Window Specialists, Inc. is a leader in the field of commercial windows, glass, and glazing.

We believe that this is largely due to the fact that we focus on our specialty and concentrate on doing it better than any of our competitors.

Our Goals

To exceed our customers' expectations by identifying their needs and by providing them the services necessary to complete their projects in an efficient and profitable fashion, so that we may earn their consideration for forthcoming projects and a long term business relationship.

To provide for employees an environment that is conducive to the development of their individual potentials.

To be good citizens in the communities in which we operate.


Window Specialists, Inc. is an independent specialty glass and glazing contractor committed to excellence in the fabrication and installation of commercial, residential, specialty and government applications. WSI is dedicated to addressing the next class of challenges for industrial, commercial and architectural users. We are headquartered in Central Pennsylvania.

Market Focus

WSI sells and services several key market segments:

  • Government and Defense
  • K-12 Education Facilities
  • Condominiums and Apartment Complexes
  • Commercial
  • Historic Restoration
  • Colleges and Universities
  • Corrections and Secure Facilities
  • Healthcare
  • Industrial
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