AJ Manufacturing, Inc

A.J. Manufacturing, Inc., is a premier metal insulated door and window manufacturer in the United States.

A.J. Manufacturing, Inc., is a premier metal insulated door and window manufacturer in the United States. A.J.'s strategy for meeting competition is to offer high quality for a moderate price, and to take an innovative approach to satisfying and exceeding its customer's expectations. A.J. is a niche marketer and a specialty door manufacturer. A.J. supplies products for three distinct market segments including doors and windows for the post frame industry, access doors, wall panels and pressure relief doors for the HVAC market, and storm doors.