All Materials Manufacturing CO LLC

What they make

• precision turned
• milled components
• manual machining
• defense
• high-reliability industries
• ITAR registered
• Woman-Owned Small

NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
PAPrecise Aero Products, INC	Riverside	Machine Shops 332710	◐ LIKELY ACTIVE	0.1 KM
Jaffa Precision Engineering, INC.	Riverside	Machine Shops 332710	● ACTIVE	0.2 KM
Proformance Manufacturing, INC.	Corona	Cutlery and Handtool Manufacturing 332214	● ACTIVE	3.1 KM
Caldraul Johnson, INC	Corona	Other Aircraft Parts and Auxiliary Equipment Manufacturing 336413	● ACTIVE	3.1 KM
Arms Precision, INC.	Corona	Machine Shops 332710	● ACTIVE	4.6 KM

Every listed plant in Riverside County

Also at this address

No other federal record shares this street address.

Where this record comes from

3 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 RCRAINFO · EPA site type STATIONARY.

• The company’s own websiteOPERATING
  first seen JUL 2026 · last seen OCT 2026
• SAM.gov entity registrationOPERATING
  Record M8UUBJPZ4S24 · first seen MAY 2026 · last seen MAY 2026
• EPA Facility Registry ServiceEXISTENCE
  Record 110071420170 · first seen MAY 2023 · last seen MAY 2023

ALSO RECORDED ASCONTRACT MANUFACTURING SERVICES, INC.

IN RIVERSIDE COUNTY90 other plants share this one’s industry (Machine Shops; Turned Product; and Screw, Nut, and Bolt Manufacturing, NAICS 3327); 31 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.

NameSOURCES DISAGREE

EPA: CONTRACT MANUFACTURING SERVICES, INC. · JUL 2026

SAM.gov: ALL MATERIALS MANUFACTURING CO LLC · MAY 2026 · ON THIS PAGE

Street address

EPA: 12166 SEVERN WAY · JUL 2026 · ON THIS PAGE

SAM.gov: 12166 SEVERN WAY · MAY 2026 · ON THIS PAGE

City

EPA: RIVERSIDE · JUL 2026 · ON THIS PAGE

SAM.gov: RIVERSIDE · MAY 2026 · ON THIS PAGE

State

EPA: CA · JUL 2026 · ON THIS PAGE

SAM.gov: CA · MAY 2026 · ON THIS PAGE

County (FIPS code)

EPA: 06065 · SEP 2026

CoordinatesSOURCES DISAGREE

Census geocoder: 33.89647270937,-117.499523123348 · JUL 2026 · ON THIS PAGE

EPA: 33.896632,-117.499275 · JUL 2026

Website

SAM.gov: https://www.ammcomfg.com/ · MAY 2026

CAGE code

SAM.gov: 14D23 · MAY 2026

SAM registration expires

SAM.gov: 2027-05-01 · MAY 2026