Listed Contract Manufacturing Companies in Wisconsin

Results are ordered alphabetically. Inclusion is based on the matching process or industry recorded on each published profile.

C&C Machine Inc

📍 La Crosse, WI Est. 1971
Specialties: CNC MachiningCNC MillingCNC TurningLarge-Part Machining

C&C Machine Inc. is a U.S.-based manufacturer established in 1971, providing precision CNC machining, welding, metal fabrication, and contract manufac...

ChemDesign Products Inc

📍 Marinette, WI Est. 1983
Specialties: Fine ChemicalsAgricultural ChemicalsCustom Chemical ManufacturingToll Manufacturing

ChemDesign Products Inc is a premier custom chemical toll manufacturing company based in Marinette, Wisconsin, serving the specialty chemicals industr...

Hestia Laboratories Inc

📍 New Berlin, WI Est. 1997
Specialties: Custom Chemical SynthesisResearch ChemicalsLaboratory ChemicalsOrganic Synthesis

Hestia Laboratories Inc is a specialized chemical manufacturing company based in New Berlin, Wisconsin, serving pharmaceutical, biotechnology, medical...

Manitowoc Tool & Machining LLC

📍 Manitowoc, WI
Specialties: Precision Machined ComponentsCNC MachiningContract ManufacturingLarge Component Manufacturing

Manitowoc Tool & Machining LLC stands as a premier precision manufacturing company based in Manitowoc, Wisconsin, delivering world-class CNC machining...

Mill Haven Foods LLC

📍 New Lisbon, WI Est. 2010
Specialties: Dry Dairy IngredientsCustom BlendingContract ManufacturingFood Packaging

Mill Haven Foods LLC is a specialized dairy ingredient manufacturer based in New Lisbon, Wisconsin, serving the global food and beverage industry with...

Mitchell Leather Factory

📍 Milwaukee, WI Est. 1968
Specialties: Custom Leather GoodsBriefcasesBeltsWallets

Mitchell Leather Factory is a distinguished family-owned leather goods manufacturer established in 1968 and located in Thiensville, Wisconsin, just ou...

Plastocon Incorporated

📍 Oconomowoc, WI Est. 1958
Specialties: Custom Injection MoldingFood Service PartsPackaging ComponentsAutomotive Parts

Plastocon Incorporated is a leading plastic injection molding company based in Oconomowoc, Wisconsin, delivering world-class molding solutions since i...

Thermal Plastic Design

📍 St. Croix Falls, WI Est. 1994
Specialties: Injection MoldingContract ManufacturingHigh-Quality Plastic Gears

Thermal Plastic Design (TDI), established in 1994, is a family-owned and woman-owned precision injection molding manufacturer located in St. Croix Fal...

Winkley Orthotics & Prosthetics

📍 Eau Claire, WI Est. 1888
Specialties: Custom ProstheticsOrthoticsBracing SystemsMedical Devices

Winkley Orthotics & Prosthetics stands as America's oldest privately owned orthotic and prosthetic company, proudly serving Minnesota and Wisconsin si...

Contract Manufacturing supplier landscape in Wisconsin

UNITEMFG currently matches 11 published supplier profiles to Contract Manufacturing in Wisconsin, spanning 10 listed cities. The largest concentrations in the directory are Milwaukee (2 suppliers), Chippewa Falls (1 supplier), and Eau Claire (1 supplier). This is a directory-derived view of available suppliers, not an estimate of the entire state market.

The capabilities most often named on matching profiles are Contract Manufacturing (4 profiles), CNC Machining (2 profiles), and Agricultural Chemicals (1 profile). The supplier set spans Chemicals (2 profiles), Healthcare (2 profiles), and Machinery (2 profiles) among its most represented industries. Frequently listed material experience includes Alloy Steel (1 profile), Aluminum (1 profile), and Brass (1 profile). Published certification fields most often mention ISO 9001:2015 (1 profile).

Because the matching profiles span 10 cities, buyers can compare several local supplier markets rather than treating one metro as representative of the state. Use the listed capabilities as a first-pass filter, then require each shortlisted supplier to confirm that the relevant process is performed in-house, on suitable equipment, at the required scale.

Supplier locations

  • Milwaukee2
  • Chippewa Falls1
  • Eau Claire1
  • La Crosse1
  • Manitowoc1
  • Marinette1
  • New Berlin1
  • New Lisbon1

Commonly listed capabilities

  • Contract Manufacturing4
  • CNC Machining2
  • Agricultural Chemicals1
  • Aluminum Fabrication1
  • Assembly Services1
  • Automotive Parts1
  • Belts1
  • Bracing Systems1

Industries represented

  • Chemicals2
  • Healthcare2
  • Machinery2
  • Plastics2
  • Construction1
  • Food & Beverage1
  • Other1

Materials and credentials listed

  • Alloy Steel1
  • Aluminum1
  • Brass1
  • Bronze1
  • Carbon Steel1
  • Cast Iron1
  • Copper1
  • Plastics1

This Wisconsin market view is calculated from published UNITEMFG profiles whose process labels map to the Contract Manufacturing cluster. Counts describe directory coverage, not independently audited capacity, quality, or availability.

How to source Contract Manufacturing in Wisconsin

Use contract manufacturers when the scope combines procurement, production, assembly, testing, documentation, and delivery under one accountable supplier.

Include in the RFQ

  • complete bill of materials and product data
  • make-versus-buy and approved-source rules
  • forecast, order quantities, and delivery cadence
  • quality plan, testing, and traceability
  • change control, inventory, packaging, and service expectations

Questions that separate suppliers

  • Which operations and supply-chain responsibilities are in scope?
  • How are engineering changes and material substitutions approved?
  • What operating metrics and records will the buyer receive?

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