Replacement Windows

Keystone Industries, Inc.
105 Mahoning Ave.
New Castle, PA 16102
vinyl replacement window

Our Windows

     Keystone Industries Window & Screen Systems, Inc. was founded in 1989 by a father & son team, Michael DeRosa Jr. & Sr., who have collectively worked in the commercial window business for 42 years. The DeRosas reached an agreement with the Alsides to purchase their aluminum commercial window lines at which time capital was raised by family & friends who believed in the ability of the management team. Keystone started out in leased manufacturing space in an incubator for industry in New Castle, Pennsylvania, their home town.

     As business grew, a larger facility was purchased in New Castle in 1991 which is where the company is presently located. Today approximately 56 people are employed there.

     Keystone's primary market in 1989 was public housing but has quickly expanded. Our company now provides window & screen systems for the college and university market, as well as military housing, K-12 schools, hospitals, and office buildings. The addition of our flagship KI7000 SYSTEM window line has allowed us to explore unlimited possibilities in the fenestration industry. Keystone reaches it's customers through a network of experienced, independent architectural representatives.

     The Keystone management team remains focused on building a quality commercial product that continually develops into the most efficient & maintenance-free vinyl replacement windows & screen product on the market today. We believe in the concept to "do what you do best & continue to improve". It is this idea that has allowed us experience an annual growth in sales in excess of industry requirements.

     While expanding our areas of expertise is an ongoing process, controlled growth is always a primary concern. The diversity of our management team sets us apart from the rest of the window industry & we remain confident in our ability to expand our products without jeopardizing the quality customers have come to expect from this aggressive little company called Keystone Industries.

Keystone Industries, Inc. is a manufacturer of quality aluminum window & screen products for the commercial market.

Our efforts are being continually reviewed to insure that our products are delivered in a timely fashion while maintaining the high standards of quality and competitive pricing our customers have come to expect.

Product Brochures (PDF)
     
  KI7100 SERIES FIXED PI FRAME      
  KI7200 SERIES HOPPER PI      
  KI7300 SERIES CASEMENT-IN      
  KI7800 SERIES TILT & TURN PI      
  KI7400 FIXED PO FRAME      
  KI7500 SERIES AWNING PO      
  KI7600 SERIES CASEMENT-OUT      
  KI9-1-1 SERIES EMERGENCY EGRESS PO      
  KI5500 SERIES AWNING PO      
  KI4000 SERIES FIXED BROCHURE      
  KI4100 SERIES SINGLE HUNG - SIDE LOAD      
  KI4200-4300 SERIES HORIZ SLIDER      
  KI6100 SERIES DOUBLE HUNG - SIDE LOAD      
  KI9200-9500 SERIES TERRACE DOORS      
  8800-8900 SERIES SECURITY SCREENS      
  8600-8700 SERIES VANDAL RESISTANT SCREENS      
  2001 SERIES DOUBLE HUNG - SIDE LOAD      
  2002-2003-2005 SERIES HORIZONTAL SLIDER      
   

Welcome from Michael DeRosa, President/CEO of the company.

 

As co founder of Keystone Industries I would like to take this opportunity to thank you for taking the time to research our company and products.

Keystone was founded in 1989 by my father and I whom both had spent our entire lives in the commercial window business only to find ourselves as competitors.  Our roots were firmly planted in the public and university housing for many years where our customers are still confident in our ability to provide a quality product that addresses all of their needs.

In 1999 Keystone Industries took the initiative to develop energy efficient products which would outperform existing windows in the United States.  This journey led us to explore the European methods of fabrication.  Working hand in hand with many designers and engineers from around the globe we developed our industry leading products.   

As you browse through the designs on this website, you will come to understand that we are driven to bring new ideas to our products.  You will find innovation not only in our core products but also within our vast array of custom accessories that reduce labor in the field.  Our unique accessories were designed for a specific job or purpose.  The next time you have a condition that requires a fresh idea; give Keystone an opportunity to design a better fenestration

Michael P. DeRosa Jr. President / CEO