Gappa Security Solutions

Marshall Best Security Representative in Wisconsin, Minnesota, and Northern Illinois

We are a full service access control company.  We provide, install, and maintain lock and door hardware, masterkeying systems, electronic card access systems, and IP cameras.

Gappa Security Solutions was established in Waupun, WI in 2005.  Since then, we have sold, installed, and provided service for Marshall Best Security (MBS) products.  MBS products allow our customers to stay with their Best Interchangeable Core System while obtaining a high level of customer service.  


Gappa Security Solutions and Marshall Best Security agree that "It is not enough to satisfy our customers.  We must delight our customers!"  Keep your Best system - just make it Marshall Best.

We believe that a high quality product and excellent customer service are the core pillars of a strong, reliable business.  We provide top-of-the-line, grade one lock hardware at an affordable price and the kind of service you remember from years ago.  We have sales representatives and service techs who travel across the state ready to meet your needs.  We also do all of our core pinning and key cutting in house, so we are able to meet your needs quickly and efficiently.

Beyond our Marshall Best Security product line, we also offer a wide variety of access products, including electronic access, patented key systems, exit devices, door closers, and cameras.

We understand that respect is earned and we look forward to the opportunity to assist you with your security needs.  Give us a call and allow one of our sales representatives to listen to your specific needs and design a plan that is customized for you.