Working with only the best materials!

Excel Custom Contractors is proud to work with many of the leading manufacturers in all areas of construction.

Decking ChoiceDek, MoistureShield

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Roofing Owens Corning, Certainteed

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Siding, Soffit and Fascia Alcoa, James Hardie

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Windows and Doors Anderson, Pella

More window and door products...

Kitchens and Baths Corian, Kohler

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Lumber and Materials Bliffert, Worzella

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Flooring DalTile, ProSource

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BCI Acrylic Bath Liners

BCI Bathliners are the Best in the Industry! Read Why....

BCI Install1 BCI Install2 BCI Install3

Quality and Service

BCI® was established to address quality and service issues experienced by many remodelers in the bathliner industry. We have one mission and that is to provide the highest quality products and services in the industry. We must go above and beyond to provide the consistent level of quality and service our dealers expect and deserve.

Owners and Management with Retail Experience

Upper management has over 50 years of combined experience in operating their own bathliner businesses.

24/7 Contact

Nothing is worse than being out on a job at night or on the weekend when a problem or question is encountered and no one to call for advice. We give our dealers our cell phone numbers to call anytime – we are here to help you every step of the way.

No Franchise Fees

There are no franchise or royalty fees associated with our products or services. Therefore lower costs direct to the homeowner.

Lifetime Warranty

BCI® provides a lifetime warranty on all acrylic products that we manufacture.

Thickest Bathliner Material

BCI® uses the thickest acrylic tub material in the industry. 280” thick for all form-front and .325” thick for all extra-deep bathtubs.

Mold Inventory

BCI® has one of the largest inventories of bathtub and shower base molds in the industry. We can manufacture 99.8% of all orders. Our molds are true duplicates to the customers bathtub or shower base.

Largest Independent Manufacturer

BCI® is the largest independent manufacturer and the fastest growing company in the industry.

Product Selection

BCI® has the largest color selection of products in the industry.


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