Industry hub · page 33
Chemical Processing manufacturers
4,726 domestic chemical processing suppliers across 50 states. Fabrication and machining for corrosive, high-pressure, and high-temperature service, where weld integrity and code compliance keep hazardous processes contained.
The chemical processing manufacturers USA plants rely on build pressure vessels, piping, and reactor hardware that has to contain aggressive media without fail. This directory concentrates US chemical processing suppliers that fabricate, weld, and machine to pressure-boundary codes, strengthening the domestic chemical processing supply chain. Look for ASME Section VIII (U stamp) vessels and ASME B31.3 process piping backed by qualified welders and material traceability.
- 4,726
- Suppliers
- 50
- States covered
- 18
- Set-aside registered
- 12
- 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
page 33 of 95Shops with a verified website are listed first, then alphabetically.
- 1601
Peacham, VT · est. 2003
Toilet Preparation Manufacturing
Woman-owned—
- 1602

San Diego, CA · est. 2018
Pharmaceutical Preparation Manufacturing
—
- 1603

Piscataway, NJ · est. 1973
Industrial Chemicals & Gases · Plastics & Rubber
$120K
- 1604

Galena, KS · est. 1999
Industrial Chemicals & Gases
—
- 1605
Piscataway, NJ · est. 1973
Industrial Chemicals & Gases
$11K
- 1606

Lenoir, NC · est. 2008
Pharmaceutical Preparation Manufacturing
Small disadvantaged+1—
- 1607

Alameda, CA · est. 1994
Pharmaceutical Preparation Manufacturing
—
- 1608

Florham Park, NJ · est. 1971
Pharmaceutical Preparation Manufacturing
—
- 1609

Morgantown, WV · est. 2014
Pharmaceutical Preparation Manufacturing
Small disadvantaged—
- 1610

Plainville, CT · est. 2020
Industrial Chemicals & Gases · Engineering & Testing
Small disadvantaged—
- 1611

Cranbury, NJ · est. 2015
Pharmaceutical Preparation Manufacturing
Small disadvantaged—
- 1612
Boston, MA · est. 2004
Biological Product (except Diagnostic) Manufacturing
Small disadvantaged+1—
- 1613

Sacramento, CA · est. 2023
Industrial Chemicals & Gases · Fabricated Metal
—
- 1614

Saint Louis, MO · est. 2007
Engineering & Testing
Small disadvantaged+1—
- 1615

Diamond Bar, CA · est. 2022
Industrial Chemicals & Gases · Technical Textiles
Woman-owned+1—
- 1616
Madison, WI · est. 1993
Industrial Chemicals & Gases
$10K
- 1617

Lawton, OK · est. 2008
Soap and Other Detergent Manufacturing
—
- 1618

Midlothian, TX · est. 2025
Industrial Chemicals & Gases
—
- 1619

Irvine, CA · est. 2021
Industrial Chemicals & Gases
Small disadvantaged—
- 1620

Industrial Packaging · Industrial Chemicals & Gases
Small disadvantaged$15K
- 1621

Van Buren, AR · est. 1944
Pesticide and Other Agricultural Chemical Manufacturing
$15K
- 1622

Tukwila, WA · est. 1925
Industrial Chemicals & Gases
Small disadvantaged+1$32K
- 1623

Halethorpe, MD · est. 2019
Biological Product (except Diagnostic) Manufacturing
Woman-owned+1—
- 1624

Durham, NC · est. 2003
Pharmaceutical Preparation Manufacturing
$11K
- 1625

Marana, AZ · est. 2025
Industrial Chemicals & Gases
Woman-owned—
- 1626
New York, NY · est. 2011
Pharmaceutical Preparation Manufacturing
—
- 1627

Blacksburg, VA · est. 2022
Industrial Chemicals & Gases
Small disadvantaged+1—
- 1628

Columbus, GA · est. 2012
Industrial Chemicals & Gases
—
- 1629

Ferndale, MI · est. 1897
Pharmaceutical Preparation Manufacturing
—
- 1630

Parsippany, NJ · est. 1980
Pharmaceutical Preparation Manufacturing
$504K
- 1631
Auburn Hills, MI · est. 2021
Pharmaceutical Preparation Manufacturing
—
- 1632
Carson City, NV · est. 2021
Industrial Chemicals & Gases
$203K
- 1633
Algonquin, IL · est. 2013
Toilet Preparation Manufacturing
Small disadvantaged+2—
- 1634
Lees Summit, MO · est. 2009
Engineering & Testing
—
- 1635
Conway, SC · est. 2024
Industrial Chemicals & Gases
Veteran-owned—
- 1636
Boca Raton, FL · est. 2010
Pharmaceutical Preparation Manufacturing
$183.2M
- 1637
Los Angeles, CA · est. 2021
Engineering & Testing
—
- 1638
Irwindale, CA · est. 2011
In-Vitro Diagnostic Substance Manufacturing
—
- 1639
Highlands Ranch, CO · est. 2023
Industrial Chemicals & Gases
—
- 1640
Newton, MA · est. 2010
Pharmaceutical Preparation Manufacturing
Woman-owned—
- 1641
Fleming Island, FL · est. 2025
Industrial Chemicals & Gases
—
- 1642
Dallas, TX · est. 2025
Industrial Chemicals & Gases
—
- 1643
Wichita, KS · est. 2014
Pharmaceutical Preparation Manufacturing
$805K
- 1644
Bloomington, IN · est. 2014
Industrial Chemicals & Gases
—
- 1645
Newton, GA · est. 2005
Fertilizer (Mixing Only) Manufacturing
—
- 1646
Emerald Hills, CA · est. 2021
Pharmaceutical Preparation Manufacturing
—
- 1647
Baltimore, MD · est. 2025
Industrial Chemicals & Gases · Medical Devices
—
- 1648
Leavenworth, KS · est. 1934
Industrial Chemicals & Gases · Field & Structural Services
$292K
- 1649
Quogue, NY · est. 2017
Pesticide and Other Agricultural Chemical Manufacturing
Woman-owned—
- 1650
Grinnell, IA · est. 2004
Industrial Chemicals & Gases
—
1,601–1,650 of 4,726
Chemical Processing capacity by state
50 states- California606
- Texas383
- Florida267
- New Jersey259
- Pennsylvania216
- Massachusetts205
- New York191
- Illinois189
- Ohio172
- North Carolina171
- Michigan151
- Georgia147
- Maryland141
- Virginia109
- Washington86
- Colorado86
- Connecticut82
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
Shortlisted a few chemical processing shops? Send them the same requirements.
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