Industry hub · page 11
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
- 22
- Set-aside registered
- 13
- 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 11 of 95Shops with a verified website are listed first, then alphabetically.
- 501

Dallas, TX · est. 2021
Industrial Chemicals & Gases · Engineering & Testing
Small disadvantaged—
- 502

Northborough, MA · est. 2001
Industrial Chemicals & Gases · Engineering & Testing
—
- 503
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Marlborough, MA · est. 2015
Industrial Chemicals & Gases
—
- 504

East Falmouth, MA · est. 1974
Biological Product (except Diagnostic) Manufacturing
Small disadvantaged$63K
- 505

Bristol, PA · est. 1996
Industrial Chemicals & Gases
Small disadvantaged+1—
- 506
Halethorpe, MD · est. 2021
In-Vitro Diagnostic Substance Manufacturing
Minority-owned—
- 507
Northbrook, IL · est. 2005
Pharmaceutical Preparation Manufacturing
—
- 508
Spring, TX · est. 2017
Industrial Chemicals & Gases · Medical Devices
Small disadvantaged+1—
- 509

Holtsville, NY · est. 2019
Electronics & Instruments · Medical Devices
$54K
- 510

Wilmington, DE · est. 1998
Engineering & Testing
$632.0M
- 511

Ballston Lake, NY · est. 1964
Industrial Chemicals & Gases
—
- 512

North Las Vegas, NV · est. 2021
Toilet Preparation Manufacturing
Small disadvantaged+3—
- 513

Alpharetta, GA · est. 2024
Pesticide and Other Agricultural Chemical Manufacturing
—
- 514
Industrial Chemicals & Gases · Ceramics, Glass & Abrasives
$27K
- 515
Waldoboro, ME · est. 1975
Industrial Chemicals & Gases
—
- 516

Las Vegas, NV · est. 2022
Engineering & Testing
Small disadvantaged—
- 517

Industrial Chemicals & Gases · Plastics & Rubber
Woman-owned—
- 518

East Providence, RI · est. 2003
Industrial Chemicals & Gases · Plastics & Rubber
Small disadvantaged+1—
- 519

Kendallville, IN · est. 2021
Industrial Chemicals & Gases · Machinery & Tooling
Small disadvantaged$3K
- 520

Orangeburg, SC · est. 2026
Industrial Chemicals & Gases
—
- 521

Orlando, FL · est. 1993
Medicinal and Botanical Manufacturing
Small disadvantaged—
- 522

Piscataway, NJ · est. 2012
Pharmaceutical Preparation Manufacturing
—
- 523

Lake Forest, CA · est. 2021
Pharmaceutical Preparation Manufacturing
Small disadvantaged+1—
- 524

San Jose, CA · est. 2022
Industrial Chemicals & Gases
—
- 525

Madison Heights, MI · est. 2022
Fabricated Metal · Machinery & Tooling
Small disadvantaged+1$38K
- 526

Buffalo Grove, IL · est. 1976
Engineering & Testing
Small disadvantaged—
- 527

Cleveland, OH · est. 1867
Industrial Chemicals & Gases
$261K
- 528

Gaithersburg, MD · est. 2017
Pharmaceutical Preparation Manufacturing
$401K
- 529

Ogden, UT · est. 1997
Industrial Chemicals & Gases · Ceramics, Glass & Abrasives
$50.9M
- 530
Cincinnati, OH · est. 1971
Industrial Chemicals & Gases · Fabricated Metal
Woman-owned—
- 531
Waterford, MI · est. 2021
Fabricated Metal · Electrical Equipment
Woman-owned+1—
- 532
Industrial Chemicals & Gases · Fabricated Metal
Small disadvantaged+2$471.6M
- 533
Pharmaceutical Preparation Manufacturing
—
- 534
Lake Forest, IL · est. 1995
Pharmaceutical Preparation Manufacturing
—
- 535

Hillsborough, NJ · est. 2023
Medicinal and Botanical Manufacturing
$32K
- 536
Bartow, FL · est. 2022
Pharmaceutical Preparation Manufacturing
—
- 537

Dumfries, VA · est. 2026
Medicinal and Botanical Manufacturing
Veteran-owned—
- 538
Ottawa Hills, OH · est. 2025
Pharmaceutical Preparation Manufacturing
—
- 539
Austin, TX · est. 2006
In-Vitro Diagnostic Substance Manufacturing
$628K
- 540
Watkinsville, GA · est. 2017
Pharmaceutical Preparation Manufacturing
—
- 541
Ankeny, IA · est. 2025
Industrial Chemicals & Gases
Small disadvantaged—
- 542
Marietta, GA · est. 2023
Soap and Other Detergent Manufacturing
Small disadvantaged+2—
- 543
Bridgewater, NJ · est. 2023
Pharmaceutical Preparation Manufacturing
—
- 544
Industrial Chemicals & Gases · Field & Structural Services
Woman-owned+1—
- 545
Rock Hill, SC · est. 2017
Industrial Chemicals & Gases
—
- 546
Rockville, MD · est. 2013
Pharmaceutical Preparation Manufacturing
—
- 547
East Windsor, NJ · est. 2004
Pharmaceutical Preparation Manufacturing
—
- 548
Temple, TX · est. 2021
Pharmaceutical Preparation Manufacturing
$392K
- 549
New Orleans, LA · est. 2005
Machinery & Tooling
—
- 550
San Leandro, CA · est. 2019
Industrial Chemicals & Gases
Small disadvantaged+1—
501–550 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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