Vendors Vendor Spotlight: TPI Corporation (Markel / Fostoria) 12/03/2013 admin Link to a PDF containing an overview of Fostoria Electric Infrared Heaters Mor Electric Heating has been selling TPI Corp. products (Fostoria and Markel) for 40 years! Share this:Click to print (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Pocket (Opens in new window)Click to share on Tumblr (Opens in new window)