Kwikset, Schlage, Brinks and Master Lock are among the top-selling and best-known door lock manufacturers. These manufacturers produce many types of entry door locks, from keyed and keyless door handles and deadbolt locks to bar locks for all types of doors
Master Lock, a name synonymous with security, offers over 150 door handle and deadbolt locks on its website. Different styles and finishes of keyed door handles and deadbolts make up the majority of the products. Master Lock also offers a variety of keyless combination door locks with backup keyways specific to a number of manufacturers, including Kwikset and Schlage. Schlage, Brinks and Master Lock also make door security bars for interior use on a variety of entry door types.