Company History

Excel Custom Contractors was founded by Robert McDonald when he saw a need to provide higher quality service and products in Southeastern Wisconsin and Northern Illinois.

The desire was to meet the challenging needs and high level of customer demands with Integrity and superior service. It was with idea of providing ‘custom’ized customer service, to meet the unique individual tastes and product performance goals of his customers. Excel Custom Contractors, LLC. prides itself in doing the best job the right way the first time, this ensures our customers will get what they expect from both their product choices and quality construction installations.

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Our Warranties

All of our warranty programs include the highest quality manufacturer recommended installations.

'Tier 1' Warranty Program – Lifetime Labor Warranty (Highest Quality Products Used) with Lifetime Free Annual Performance Evaluations

'Tier 2' Warranty Program – 7 Year labor Warranty (Combination of the Highest and Standard Quality Products Used) with 7 Free Annual Performance Evaluations

'Tier 3' Warranty Program – 3 Year Labor Warranty (Standard Products Used) with 3 Free Annual Performance Evaluations

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Our Partners

Milwaukee Builders Supply

ABC Supply Co.

Norandex/Reynolds

Bliffert Lumber

Worzella Lumber

Stock Lumber

Grainger

Hilti, Inc.
Bluebill Electric, LLC.

Hertz Equipment Rental

FloorCo

Prosource

First Supply

Unlimited Window

McDermott Top Shop

Sherwin Williams

Hallman Lindsay
Brew City Plumbing & Heating

Our Standards

High Level of communication

All Employees are background checked

Complete Safety program in place

Quality Team Approach to Service