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 We specialize in:

  • Wire Harness Manufacturing

  • Wire Harness Molding

  • Wire Harness Prototypes

  • Engineering Expertise

  • In-house Fabrication

  • 3-D Printing

  • General Assembly


Our systems are built to meet customer expectations in PPAP, APQP, Delivery and Price. We have a strong Engineering team to assist our customers up front in design and offer potential ideas to help reduce costs. We have a robust continuous improvement culture, and our facility reflects those values. We also offer in-house fabrication along with 3D printing capabilities. Whether your project is high or low volume, we welcome the opportunity to work with you now and into the future.

Our journey began in Caledonia Michigan in 1967.  We moved to Middleville Michigan in 2011.  We have been blessed over the years to work with some amazing partners within the following industries:

/Commercial Products
RV and Recreational

Utility Trailers/Vehicles
and more...

We continue to grow our business by simply doing all we can to take care of our customers and employees.


How it works

Our Mission:

To provide a product and service that goes beyond our customer’s expectation

Each RFQ

•Team Feasibility Review

•Cost-Savings Analysis

Each New Program:

Dedicated Program Manager

•Manufacturing Review

•Cost-Savings Analysis

•Full APQP



H&L Continually Strives To Have a Great Reputation For:

•On-time Delivery

•Excellent Quality

•Cost Savings Implementation

•Process Innovation


•Adopting Lean Manufacturing Concepts

Customer Awards

•Webasto – 2014 Quality Excellence Award & Cost Competitiveness Award

•Webasto – 2015 Best In Class Award

•Alpine Electronics – 2019 Supplier of the Year


Quality Statement

We strive for zero defects, both in production and shipping.

QMS is certified to ISO 9001:2015 by Intertek

•UL Approved Wire Harness Manufacturer

•Crimp Force Monitoring

•EOL Continuity/Short Testing w/ Integrated Vision Systems

•Wire/Terminal Cross-Section Analysis


Key Performance Indicators

Corporate KPI

•External PPM

•On-time Delivery

•Supplier Ratings


•Safety Audits (Quarterly)

•On-Time APQP

Internal KPI

•Internal PPM

•L.P.A. Status

•Cost of Quality

•Preventative Maintenance

•On-Time Quotes

•Premium Freight


Some of the products our harnesses go into:

Our Shared Values:

• Respect

   We have as much consideration for the personal and professional worth and dignity of others as we do for ourselves.

• Initiative

   We are willing and empowered to proactively contribute to the success of the company, its customers, and other employees.

• Accountability

   We are responsible for our own actions and answerable to others.

• Excellence

   We give our personal best.

• Integrity

   We maintain high ethical and moral standards in speech and in personal and professional conduct.

• Innovation

   We seek out new possibilities in every area and embrace ground-breaking change that adds value.

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