CMC-C performs complete engineering in electrical installations and equipment for industrial plants and public infrastructure.

Our main activities are design, manufacuring, installation, alignment, maintenance and control of new and repair and reconstruction of existing electrical installations and systems, automated control systems for monitoring of technological complexes.

CMC-C performs electrical-engineering projects in heavy industry (mainly in mining, metallurgy and energetics), light industry and in the construction of large public buildings.

We have exclusive competences in the production of protection devices, distribution substations and control panels for electrical equipment in mining companies with IT networks.

We are leaders in the reconstruction and upgrade (retrofit) of distribution systems for medium voltage (MV).

We produce unique designs high-power switches and plug connectors for low voltage (LV).


My personal impressions and reviews are giving a reason to recommend "CMC-C" Ltd. - Electrical engineering, as an accurative, corrective and with a high professionalism contractor, to whom can be relied. а.

Eng. Dancho Lazarov

Intertrust Holding BG

Equipment supplied by „CМC-C” EOOD is “state of the art” and “fit for purpose”, contacts are completed without delay with full documentation being provided Training is offered to in-house employees during commissioning, developing both good spirit and co-operation.

N. Trasiev

Navan Resources Group of Companies

CMC-C is demonstrating professionalism, responsibility for high quality and compliance with contracted terms in the performance of the assigned tasks [...] CMC-C Ltd has a highly qualified engineering staff and well educated employers, on whom can be relied for the designing, installation and adjustment of electrical systems and especially in the field of mining, ore dressing and metallurgy, where the company is one of the few in the country with years of experience, tradition and competence…

Eng. Vasil Nikov

Schneider Electric Bulgaria EOOD

We declare our belief in the high professionalism and integrity of the management and executive staff of "CMC-C" Ltd. - a modern company, which can be relied upon ... "

Eng. Ivo Tringov, Managing Director


The high quality of work, correctness, accuracy and strictly keeping the undertaken engagements, combined with underlined professionalism, are good reason for me to recommend CMC-C Ltd as a reliable and effective partner. …Referring to the shown high qualification of the working and engineering-technical personnel, the company completely won our trust …”

Ing. Lubo Danailov, Manager Engineering Department

Cumerio Med JSCo

"...we, have no hesitation in recommending your Company to any Client, who wishes to trade with a reliable Company, who treat Client satisfaction as a matter of priority..."

Uwe Kihm

Petrobau Ingenieur Bulgaria EOOD

Our impression is that CMC-C is a company that works in the style of the best European tradition, with high technical culture, quality and responsibility ... "

Yordan Yordanov, Head of Energy department

Kostenec-HHI AD

With their work CMC-C Ltd has earned our trust. Each activity is characterized by competence and responsibility with respect to deadlines without compromising quality. CMC-C, with professional attitude in the performance of assigned tasks, is a company which can be relied upon to implement complex and specific projects for mining companies ..."

Eng Petko Ivanov, Chief Energy engineer

Chelopech Mining EAD

About us

За нас

Since it was established in 1995 CMC is developing sustainably as an organisation which can offer a complete spectrum of services in electro engineering for the heavy industries.



CMC offers services in design, construction, maintenance, repair and control of electrical installations.



We offer various models of electrical switchboards, transformer substations and various components for industrial and domestic power installations.