Specialty Insulated Windows

Winner of the 2007 Business Integrity Awards "Circle of Honor"

Specialty Insulated Windows
4162 West 4th Street
Hattiesburg, MS 39402
601-264-9712 or 888-682-9712

Founded January 7, 2002 Hattiesburg, MS

Business Affiliations:

  • Mississippi Better Business Bureau
  • ENERGY STAR Partners
  • Greater Hattiesburg Home Builders Assoc.
  • National Association of Home Builders
  • Area Development Partnership


  • Gorell Windows & Doors-High performance vinyl windows & doors
  • Marvin Windows & Doors-Wood, vinyl and clad windows and doors
  • Accu-Weld Windows & Doors-vinyl windows & doors, entry doors
  • C-Thru Sunroom Systems-Sunrooms, Conservatories, Patio Rooms
  • Grand Additions-Sunrooms, Conservatories, Enclosures

Mission Statement:

To provide only top quality products at a competitive price with professional, courteous service and expert installation.


Specialty Insulated Windows promotes products that are ENERGY STAR compliant for the southern climate as part of it's business philosophy of offering products that are good for its customer-and the country. The company became Mississippi's first Independent Retail ENERGY STAR Partner in January of 2003. Partner, Mike Allbritton andGeneral Manager, Chris Almquist are certified to offer Gorell products, the 2004, 2005 & 2006 ENERGY STAR Partner of the year.

Along with their vast experience, Window & Door Project Coordinators for Specialty Windows are sent through intensive training to become Installation Masters, certified by the American Architectural Manufacturers Association.

Mike Allbritton and Chris Almquist attended C-Thru University to be certified C-Thru dealers. Sunroom Project Coordinators are sent for training as well to be certified Insallers for C-Thru and Grand Additions sunrooms and conservatories.

Product Knowledge and on going training is and important aspect of business for Specialty Insulated Windows. Not only is it used to educate consumers, it has developed trust and confidence from happy and satisfied customers.