Master Sign CO.

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
CLCcl Label	Upland	Commercial Printing (except Screen and Books) 323111	◐ LIKELY ACTIVE	0.5 KM
SPStonewerx Promotional	Upland	Apparel Accessories and Other Apparel Manufacturing 315990	● ACTIVE	0.9 KM
HPHelen's Place, Inc	Upland	Printing 323114	◇ UNVERIFIED	2.3 KM
Ultimate Print Source, INC.	Claremont	Commercial Printing (except Screen and Books) 323111	● ACTIVE	3.0 KM
Cardinal Amber LLC	Upland	Institutional Furniture Manufacturing 337127	● ACTIVE	3.4 KM

Every listed plant in San Bernardino 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 110071464452 · first seen SEP 2023 · last seen SEP 2023

IN SAN BERNARDINO COUNTY80 other plants share this one’s industry (Printing and Related Support Activities, NAICS 3231); 17 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: MASTER SIGN CO. · OCT 2026

Street address

EPA: 1846B WEST 11TH ST. · OCT 2026

City

EPA: UPLAND · OCT 2026

State

EPA: CA · OCT 2026

County (FIPS code)

EPA: 06071 · OCT 2026

Coordinates

EPA: 34.103206,-117.687011 · OCT 2026

Hazardous waste generator (RCRA)

EPA ECHO: none · OCT 2026