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Abus stands for August Bremicker Sohne KG. This is a German company that has been in existence since 1924 when it first started producing different kinds of padlocks. The company is family owned and managed according to moral principles. ABUS is popular for its different types of padlocks and the quality of their products, which continuously improve with time. The products they sell include video surveillance systems, smoke alarms, locking systems, alarm systems, as well as bike and boat security products.


ABUS has three subsidiary companies which are Security Center, SchilieBanlagen GmbH Pfaffenhain, and SECCOR. Security Center was founded in 1999 and is known for its alarm and video surveillance systems. SchilieBanlagen GmbH Pfaffenhain is the security hardware division which was developed in the year 2003. SECCOR focuses on electronic switching devices and locking systems. ABUS has the highest production facility in Germany and has spread its products to many more countries across the globe. Some countries include the USA, France, Sweden, Austria, as well as China and several other European countries. ABUS is also considered the largest manufacturer of bike locks and padlocks. The company has earned an award as the Brand of the Century in security technology.

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*ASSA Abloy

This is a lock manufacturer which was developed when ASSA AB was disassociated from Securitas AB in 1994. Securitas is a Swedish security company. After the separation, ASSA AB acquired ABLOY OY, which was a subsidiary of a company known as Wartsila. That same year the company was listed in the Stockholm exchange market.

This company known as ABLOY has become one of the fastest growing lock companies in the world, and is best known for its high quality, high security entry door locks. The popular acquisitions made by the company include Fichet-Bauche, which is based in France; Medeco company, based in America; as well as Mul-T-Lock, an Israeli company. The largest shareholders include the Melter and Laour. ASSA Abloy has five divisions which includes EMEA; this division has branches in Africa, the Middle East, and Europe. The other divisions are in South and North America. Since its inception, the company has undergone several technological transformations. Assa Abloy has become famous for its “unpickable and bump proof” disc tumbler lock. Abloy is considered to be one of the most qualified high quality locks on the market in the modern era.

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*Chubb Locks

Chubb Locks is known for their high quality security systems offered. They specialize in manufacturing first class locking systems for commercial properties, residential houses, as well as secure confinements. Chubb Locks was established in England by Charles Chubb. Before transforming into a locksmith company in the year 1818 it was a ship ironmonger business.

During the 1800s it became the leading manufacturer of security locks in England and was publicly announced as so by the king of England, George IV. The company then went through several mergers. It ended up merging with Mul-T-Lock. Chubb Locks is known for various products like mortise locks, cylinder locks, fire alarms, smoke detectors, glass break detector, as well as burglar alarms. Chubb Locks is another leading company that manufacturers high security locks and other products that can be used for a home, business, or industrial purpose.

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*Kaba Group

Kaba Group is a global security company located in Switzerland. They are notorious for their KABA X-07 and KABA X-09 electronic locks and their multi bitted dimple lock designs. Kaba Group is categorized as a security technology company. The company gradually became a security locksmith company, but before that it was a cash register factory and locksmith shop. Once the company entered a partnership with Fritz Schori, who invented the first reversible key. After this partnership the company went worldwide and was renamed Kaba Holding AG. The company produces all sorts of products such as safe locks, cylinders, safe deposit installation, physical access systems, lodging products, and so on.

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Kwikset is a lock manufacturing company owned by Spectrum Brands. Their name derived from their first product, the tubular lock design. The lock was phenomenal considering that it was so easy for locksmiths to install, so therefore, many locksmith companies desired the tubular lock design. This led the company to expand and branch out into other territories all over the world. Kwikset has a higher quality Titan line of production, and later it was changed to the signature series. This company has also undergone several acquisitions, similar to the other brands mentioned on this page.

This brand has remained extremely popular because of their unique awareness on the latest technological reproductions. They try to remain up to date with the latest technological happenings, which is what makes this company so innovative. The various mergers associated with this company have raised their range of products and has allowed the company to expand into different types of locks.

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*Master Lock

Master Lock is an American based company. They specialize in different lines of products such as combination locks, padlocks, and other security products. Master Locks has spread throughout the world and has also gone through several mergers. Master Locks was purchased by American Brands in 1970. Master locks started as a mobile locksmith company, and eventually branched to producing military equipment locks. Master Locks is notorious for the development of the skeleton key (also known as master key system). In 2002 the company was obtained by the American Brands Corporation and produced it’s Titanium series. Master Lock has become one of the most popular brands in the United States, as well as other parts of the world. Besides it’s excellence in production, Master Locks is also known for its aestheticism.

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This company is known for being one of the highest quality manufacturer of locks and security keys in the locksmith production industry. Medeco is an American company and has associations with the Assa Abloy Group. The company was developed in the 1950s. Originally the company started as a mechanical development company located in Salem. This brand is preferred by many locksmith professionals because of it’s unique locking principles that is resistant to some forms of burglary attacks. Medeco has expanded its horizons, and developed a new product named Biaxial, which uses a superior locking technology. The pin tumbler lock the company offers is equipped with a sidebar to increase protection against lock picking and lock bumping. The Keymark is another product developed by this company, which was created in order to avoid lock bumping. Medeco Is a global company that is so highly regarded in its expertise high security lock manufacturer it is used in highly sensitive locations, such as banks, airplanes, and military compounds.

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Mul-T-Lock was developed in Israel, and is one of Assa Abloy’s subsidiary companies. Mul-T-Lock was purchased by Assa Abloy back in 2000 and has become one of the best known manufacturers of high quality security locks for different purposes. This company produces medium and high security lock cylinders, electronic locks, padlocks, and multi-point locking systems, as well as a range of other lock related hardware. Just like Medeco, Mul-T-Lock is one of the most recognized names in security and is used by professional locksmiths.

A popular product created by the company is the four-way door lock system, which was introduced to the locksmith market in 1973. The success of this product left the company to expand globally so that by the year 1982, the company had started creating other merchandise such as cylinders, steel doors, locks, accessories, vehicle protection locks, and several other high security products.

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Schlage is an American lock brand founded in 1920 with headquarters in San Francisco. Schlage is one of the most popular brands and produces low to medium security locks, for both residential and commercial properties. They primarily generate pin-tumbler locks such as the Primus, Everestm and Obverse product line.

Just like all the other companies mentioned above, Schlage has undergone acquisitions and mergers. For more than thirty years Schlage became a subsidiary of Allegion, America’s best know brand for security related products. This company also cultivates keyless entry locks, key blanks, and related hardware like door knobs, levers, and handle sets.

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Yale is a subsidiary company of Assa Abloy. The company is based in Connecticut and is best known for its pin tumbler lock. Linus Yale was the inventor of the pin tumbler lock and created this company in 1868. The basic design of this lock is currently used by lock manufacturers around the world. In the modern era, Yale mainly produces low to medium security lever lock cylinders, warded locks, safes, padlocks, and electronic locks for residential and commercial properties.

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*CISA (Costruzioni Italiane Serrature e Affini)

CISA is an Italian company and is a leading manufacturer brand in Europe, as well as other parts of the world. CISA is popular for their lines of merchandise which include access control and locking sectors. Their products are available in over seventy countries, which is how they are so well known. CISA became favored in the industry because they were the first company to patent electric lock (circa 1926). Aside from the patent electric lock, the company also manufactured smart card locks. In the present day, CISA is a subsidiary company of lingersoll Rand Security Technologies. CISA’S innovations are driven by technology and excellence. Their lines of products such as smart card locks and electric locks provide the highest security standard in the home, office, and industries. CISA has really transformed the residential security market.

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*Best Lock Corporation

Previously known as Door Hardware and Lock, the company was established in the year 1926 in Washington, and then relocated to Indianapolis in 1938. The company has constantly been transforming over the years, however their products are still considered as the best access brand. Best Locks Corporation manufactures a range of security products for industrial, commercial, and institutional facilities. They sell their products directly to potential customers without granting any access to wholesalers. Various productions include padlocks, cylinder locks, keypads, and speciality locks with accessories. They are most well known for their small format interchangeable core cylinders, which they started generating in the 1960s. This was considered a replacement for its original removal-keying configuration and caused their rapid growth within the larger and moderate sized master keying market.

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*Deitz Lock Company

This brand is not particularly popular, but is famous and respected universally for their innovative locks. This is an American company that was formed in the year 1861 by a gentleman named Alonzo Edward Deitz. The company was founded in Brooklyn, New York and produced locks for local vendors. Deitz is notable for their upscale locks that were introduced into the market. Their locks have a distinctive pin which is what makes it a unique brand. Deitz released various lock models which can be seen in their catalog. Some of the more popular locks are for drawers, doors, as well as padlocks. Their products have been available globally in the last two centuries. Deitz Lock Company is associated with excellence and high performance locks.

View their lock improvement patent: Google Patent


*Sergeant and Greenleaf

This is a U.S. lock manufacturing company that has been in the lock making business since 1865. Sergeant and Greenleaf has been involved various lines of locks production such as safe deposit locks, key operated safes, combination locks, high security military keys, and so on. The company had their original outfit in New York and remained in Rochester until it was moved to Kentucky in 1975. Their products were most notably used for the American railway sector. The company is known for their high security products for the railway sector, vaults, and safes that are widely distributed around the world. S & G have generated various innovative locks including the Sergeant’s Magnetic Bank Lock which quickly made a name for itself as the best changeable combination lock ever produced. In 1873 the first time lock was created by the company which was produced in 1880.

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*Sealock Security System

Sealock is a American based lock manufacturing company. Since it’s conception the company has remained the leading manufacturer of cargo container locks in the world. Sealock Security System became a leading security company because it is the only company that has the dealing and locking device to become a member of C-TPAT (United States Customs-Trade Partnership against Terrorism). The company has three different product lines, which includes single-use merchandise, double use products, as well as their tamper evident product line. Sealock Security System was developed in 1996, the company aimed at becoming the leading business in the prevention of tampering and stealing sealed cargo content. They quickly led the market after the 9/11 attacks.

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*Wilson Bohannan Company

This is another American based company that has been producing security products and padlocks since its conception in 1860. The company was founded by Wilson Bohannan and received their patent for the first padlock. Subsequently the company produced far more patents to create other types of padlocks in the country. The company later opened a workshop in Brooklyn in order to attract more clientele. The company has become known for their superior quality padlocks.

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