History of the DYNACO ARMOR DOOR

Armor DoorThe Dynaco Armor Door is the market leader in doors for high speed, automated, extreme reliability applications such as Fire Doors, Noise Barrier Doors, Mining High Pressure Doors, Underground Mining Doors and large format exterior Security Doors. Armor Doors are high speed, and offer a three hour fire rating. The innovative door provides a unique telescoping open and close mechanism for extremely strong, bottom locked security and fire applications. It is available in a wide array of sizes and custom colors for both indoor and outdoor installation where aesthetics and functionality are important.

Dynaco acquired Teledoor in 2008 and continues to manufacture the product at the same facility located in Lima Ohio. We offer a complete range of spare parts, replacement and upgrade options for older doors. The product was formerly called the Telescoping Door and Teledoor. Prior to our acquisition, the Armor/Teledoor line had several owners and was manufactured at several different addresses in Lima Ohio. In case you have a door with a product name, company name, or company address on the label, and would like to confirm that this is a supported product, below is a full list of previous company names and addresses. The list is lengthy, but it is important to note that most of the corporate name changes were cosmetic. Throughout most of its history, the Armor door was designed, built and supported by the same core group of highly skilled people.

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Product Names: Armor Door, Teledoor, Telescoping Door

Current Manufacturing Plant / Previous Owners and Locations:

  • DYNACO USA, Inc.
    • 1075 Prosperity Road
    • Lima, OH 45801
    • From: 2008 to Present
  • Teledoor LLC
    • 1075 Prosperity Road
    • Lima, OH 45801
    • From: 2005 to 2008
  • Milcor, Inc. (a division of Hart & Cooley Corporation)
    • 1150 N. Cable Road
    • Lima, OH 45805
    • From: 2000 to 2005
  • Milcor, Inc. (a division of Gibraltar Corporation)
    • 1150 N. Cable Road
    • Lima, OH 45805
    • From: 1990 to 2000
  • Milcor, Inc.
    • 1150 N. Cable Road
    • Lima, OH 45805
    • From: 1990 to 2000
  • Milcor, Inc.
    • 1101 E Kibby Street
    • Lima, OH 45804
    • From: 1986 to 1990
  • Inryco, Inc.
    • 1101 E Kibby Street
    • Lima, OH 45804
    • From: 1978 to 1986
  • Inland Ryerson Construction Products Co.
    • 1101 E Kibby Street
    • Lima, OH 45804
    • From: 1975 to 1978