Chemical Processing · IL · page 2
Chemical Processing manufacturers in Illinois
189 domestic chemical processing suppliers in Illinois. Fabrication and machining for corrosive, high-pressure, and high-temperature service, where weld integrity and code compliance keep hazardous processes contained.
#8
of 50 by manufacturers listed
- 189
- In this state
- 4.0%
- Share of industry
- 25
- 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 in Illinois
page 2 of 4- 51

Palatine, IL · est. 2016
Polish and Other Sanitation Good Manufacturing
Small disadvantaged—
- 52

Dolton, IL · est. 2011
Industrial Chemicals & Gases
Small disadvantaged+4—
- 53
Lisle, IL · est. 1990
Industrial Chemicals & Gases · Ceramics, Glass & Abrasives
$312K
- 54

Joliet, IL · est. 1978
Industrial Chemicals & Gases
$51K
- 55

Lockport, IL · est. 1970
Industrial Chemicals & Gases · Plastics & Rubber
Woman-owned—
- 56

North Aurora, IL · est. 2003
Industrial Chemicals & Gases · Industrial Distribution
Small disadvantaged+1—
- 57

Soap and Other Detergent Manufacturing
Small disadvantaged—
- 58

Melrose Park, IL · est. 1996
Industrial Chemicals & Gases · Machinery & Tooling
—
- 59

Deer Park, IL · est. 2017
Pharmaceutical Preparation Manufacturing
Small disadvantaged—
- 60
Elgin, IL · est. 2002
Industrial Chemicals & Gases · Plastics & Rubber
Small disadvantaged+3—
- 61

Romeoville, IL · est. 1995
Industrial Chemicals & Gases · Seals, Gaskets & Sealing
Small disadvantaged+3—
- 62

Glen Ellyn, IL · est. 1984
Industrial Chemicals & Gases · Electronics & Instruments
—
- 63
Chicago, IL · est. 2023
Soap and Other Detergent Manufacturing
Small disadvantaged+2—
- 64

South Holland, IL · est. 1981
Industrial Chemicals & Gases
Small disadvantaged—
- 65

Batavia, IL · est. 2019
Industrial Chemicals & Gases · Plastics & Rubber
Small disadvantaged+1—
- 66

Crete, IL · est. 2025
Pharmaceutical Preparation Manufacturing
Small disadvantaged+1—
- 67
South Holland, IL · est. 1982
Soap and Other Detergent Manufacturing
$60K
- 68
Tower Hill, IL · est. 2025
Medicinal and Botanical Manufacturing
Small disadvantaged+1—
- 69

Palatine, IL · est. 1968
Industrial Chemicals & Gases · Industrial Distribution
$291K
- 70
Deerfield, IL · est. 2005
Pharmaceutical Preparation Manufacturing
$4.4M
- 71
Lake Forest, IL · est. 2004
Medical Devices
—
- 72

Chicago, IL · est. 2003
Pharmaceutical Preparation Manufacturing
$12.3M
- 73

Saint Charles, IL · est. 1993
Industrial Chemicals & Gases · Transportation & Aerospace
$730K
- 74

Evanston, IL · est. 1914
Industrial Chemicals & Gases
—
- 75

Evanston, IL · est. 2025
Industrial Chemicals & Gases
Small disadvantaged—
- 76
Toulon, IL · est. 2023
Toilet Preparation Manufacturing
—
- 77

Mchenry, IL · est. 1956
Industrial Chemicals & Gases · Transportation & Aerospace
—
- 78

Dekalb, IL · est. 2022
Industrial Chemicals & Gases
Small disadvantaged+1—
- 79

Chicago, IL · est. 1923
Industrial Chemicals & Gases
—
- 80

Elburn, IL · est. 1983
Electronics & Instruments
—
- 81
Champaign, IL · est. 2025
Toilet Preparation Manufacturing
Small disadvantaged+2—
- 82
Mundelein, IL · est. 2001
Industrial Chemicals & Gases
Small disadvantaged+1$38K
- 83

Deerfield, IL · est. 2018
Industrial Chemicals & Gases
—
- 84

Rosemont, IL · est. 2017
Pharmaceutical Preparation Manufacturing
—
- 85
Madison, IL · est. 2004
Soap and Other Detergent Manufacturing
Small disadvantaged—
- 86
Chicago, IL · est. 2013
Machinery & Tooling · Seals, Gaskets & Sealing
Small disadvantaged+2—
- 87
Aurora, IL · est. 1956
Industrial Chemicals & Gases
$895
- 88
Maywood, IL · est. 2025
Soap and Other Detergent Manufacturing
Small disadvantaged+1—
- 89
Algonquin, IL · est. 2013
Toilet Preparation Manufacturing
Small disadvantaged+2—
- 90
Bellwood, IL · est. 1890
Industrial Chemicals & Gases
—
- 91
Arlington Heights, IL · est. 2023
Pharmaceutical Preparation Manufacturing
$3.6M
- 92
Arlington Heights, IL · est. 1969
Pharmaceutical Preparation Manufacturing
$17.4M
- 93
Chicago, IL · est. 2025
Polish and Other Sanitation Good Manufacturing
Small disadvantaged+2—
- 94
Northbrook, IL · est. 1915
Industrial Chemicals & Gases
—
- 95
Chicago, IL · est. 2026
Plastics & Rubber
Minority-owned—
- 96

Jacksonville, IL · est. 1913
Industrial Chemicals & Gases · Industrial Distribution
Woman-owned—
- 97
Chicago, IL · est. 2015
Pharmaceutical Preparation Manufacturing
Small disadvantaged—
- 98

Genoa, IL · est. 2014
Industrial Chemicals & Gases
$95K
- 99
Alsip, IL · est. 1963
Industrial Chemicals & Gases · Plastics & Rubber
$2.5M
- 100
Winfield, IL · est. 2019
Fabricated Metal · Machinery & Tooling
—
51–100 of 189
Chemical Processing in other states
49 states- California606
- Texas383
- Florida267
- New Jersey259
- Pennsylvania216
- Massachusetts205
- New York191
- Ohio172
- North Carolina171
- Michigan151
- Georgia147
- Maryland141
- Virginia109
- Washington86
- Colorado86
- Connecticut82
- Tennessee81
Other industries in Illinois
42 verticals- Metal Fabrication497
- Medical Devices161
- Instrumentation, Test & Measurement147
- Food & Beverage Processing141
- Industrial Machinery131
- Signage, Printing & Marking127
- Consumer Products118
- Electrical Equipment & Components115
- Electronics95
- Plastics & Rubber Products77
- Fasteners & Hardware74
- Pulp, Paper & Packaging72
- Furniture70
- Wire, Cable & Interconnect70
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 Illinois, not just chemical processing.
Illinois state hub