Chemical Processing · CA · page 3
Chemical Processing manufacturers in California
606 domestic chemical processing suppliers in California. Fabrication and machining for corrosive, high-pressure, and high-temperature service, where weld integrity and code compliance keep hazardous processes contained.
#1
of 50 by manufacturers listed
- 606
- In this state
- 12.9%
- Share of industry
- 28
- Set-aside registered
- 10
- Federal track record
of 50 on this page
of 50 hold awards
Standards that matter in chemical processing
3 to specify- ASME (U/S stamp)
- ASME B31.3
- ISO 9001:2015
Listings carry the federal set-aside registrations a company filed in SAM, not its quality-system certificates. Ask each shop for the current certificate and its scope before you release a drawing.
Chemical Processing suppliers in California
page 3 of 13- 101

Petaluma, CA · est. 1993
Industrial Chemicals & Gases
$3.8M
- 102

Tustin, CA · est. 1980
Industrial Chemicals & Gases · Plastics & Rubber
Veteran-owned—
- 103

Visalia, CA · est. 2024
Medical Devices
Labor Surplus Area Firm—
- 104

Santa Fe Springs, CA · est. 1999
Pharmaceutical Preparation Manufacturing
Small disadvantaged—
- 105

San Diego, CA · est. 2020
Industrial Chemicals & Gases
$55K
- 106
Fresno, CA · est. 2025
Industrial Chemicals & Gases
Woman-owned—
- 107
Industrial Chemicals & Gases
—
- 108

Palo Alto, CA · est. 2019
Pharmaceutical Preparation Manufacturing
—
- 109

Burbank, CA · est. 2003
Pharmaceutical Preparation Manufacturing
$222K
- 110

Fremont, CA · est. 2014
Pharmaceutical Preparation Manufacturing
Minority-owned—
- 111

Menlo Park, CA · est. 1993
Industrial Chemicals & Gases
Minority-owned$18K
- 112

Duarte, CA · est. 2017
Industrial Chemicals & Gases
Small disadvantaged+1—
- 113

National City, CA · est. 2018
Pesticide and Other Agricultural Chemical Manufacturing
Minority-owned—
- 114

Hanford, CA · est. 1992
Nitrogenous Fertilizer Manufacturing
—
- 115

Huntington Beach, CA · est. 1988
Pharmaceutical Preparation Manufacturing
Small disadvantaged—
- 116

Stockton, CA · est. 2022
Industrial Chemicals & Gases
—
- 117

Irvine, CA · est. 1990
Pharmaceutical Preparation Manufacturing
$8.1M
- 118

San Diego, CA · est. 2017
Industrial Chemicals & Gases
Small disadvantaged—
- 119
Los Angeles, CA · est. 1996
Industrial Chemicals & Gases · Fabricated Metal
Community Development Corporation Owned—
- 120

Venice, CA · est. 2008
Industrial Chemicals & Gases · Engineering & Testing
Small disadvantaged+2—
- 121

Concord, CA · est. 1991
Electronics & Instruments · Medical Devices
$126.5M
- 122
Arcadia, CA · est. 2023
Soap and Other Detergent Manufacturing
Woman-owned+1—
- 123
)
San Francisco, CA · est. 2018
Industrial Chemicals & Gases · Engineering & Testing
—
- 124

Walnut, CA · est. 1995
Toilet Preparation Manufacturing
Minority-owned—
- 125

Oceanside, CA · est. 2022
Industrial Chemicals & Gases · Industrial Distribution
—
- 126

Santa Maria, CA · est. 2002
Industrial Chemicals & Gases · Plastics & Rubber
Small disadvantaged—
- 127
Los Angeles, CA · est. 2017
Industrial Chemicals & Gases
—
- 128
Westlake Village, CA · est. 2013
Biological Product (except Diagnostic) Manufacturing
—
- 129
San Diego, CA · est. 2021
Biological Product (except Diagnostic) Manufacturing
$716K
- 130
San Rafael, CA · est. 1997
Pharmaceutical Preparation Manufacturing
$91K
- 131
Los Angeles, CA · est. 2023
Industrial Chemicals & Gases
—
- 132
Westlake Village, CA · est. 2023
Engineering & Testing
Small disadvantaged+2—
- 133

San Francisco, CA · est. 2013
Biological Product (except Diagnostic) Manufacturing
—
- 134
Garden Grove, CA · est. 2026
Biological Product (except Diagnostic) Manufacturing
Veteran-owned—
- 135
Los Gatos, CA · est. 2020
Industrial Chemicals & Gases · Seals, Gaskets & Sealing
Small disadvantaged—
- 136
Vallejo, CA · est. 2018
Seals, Gaskets & Sealing
Small disadvantaged+2—
- 137
San Diego, CA · est. 2022
Medicinal and Botanical Manufacturing
—
- 138
La Puente, CA · est. 2009
Photographic Film, Paper, Plate, Chemical, and Copy Toner Manufacturing
Small disadvantaged—
- 139
San Mateo, CA · est. 2022
Nitrogenous Fertilizer Manufacturing
Small disadvantaged—
- 140
San Diego, CA · est. 2021
Industrial Chemicals & Gases
Minority-owned—
- 141
Burney, CA · est. 1995
Soap and Other Detergent Manufacturing
—
- 142
Templeton, CA · est. 2022
Soap and Other Detergent Manufacturing
Small disadvantaged+1—
- 143

Rocklin, CA · est. 1994
In-Vitro Diagnostic Substance Manufacturing
$226K
- 144
Newark, CA · est. 2024
Biological Product (except Diagnostic) Manufacturing
—
- 145

San Diego, CA · est. 2014
Engineering & Testing
Small disadvantaged+2—
- 146
Orange, CA · est. 1987
Industrial Chemicals & Gases
Small disadvantaged$2K
- 147

Santa Fe Springs, CA · est. 1993
Industrial Chemicals & Gases · Machinery & Tooling
Small disadvantaged+1—
- 148
San Jose, CA · est. 2009
Soap and Other Detergent Manufacturing
—
- 149
Livermore, CA · est. 2024
Engineering & Testing
Small disadvantaged+1—
- 150
Rancho Dominguez, CA · est. 1957
Industrial Chemicals & Gases
Small disadvantaged+1—
101–150 of 606
Chemical Processing in other states
49 states- Texas383
- Florida267
- New Jersey259
- Pennsylvania216
- Massachusetts205
- New York191
- Illinois189
- Ohio172
- North Carolina171
- Michigan151
- Georgia147
- Maryland141
- Virginia109
- Washington86
- Colorado86
- Connecticut82
- Tennessee81
Other industries in California
42 verticals- Metal Fabrication1,854
- Instrumentation, Test & Measurement856
- Electronics727
- Aerospace644
- Medical Devices591
- Electrical Equipment & Components477
- Consumer Products426
- Semiconductor328
- Signage, Printing & Marking312
- Wire, Cable & Interconnect307
- Food & Beverage Processing302
- Textiles & Apparel298
- Optics & Photonics293
- Telecommunications292
- Renewable Energy (Solar & Wind)276
- Pharmaceutical272
- Industrial Machinery264
- Plastics & Rubber Products227
- Fasteners & Hardware205
- Pulp, Paper & Packaging192
- Robotics & Automation177
- Defense162
- Furniture144
- Marine & Shipbuilding135
- Building Products & Materials134
- Space & Satellite132
- HVAC & Refrigeration79
- Automotive74
- EV & Battery66
- Wood Products & Millwork62
- Lighting58
- Sporting Goods53
- Tanks, Vessels & Heat Exchangers49
- Firearms & Ammunition43
- Primary Metals & Foundry43
- Fluid Power & Hydraulics38
- Heavy Truck, Trailer & Vehicle Bodies35
- Water & Wastewater22
- Agricultural Equipment19
- Construction Equipment15
- Energy & Power Generation15
- Oil & Gas11
What buyers specify in chemical processing
3 requirements- 01Code pressure vessels and process piping
- 02Corrosion-resistant alloy and exotic-metal fabrication
- 03Certified welding with material traceability
Everything made in California, not just chemical processing.
California state hub