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From the Owner’s Desk

Welcome to Grant Signs!

The Grant Signs tradition of excellence began in 1931. Our projects are seen across Wisconsin and showcase the quality and dedication our customers have come to trust. DP Industries LLC was formed March 2013 to carry on that great tradition.

We specialize in all types of interior and exterior signage, from design & permitting to installation & service. We serve churches, schools, retail stores, restaurants, financial institutions and various other businesses and organizations.

Our goal is to understand your signage needs and to meet those needs quickly and efficiently. We understand that you are busy and that your signage project is just one of many things that you are addressing … we strive to make it easy for you!

When you choose Grant Signs, you’ll see that our employees are really good at what we do! It’s our experience and innovative approach that makes us best able to handle many types of signage projects. Grant Signs is dedicated to helping businesses like yours reach your full potential with effective signage.

I look forward to doing business with you!

Dan Pietrzykowski
Dan Pietrzykowski


Grant signs truck

Grant Signs – With our extensive fleet of vehicles, experienced technicians and skilled professional staff, we are entrusted with:

  • Designing your custom interior and exterior signage.
  • Sign installation from vinyl graphics on your storefront and detailed interior/lobby signage to large sign structures that require multiple pieces of our heavy equipment.
  • Sign maintenance with our fully-stocked service vehicles.
  • Lighting Maintenance – wall packs and parking lot lights are easily handled with our high-reach equipment.

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