Best Trade Schools in Green Bay, Wisconsin (2025 Guide)

Updated October 9, 2025 | Brad Fishbein

Table of Contents
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Here are the best schools in Green Bay. This guide lists accredited programs, apprenticeships, and Wisconsin licensing basics1.

Top Trade Schools in Green Bay

Verify current offerings and accreditation23.

School Program Length Highlights
Northeast Wisconsin Technical College (NWTC) Certificates 6–12 months; AAS ~2 years HLC accredited. HVAC/R, Welding, Electrical, and Industrial Maintenance; strong labs and employer ties2.
IBEW Local 158 – Electrical JATC (Green Bay) 3–5 years Registered electrical apprenticeship; paid OJT + classroom instruction.
UA Plumbers & Pipefitters Local 400 – Training (Kaukauna) ~5 years Registered apprenticeship in plumbing/pipefitting/HVACR; paid training and certifications.

Licensing in Wisconsin

  • Electrical/Plumbing: State credentials exist for various levels (e.g., Master Plumber). Verify state DSPS requirements and local registrations.
  • HVAC: EPA 608 required for refrigerants4; contractor/business registrations vary.
  • Welding: No state license; employers/jurisdictions require performance tests.

Next Steps

  • Compare WI programs: /trade-school/wisconsin/
  • Explore trades and credentials: /trades/
  • National resources: /trade-school/

Tour labs, confirm accreditation, and map training to Wisconsin licensing and apprenticeships.

  1. Bureau of Labor Statistics, Green Bay Metro. bls.gov/oes ↩

  2. U.S. Department of Education, College Navigator. nces.ed.gov/collegenavigator ↩ ↩

  3. Accrediting Commission of Career Schools and Colleges (ACCSC), Directory. accsc.org ↩

  4. U.S. EPA, Section 608 Technician Certification. epa.gov/section608 ↩

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Brad Fishbein Licensed Mold Assessor

Meet the author: Brad Fishbein is a Florida Licensed Mold Assessor and council-certified Microbial Investigator. He’s the founder of TradeCareerPath.com and has completed over 5,000 mold inspections since 2009. Brad now helps homeowners and tradespeople make smart decisions about mold, licensing, and skilled career paths.