Chemical Processing · DE
Chemical Processing manufacturers in Delaware
35 domestic chemical processing suppliers in Delaware. Fabrication and machining for corrosive, high-pressure, and high-temperature service, where weld integrity and code compliance keep hazardous processes contained.
#33
of 50 by manufacturers listed
- 35
- In this state
- 0.7%
- Share of industry
- 9
- Set-aside registered
- 8
- Federal track record
of 35 on this page
of 35 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 Delaware
all 35- 1

Wilmington, DE · est. 2005
Industrial Chemicals & Gases · Electronics & Instruments
—
- 2

Industrial Chemicals & Gases
—
- 3

Seaford, DE · est. 2012
Industrial Chemicals & Gases
—
- 4
Wilmington, DE · est. 2023
In-Vitro Diagnostic Substance Manufacturing
Small disadvantaged—
- 5

New Castle, DE · est. 2001
Pesticide and Other Agricultural Chemical Manufacturing
—
- 6
Wilmington, DE · est. 2014
Industrial Chemicals & Gases
—
- 7

Wilmington, DE · est. 1998
Engineering & Testing
$632.0M
- 8

New Castle, DE · est. 1954
Industrial Chemicals & Gases
—
- 9

Wilmington, DE · est. 2015
Industrial Chemicals & Gases
—
- 10
Wilmington, DE · est. 2019
Industrial Chemicals & Gases
—
- 11

Wilmington, DE · est. 1995
Industrial Chemicals & Gases · Industrial Distribution
—
- 12
Industrial Chemicals & Gases
$1.4M
- 13
Wilmington, DE · est. 1991
Pharmaceutical Preparation Manufacturing
$160K
- 14

New Castle, DE · est. 1992
Medical Devices
Small disadvantaged+1$140K
- 15
Camden, DE · est. 2023
Industrial Chemicals & Gases · Technical Textiles
Small disadvantaged+2—
- 16

Wilmington, DE · est. 2019
Pharmaceutical Preparation Manufacturing
—
- 17
Wilmington, DE · est. 1981
Soap and Other Detergent Manufacturing
$470K
- 18

Wilmington, DE · est. 2012
Compost Manufacturing
$286K
- 19
Newark, DE · est. 2025
Medicinal and Botanical Manufacturing
Veteran-owned—
- 20
Newark, DE · est. 2020
In-Vitro Diagnostic Substance Manufacturing
Small disadvantaged+1$65K
- 21
Wilmington, DE · est. 2015
Industrial Chemicals & Gases
—
- 22
Wilmington, DE · est. 1997
Industrial Chemicals & Gases
—
- 23
Dover, DE · est. 2021
Pharmaceutical Preparation Manufacturing
—
- 24
Industrial Chemicals & Gases
—
- 25
Newark, DE · est. 2024
Industrial Chemicals & Gases
—
- 26
Newark, DE · est. 2015
Industrial Chemicals & Gases · Fabricated Metal
Small disadvantaged+1—
- 27
Newark, DE · est. 2009
Industrial Chemicals & Gases · Engineering & Testing
Veteran-owned+1—
- 28
Newark, DE · est. 2019
Industrial Chemicals & Gases
—
- 29
Middletown, DE · est. 2023
Industrial Distribution · Engineering & Testing
Small disadvantaged+2—
- 30
Dover, DE · est. 2023
Industrial Chemicals & Gases
—
- 31
Bear, DE · est. 2004
Pesticide and Other Agricultural Chemical Manufacturing
—
- 32
New Castle, DE · est. 2024
Industrial Chemicals & Gases · Transportation & Aerospace
—
- 33

Newark, DE · est. 2013
In-Vitro Diagnostic Substance Manufacturing
—
- 34
Wilmington, DE · est. 2015
Industrial Chemicals & Gases · Plastics & Rubber
$8.6M
- 35
Newark, DE · est. 1997
Industrial Chemicals & Gases
Small disadvantaged—
1–35 of 35
Chemical Processing in other states
49 states- California606
- Texas383
- Florida267
- New Jersey259
- Pennsylvania216
- Massachusetts205
- New York191
- Illinois189
- Ohio172
- North Carolina171
- Michigan151
- Georgia147
- Maryland141
- Virginia109
- Washington86
- Colorado86
- Connecticut82
Other industries in Delaware
35 verticals- Metal Fabrication29
- Electronics14
- Instrumentation, Test & Measurement14
- Medical Devices14
- Consumer Products12
- Plastics & Rubber Products12
- Food & Beverage Processing11
- Pulp, Paper & Packaging11
- Aerospace9
- Electrical Equipment & Components9
- Industrial Machinery9
- Pharmaceutical9
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 Delaware, not just chemical processing.
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