKELY ACTIVE	1.1 KM
ASAtlantic/pacific Shutter CO INC	Rancho Dominguez	Blind and Shade Manufacturing 337920	◇ UNVERIFIED	2.3 KM
Socal Blanks Ent, INC.	Carson	Apparel Knitting Mills 315120	● ACTIVE	5.2 KM
CMCoronet Mfg CO INC	Gardena	Electric Lighting Equipment Manufacturing 335121	◇ UNVERIFIED	6.2 KM
SMSealy Mattress	South Gate	All Other Miscellaneous Wood Product Manufacturing 321999	◇ UNVERIFIED	10.7 KM

Every listed plant in Los Angeles County

Also at this address

No other federal record shares this street address.

Where this record comes from

1 source holds this plant, and 7 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.

• EPA Facility Registry ServiceEXISTENCE
  Record 110070592250 · first seen AUG 2019 · last seen AUG 2019

IN LOS ANGELES COUNTY33 other plants share this one’s industry (Other Furniture Related Product Manufacturing, NAICS 3379); 4 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: DIAMOND MATTRESS · OCT 2026

Street address

EPA: 3131 MARIA ST · OCT 2026

City

EPA: COMPTON · OCT 2026

State

EPA: CA · OCT 2026

County (FIPS code)

EPA: 06037 · OCT 2026

Coordinates

EPA: 33.859146,-118.205851 · OCT 2026

Hazardous waste generator (RCRA)

EPA ECHO: none · OCT 2026