Great Brands. Greater range. Our product brands each contribute their own specialty and expertise. Putting them all together under one umbrella makes Entrematic a strong business partner in entrance automation for distributors and installers. Read more about our brands: Amarr Kelly Serco Normstahl Dynaco Nergeco Ditec EM With the combined brand portfolio we offer you a market-leading choice of high-quality, installer-friendly products backed up by an experienced team.