BYRD VAULT COMPANY, INC. offers a variety of precast concrete products in several colors and design finishes, including: air conditioner pads, benches, burial vaults, catch basins, chimney caps, custo
HTK Company HTK Company designs and manufactures safety ring knives in Upper Sandusky, Ohio, USA. The company was founded 120 years ago by James R. Caldwell, a U.S. Railway Postal Clerk, who had a better idea for cutting twine on mail bundles. The original Handy Twine Knife is on rotating display at the Smithsonian Postal Museum in Washington DC.