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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           Fax : (718) 417-6162

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:

  • Heritage / ServiCon Sales Corporation
    228 Westinghouse Blvd
    Suite 108
    Charlotte, NC 28273
    Tel: (704) 588-1034
    Fax: (704) 588-1037
    Email

  • The Conrardy Co.
    1020 West Fullerton Avenue
    Unit E
    Addison, IL 60101
    Tel: (630) 543-2226

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

  • Muller Harper, Inc.
    PO Box 15518
    Pittsburgh, PA 15244
    Tel: (412) 787-0911




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Phone: (718) 821-8949