Chemical Processing · CA · page 13
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
- 4
- Set-aside registered
- 1
- Federal track record
of 6 on this page
of 6 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 13 of 13- 601

Davis, CA · est. 2025
Pesticide and Other Agricultural Chemical Manufacturing
Woman-owned—
- 602

Brisbane, CA · est. 2006
Biological Product (except Diagnostic) Manufacturing
Small disadvantaged+1$11K
- 603
Fresno, CA · est. 2017
Industrial Chemicals & Gases
—
- 604

San Mateo, CA · est. 2007
Toilet Preparation Manufacturing
—
- 605
Carlsbad, CA · est. 2024
Pharmaceutical Preparation Manufacturing
Veteran-owned—
- 606
La Mesa, CA · est. 2011
Polish and Other Sanitation Good Manufacturing
Small disadvantaged+1—
601–606 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.
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