Home » AJ Mfg. AJ Mfg. May 17, 2004 Reprints No Comments AJ Mfg.'s website, located at www.ajmfg.com/, offers information about the company's grilles and registers and much more. You must login or register in order to post a comment. Report Abusive Comment Thank you for helping us to improve our forums. Is this comment offensive? Please tell us why.