FactoryRegistry

Manufacturing in Riverside-San Bernardino-Ontario, CA

As of JUL 2026, FactoryRegistry lists 4,465 manufacturing facilities in the Riverside-San Bernardino-Ontario, CA metropolitan area, sourced from EPA, OSHA and Census records.

FACILITIES
4,465
CITIES
10
TOP INDUSTRY
Fabricated Metal Product Manufacturing

Top cities

Ontario, CA (583)Corona, CA (403)Riverside, CA (394)Fontana, CA (279)Chino, CA (247)Rancho Cucamonga, CA (235)San Bernardino, CA (177)Temecula, CA (149)Adelanto, CA (118)Murrieta, CA (104)

Facilities

Ameriflex, INC.
Corona, CA
ACTIVE332999EMP 20-99
Astro Seal, INC
Riverside, CA
ACTIVE334417EMP 1-19
Crown Technical Systems
Fontana, CA
ACTIVE332311EMP 100-499
Danco En, LLC
Ontario, CA
ACTIVE332813EMP 20-99
Esl Power Systems, INC.
Corona, CA
ACTIVE335999EMP 100-499
Laminated Shim CO INC
Corona, CA
ACTIVE332722EMP 20-99
New World Medical Incorporated
Rancho Cucamonga, CA
ACTIVE339112EMP 100-499
Pacific Forge, INC.
Fontana, CA
ACTIVE332111EMP 20-99
Pro-cast Products INC
Highland, CA
ACTIVE327390EMP 100-499
Solar Atmospheres of California INC
Fontana, CA
ACTIVE332811EMP 20-99
Stretch Forming Corporation
Perris, CA
ACTIVE332114EMP 20-99
Temecula Quality Plating, INC.
Temecula, CA
ACTIVE332813EMP 20-99
Thermal Structures, INC
Corona, CA
ACTIVE327993EMP 100-499
Transducer Techniques, LLC
Temecula, CA
ACTIVE334419EMP 20-99
Aluminum Die Casting Company, INC.
Jurupa Valley, CA
ACTIVE331523EMP 20-99
Copan Diagnostics, INC.
Murrieta, CA
ACTIVE339112EMP 20-99
General Micro Systems, INC
Rancho Cucamonga, CA
ACTIVE334111EMP 20-99
International E-z Up, INC.
Norco, CA
ACTIVE314910EMP 100-499
Mk Magnetics, INC.
Adelanto, CA
ACTIVE334419EMP 20-99
Office Master INC.
Ontario, CA
ACTIVE337214EMP 20-99
Penwal Industries INC
Rancho Cucamonga, CA
ACTIVE339999EMP 20-99
Quick Crete Products Corporation
Norco, CA
ACTIVE327390EMP 100-499
Shed World, LLC
Oak Hills, CA
ACTIVE321992EMP 20-99
Shim It Manufacturing CORP
Corona, CA
ACTIVE332722EMP 1-19
Squires Lumber Company
Colton, CA
ACTIVE321113EMP 20-99
Stutz Packing Company
Indio, CA
ACTIVE311423EMP 20-99
3m Oak Hills
Oak Hills, CA
LIKELY ACTIVE327910
Ace Heaters LLC
Corona, CA
LIKELY ACTIVE332410
Acker Stone Industries, INC
Corona, CA
LIKELY ACTIVE327331
Adams & Brooks
San Bernardino, CA
LIKELY ACTIVE311314EMP 20-99
Adapt Automation, INC.
Corona, CA
LIKELY ACTIVE333519
Adelanto Plant 19
Adelanto, CA
LIKELY ACTIVE327320EMP 20-99
Advanced Precision, INC.
Chino, CA
LIKELY ACTIVE331523
Aerospace and Defense Manufacturing INC.
Temecula, CA
LIKELY ACTIVE333514
Afc Cable Systems INC
Chino, CA
LIKELY ACTIVE332618EMP 20-99
Alger Precision Machining LLC
Ontario, CA
LIKELY ACTIVE332721EMP 100-499
All American Asphalt
Corona, CA
LIKELY ACTIVE324121EMP 500+
Allied Mechanical
Ontario, CA
LIKELY ACTIVE332710EMP 100-499
Alvarado Manufacturing CO INC
Chino, CA
LIKELY ACTIVE332323
American Beef Packers, INC.
Chino, CA
LIKELY ACTIVE311611
American Handforge
Rialto, CA
LIKELY ACTIVE332112EMP 20-99
Amphastar Pharmaceuticals, INC.
Rancho Cucamonga, CA
LIKELY ACTIVE325412
Amro Fabricating Corporation
Corona, CA
LIKELY ACTIVE332312EMP 20-99
Anco International, INC
San Bernardino, CA
LIKELY ACTIVE332912
Angeles Precision Engineering, INC.
Ontario, CA
LIKELY ACTIVE331111
Aoc LLC
Perris, CA
LIKELY ACTIVE325211EMP 500+
Approved Aeronautics, LLC
Corona, CA
LIKELY ACTIVE334511
Aquamor, LLC
Temecula, CA
LIKELY ACTIVE332999EMP 100-499
Architectural Design & Signs
Corona, CA
LIKELY ACTIVE339950EMP 100-499
Artesia Sawdust Products INC
Ontario, CA
LIKELY ACTIVE321999EMP 1-19