Contractor-grade sales and service

Rely on our experience and support to complete your next professional building project. Our commercial sales department has the knowledge and experience to put you ahead. We are familiar with the different requirements that are part of the commercial building industry, such as the U.S. Green Building Council - LEEDS (Leadership in Energy & Environmental Design). We are also ENERGY STAR partners.

With our custom millwork capabilities, we can design and build custom casework, partitions, mouldings, doors, windows, cabinets - the list is almost endless. Or, we can build from your plans!

We also design and manufacture roof trusses, floor trusses, and panelized walls - plus a wide variety of other specialty items. Click on our "Trusses and Panels" link under the "Materials" header.

Dedicated customer service. A highly trained staff. Experience, knowledge and high quality materials. Big C Lumber has the tools you need to successfully complete your project. Contact one of our commercial sales representatives listed below.

Our Service Promise to our Professional Customers

  1. Same day delivery is available for stock products. Specific days and approximate times may be scheduled in advance.
  2. Material returns will be picked up within two business days and posted within three.
  3. Back orders will be minimized. Our historic fill rate is 98.6%.
  4. Materials will be invoiced per estimate terms.
  5. Loads will be double-checked for accuracy.
  6. Quality will meet the customers' expectations.
  7. Outside sales people have a minimum of five years industry experience.
  8. Free estimating service for regular customers.
  9. If we don't carry the products our customers want, we will do our best to find them.
  10. We will respond to our customers' needs in a prompt, courteous manner.


Why Big C Lumber?


Big C Lumber has been in business since 1921. We are locally owned. The money you spend here stays here in the communities we serve.


With 15 locations in Northern Indiana, Southern Michigan, and Northwest Ohio,  - we are the largest supplier to professional builders and contractors in these markets. We also operate three manufacturing facilities: a Structural Building Components Facility offering Roof and Floor Trusses, Wall Panels, and a large selection of Engineered Lumber; a Custom Millwork & Cabinet Facility, and a Window & Door Facility.


We offer a wide variety of model home discounts.


We stock the largest assortment of lumber and building materials in the area. From our distribution facilities, we ship to most of our locations weekly - which keeps us in stock on most items. If we don't stock the item you want, we will do our best to find it.


We have the largest assortment of engineered lumber in the area for immediate delivery direct to your job site. We can also provide you with an I-Joist layout of your project.


Based on your business volume, you may qualify for our annual Contractor's Trip.



We operate our own manufacturing facilities including a Structural Building Components facility (fabricating roof and floor trusses and wall panels), and a Custom Millwork & Cabinet facility. We stock or produce many of the above items and ship directly to your job site. We also offer various steel products for pole barns, framing, siding, roofing,  and other uses.

Over 25 outside contractor salesmen are available to service your needs. All have a minimum of five years industry experience. They attend numerous training sessions to keep their product knowledge current, so they can help keep your business current with trends in the industry.

We have the largest fleet of delivery trucks and boom trucks in the area. With our fleet of boom trucks we can deliver shingles to the roof and spot drywall throughout the house. We offer FREE delivery on most building materials, often the same day.

We are the largest Andersen Window & Door distributor in the area. We are able to offer a competitive price and lead-time, and can deliver from our Window and Door facility to your job site. We also feature Marvin Windows, as well as competitively priced lines of quality vinyl windows - including Ply Gem/Simonton Windows, Jeld-Wen, Therma-Tru, and others.

We have Installed Sales programs for such projects as cabinets, siding, windows, and doors that service many of our locations. We also have a Commercial Contractor Sales group offering specialized service to the commercial building field.

Commercial Outside Sales Representatives

Whatever the size of your commercial building project, we have qualified sales representatives to assist you. Along with all the normal commercial building materials your project would require, our Custom Millwork & Cabinet Shop can create custom casework, partitions, mouldings, doors, windows - the list is almost endless. We have supplied custom products for hospitals, schools, retail, office buildings, libraries, restaurants, churches, and more! Let us help you on your next project! Our Structural Building Components Facility manufactures roof trusses, floor trusses, and panelized walls. Talk with us soon about your next project!

Keith Currin:  574-286-3161


Let's Get Started