Commercial Operators

Commercial Operators in Augusta, Cumberland, Freeport, ME & Surrounding Areas

At DSI we prefer the following commercial garage door operators due to their superior quality and renowned status.


LiftMaster is a major manufacturer of commercial door operators and is the number one brand of professionally installed residential garage door openers. LiftMaster has an expansive line of state-of-the-art commercial products which are designed to fit any lifestyle or application. They also provide the latest technology and innovations in safety, security, and convenience.

LiftMaster commercial door operators are highly customizable, so they can be modified to excel in any environment.

Liftmaster has a variety of commercial operators which include:

  • Light-Duty Series
  • Medium-Duty Series
  • Industrial Duty Series

Click the link below to learn more.


Linear has been creating gate and garage door opening since 1961. Whether you are a small local business or a large industrial warehouse, Linear commercial operators have the solution for all your needs. Linear Pro Access has an expanded line of commercial garage door operators which can be mixed and matched.

Linear Commercial Door Operators are designed to be used with a variety of:

  • Drawbar Operators
  • Jackshaft Operators
  • Door Operator Accessories
  • Operator Control Stations
  • Radio Controls

Click the link below to learn more.