• AMBICO Limited

  AMBICO Limited was founded in 1955 and has become a world leader in the manufacture of specialized door and frame products. Although renowned for these door and frame products, AMBICO is also recognized as a leading-edge manufacturer of acoustic windows and glazing for high performance doors.

• AMBICO Limited

• ACI Distribution

• Allied Garage Door Inc.

• Apex Industries Inc.

• Asia Building Material Co.

• Automatic Doors Of The Midwest Inc.

• C M Security Group Inc.

• Ceco Door Products

• Chase Industries, Inc.

• Concept Frames, Inc.

• Crane Revolving Door Company

• Crescent Designed Metals

• Curries Company

• D & D Specialties

• Dawson Metal Company, Inc.

• Deansteel Manufacturing Company, Inc.

• Deronde Products

• Detention Device Systems

• Door-Man Manufacturing Company

• Door-Man Mfg. Co.

• Dor-O-Matic Closers

• Dor-O-Matic Inc

• Eliason Corp.

• Ellison Bronze, Inc.

• Emerson Engineering Company, Inc.

• Ever Ready Technologies Ltd.

• Ever Ready Technologies Ltd.

• Fleming Steel Doors & Frames

• Floral Glass & Mirror Inc.

• Harvard Products, Inc.

• Horton Automatics

• I R Security & Safety

• I R Security & Safety

• I R Security & Safety

• Jomade International, Inc.

• Kawneer Company of Canada

• Los Angeles Fireproof Door Co.

• Metal Manufacturing Co.

• Metal Products, Inc.

• Metropolitan Door Industries

• National Custom Hollow Metal

• Next Door Co.

• Niche Architectural Inc.

• Overhead Garage Door, Inc.

• P-W Metal Products Co.

• Pacific Plus International

• Pioneer Industries, Inc.

• Quality Metalcrafts, Inc.

• Rivett Architectural Hardware Ltd.

• Scherping Systems, Inc

• Security Acoustics Div.

• Security Metal Products Corp.

• Select Products Limited

• Southern Steel Co.

• Specialty Steel Industry of North America (SSINA)

• Stainless Doors Incorporated

• Stainless Steel Kitchens

• Stiles Custom Metal

• Taylor Building Products

• Taylor Door

• Timely