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Superior Interlock's Key Interlock Systems are proudly made in the U.S.A.

Superior Interlock accepts MasterCard for all purchases!

Superior Interlock accepts Visa for all purchases!

Superior Interlock Corporation - Key Interlocks System Manufacturer

Key Personnel

Contact Information

Phone : (718) 821-8949          

Email : info@superiorinterlock.com

Mail :
Superior Interlock Corp.
73-39 Central Avenue
Glendale, NY 11385

Map to Superior Interlock Corp. Office

Superior Interlock Headquarters

Outside Sales Engineering Representative:

  • Ormond Associates, Inc.
    1605 School Street
    2nd Floor Suite 211
    Moraga, CA 94556
    Tel: (925)-377-7070
    Fax: (925)-377-7071




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Phone: (718) 821-8949