We are a full service General Contracting Company, that specializes in the Carpentry trade. We take care of every aspect of the project for you. Our expertise in all the varying skillsets and trades of the construction process puts us above the rest by having the knowledge to tie all your projects together the correct way with the understanding of how they all interact and effect each other. It can be a small repair to a huge commercial renovation. When it comes to doing it right and just getting it done – let us get it done right the first time.
We also offer full 3D Design and computer generated images for a real look at your project before you get started.

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.

Our Partners

Milwaukee Builders Supply

ABC Supply Co.


Bliffert Lumber

Worzella Lumber

Stock Lumber


Hilti, Inc.
Bluebill Electric, LLC.

Hertz Equipment Rental



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