Home » Colmac Coil Mfg. Colmac Coil Mfg. July 26, 2004 Reprints No Comments Colmac Coil Mfg. announced the redesign of its website at www.colmaccoil.com, to include a site map, industry links, a feedback form, and a downloadable color brochure. Related Directories Colmac Coil Mfg. Inc. 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.