Below is a list of some of our preferred suppliers. DSI takes pride in using the best product available for your budget and your performance needs. Call us today to ask us how we can make your entry door the pride of your home, shop or commercial building! (847) 877-5580
Automatic Doors


1 DormaDORMA
DORMA Americas is a leading global manufacturer of premium access solutions that enable better buildings. DORMA has earned a widespread reputation for products and services that provide security, safety and convenience around the door. No matter what sort of door application you are planning, DORMA has the door system to operate it.

1 RecordRecord
Record-usa provides swing, slide, and folding door systems that incorporate the latest in automation technology. record-usa products are aesthetically compatible with all types of store front applications while providing for ease of installation and dependable operation. The persistent effort to incorporate quality materials and craftsmanship has earned the confidence of architects, general contractors, and end users throughout the world. Whether the project is renovation upgrade, new construction, national account or one of a kind, the automatic door systems engineered by record-usa will provide years of dependable service.


Commercial and Residential Garage and Rolling Doors



1 WayneWayne Dalton
The right garage door has a great impact on the curb appeal of your home. Wayne Dalton offers you a wide selection of designs, colors, materials, windows and accessories that best compliment your home.


1 CHIC.H.I. Overhead Doors

C.H.I. understands the importance of owning a residential or commercial garage door that is not only functional but also able to withstand the daily operations in the toughest industrial environments. We offer a wide selection of insulated and non-insulated commercial upward acting doors to fit your exact specifications.

1 clopayClopay
Clopay® is North America’s leading residential garage door manufacturer and a preferred supplier of commercial overhead sectional garage doors and coiling steel doors.

Clopay offers a broad assortment of beautiful, energy efficient residential garage doors to fit your home style and your budget.

Overhead Door

Overhead Door Corporation is a total, one-stop solution that meets your every upward-acting-door need. Featuring premium materials, superior craftsmanship and innovative functions, our products continue to lead the industry, underscoring a legacy of quality, expertise and integrity.



Garage Door Openers


1 genieThe next generation of Genie garage door openers offers more power, features and reliability.

1 marantecMarantec America, maker of the most intelligently engineered garage door openers, access systems and garage door opener accessories.

The garage door and is usually “the” most used door in a home. The choice of a reliable and safe garage door opener is paramount. As new builds and remodels are specifying more stylistic and in many cases heavier garage doors, Garage Door Openers (GDO’s in industry speak) with higher-rated power are used to move them, but at increased risk to your safety and much added noise.


Residential Industrial Security Entry/Access Hardware


1 ingersolrandIngersoll Rand Security Technologies built its legacy on the strength and innovation of mechanical security products that make environments safe, secure and productive. Our product line ranges from vandal-resistant door hardware to ADA-compliant levers, high security key systems and portable security products.

Residential Security Products

Schlage offers home security solutions from a wide selection of mechanical and electronic security locks and accessories in touch with modern lifestyles. When you choose Schlage, you’ll have peace of mind knowing your home is secure.

Commercial Security Products

Schlage has been providing innovative security solutions for schools, hospitals, hotels, condominiums and a host of other commercial buildings for more than 85 years. With a wide range of products, styles and finishes, Schlage has what you need no matter how demanding you projects specifications may be.

Schlage Electronics — Schlage Electronics is at the forefront of cutting-edge technology such as wireless security products, biometrics and video solutions.

Von Duprin — Von Duprin currently manufactures the widest range of exit devices and outside trim operations, including rim-type and mortise lock, surface and concealed vertical rod, fire-rated and several electrical options.

LCN — LCN is the industry standard for quality, durability and innovation in premium door closers.

Ives — IVES has produced a full line of quality building hardware for over 120 years. IVES’ extensive hardware line includes a variety of pivots, flush bolts, push/pull handles, kick plates, doorstops, hinges and more.

Falcon — Falcon makes door hardware simple through our continuous investment in lock, exit and closer solutions making Falcon the right choice for architects, distributors and professional locksmiths who demand service, quality, and value.

Dexter locks, levers and knobs are built to exacting specifications and are available in a variety of designs an


Storefronts and Commercial Entry Doors


1 EllisonEllison

Ellison crafts the world’s finest commercial entry doors.


1 PittcoPittco products are engineered and manufactured to the same exacting standards that helped build the company’s reputation for quality and reliability. Today designers and specifiers choosing Pittco have far greater flexibility and many more choices from an almost unlimited array of aluminum shapes, colors, and glazing systems.



High Speed, High Performance Entry Doors


1 Mara

Marathon manufactures high speed, high performance roll up doors and sliding doors…for quick access, security and reliable operation.