The beginning
“Lesi” Company is founded from a team of engineers – specialists in the electronic and microprocessor sphere.

1990 year
The firm began its activity in 1990 year with the producing of nonstandard electronics and industrial controllers as well as with the installation of security systems for cars, homes and offices.

1991 year
In 1991 the firm began a batch production of thermo regulators and nonstandard industrial controllers. Since then the firm has produced numerous kinds of controllers for industrial machines and it has equipped four workshops with wholly automated system for control the quality and production process. The firm continues to produce custom industrial and specialized controllers to firms from Bulgaria, Macedonia, Germany, Holland, Canada, USA and many others.

1994 year
After the firm has gained considerable experience in the installation and usage of security techniques, in 1994 it began to produce security systems using the most contemporary technologies and the gained experience at the industrial controllers’ production.
The leading motivation for starting such a production was to offer to the market qualitative and hard for disarming alarm systems, which are different from the rest and to guarantee to the client that he has a real chance to protect against the thieves.
In 1994 we have produced the first security product for cars – immobilizer “IM GRIZLE”.

1995 year
In 1995 began the production of telephone dialers – three models – one model “tone” and two models “voice”. In the same year began the production of home security systems with mark “PROTON” too.

1996 year
In 1996 the “Lesi” firm lead in three-stage control of the quality – incoming control, middle controls at the production stages and final control, fully testing of the properties and parameters of the products of the representative excerpt from the produced consignment of goods in our labs. The testing of the properties and parameters of the new products is made in independent labs.

1997 year
In 1997, Mart the firm produced SMD production technology. In this way the quality and productivity are extremely increased and the physician dimensions of the productions are reduced.
In 1997 began the production of electric locking systems with “BULKEY” mark.
Four specialized security systems for big objects – companies and big trade centers, are built in the period 1997-2000.

1998 year
In 1998 the firm made its first product presentations at specialized exhibitions – “SECURITY” 1998 in Sofia, Bulgaria; International Fair of Plovdiv, Bulgaria; International Technique Fair in Plovdiv – September 1998; “Three keys” – Varna, Bulgaria 1998.

1999 year
In May, 1999 the Patent Department made its decision about patent the trade mark “BULKEY”.
In December, 1999 the first car alarm system with mark “VALCOR”, model VR 52 has been produced.
In 1999 the firm made presentations of its products at the specialized exhibitions like International Spring Fair of Plovdiv; International Technique Fair of Plovdiv; International Fair Modena Italia.

2000 year
In Mart, 2000 after the good acceptance of the model VR 52, began the production of model VR 36.
After that, started a period of development of new models and proving the quality of our security systems.

2002 year
In Mart, 2002 we opened our first firm shop.
In October, 2002 we opened and our first branch in Varna.
In the period October 2002 – January 2003 the products with mark “VALCOR” were tested in independent laboratories and in January 2003 they received a certificate for quality and safety.

2003 year
On 21.08.2003 the “Patent Department” made its decision to patent the “VALCOR” mark.
Our firm is a regular participant in the following exhibitions – “SECURITY” 2003 Sofia; “SECURITY” 2004 Sofia; “THREE KEYS” Varna; “Motor showroom” Varna 2003.

2004 year
For a serial year our firm took participation in the annual exhibition “SECURITY” 2004 Sofia, where we presented our new model range for 2004.
For the first time at the Bulgarian market was presented a new vanguard system for announcement – GSM communicator.

In all these years “Lesi” firm has proved oneself with acceptable prices and excellent installation made by highly skilled specialists. You can convince yourself by visiting our firm shops where you will be attended by highly-skilled consultants and you will receive detailed information about our security systems.