Lock manufacturers

Swedish company

thumb|KABA key

thumb|An ABUS 165/40 padlock thumb|ABUS Gamechanger bicycle helmet

Allegion plc is an American Irish-domiciled provider of security products for homes and businesses.

Mul-T-Lock is an Israeli company that develops and sells padlocks, combination locks, and related security products. It was founded in 1973 by Moshe Dolev and Avraham Bahry and is a subsidiary of Assa Abloy. Four years later, in 1977, Mul-T-Lock introduced the telescopic pin technology and entered the cylinders market.

American lock company