GEOTECHNOENGINEERING Ltd. was set up on 1992. The manager is dr.dipl.eng. Ivan Zdravchev - head of Geodesy department of UACG-Sofia and he have over 60 scientific publications and comprehensive professional experience, managing more than 100 projects in different lines of the geodetic surveying and design works in our country and abroad.

During its professional development GEOTECHNOENGINEERING has established strong reputation, working with quality, accuracy and efficiently.

GEOTECHNOENGINEERING Ltd. offers:

• GPS survey
• Road and railway designing
• Hydraulic designing of projects and equipments
• Geodetic and topographic survey
• Hydrographic and underwater survey of rivers, lakes, coastal waters and dam lakes
• Design works in civil engineering, water engineering
• Design works of roads, railway, tunnels, bridges and pipelines
• Cadastral and topographic plans and maps
• Urban plans and maps
• Special objects

GUS Ltd is a private company, established in 1990.

Prior 1989, its members have been working in different state design and construction institutes and organizations. Now they are organized in different small specialized private companies. The company works with no less than 60 specialists. They have long-lasting experience (more than 20-30 years) in the design and construction.

GUS Ltd is a company, specialized in the field of complete surveys, design, and author engineering control of large projects. Organization of all kinds of design work is being performed, including:

The Institute commenced its activities in March 1993 as an Independent Consultancy Formation and at the end of 1993 it was transformed in Institute of Transport and Communications ITC. This is the first private institute in Bulgaria (with no state participation) in this field.

Directors of ITC are Mr. Vladimir Chakarov and Mr. Christo Chakarov.

Since its establishment, the leading principle in the work of the Institute of Transport and Communications is to follow and implement the Common EU transport policy of sustainable development. The main priorities of Institute’s activities are focused on:

• Studies on infrastructure and traffic conditions along the Pan-European and regional transport corridors
• Feasibility studies on transport infrastructure development, traffic and transport demand forecasts and Cost Benefit Analyses
• Development of analyses and projects for concessionning of transport infrastructure and services
• Strategic planning and investment strategies for execution of large-scale transport infrastructure projects; Evaluation of strategies; Sensitivity and risk analyses; Financial control systems
• Master plans for development of transport companies and projects for modern organisation and management structures
• Harmonisation of the Bulgarian transport legislation with the EC principles; Elaboration of draft-laws, by-laws and regulatory documents related to the transport sector
• Organisation of training, workshops, round tables, thematic discussions etc.

Web site: www.rubiconbg.com

The company RUBICON ENGINEERING Ltd, town of Varna, was established in 1999, with the purpose of Independent Supervision in the field of design and construction. The company’s manager is Eng. Sevdalin Valnarov. In April 2000, the company received a license SK-374.

The company staff has rich experience in engineering, construction, investment control, and construction supervision. In order to provide services corresponding to the high quality requirements, since its very incorporation the company has established quality criteria of the processes and work optimization.

A substantial part of the achieved financial profits is reinvested back to the company.
The company provides a complete product:

• Construction supervision
• Control of the observance of construction graphic
• Documentation preparation for interim payments (investor's control), etc.

Web site: www.ekip2000.com

The company SD Ekip 2000 – Kotov & Co was incorporated in July 1999, as a result of the need of reconstruction of the railways in Bulgaria and the increased necessity of experienced specialists in the field of engineer geodesy of roads. The company manager is Eng. Valeri Kotov. The staff consists of nine well-educated employees – four engineers in transport construction, two computer specialists, one economist, and two general practice assistants. The company has one office in the city of Sofia, equipped with modern computer equipment, geodesic equipment, and modern software.

The company provides the following services:

• Design for new, as well as repair of existing railways and railway stations
• benchmarking of railways, railway stations, and adjacent installations
• Road, road installations and urban communication design
• Rehabilitation of road sites
• Consolidating projects for weak lands and landslides in road and railway infrastructure
• Development of projects and construction of drainage installations
• Geodesic services in the field of high and low engineering
• Engineering geodesy
• Geodesic photos, Complete geodesic tasks
• Computer processing and CAD systems
• Digital models
• Specialized personnel and specialists training
• Supply of materials, related to railway construction
• Consulting
• Preparing of tender papers.

Web site: www.trapsbg.com

TRAPS - Toma Yotsov was incorporated on March, 1998. Its president is Toma Lyubenov Yotsov, who is a construction design with 30 years of experience in the field of engineering of railways, railway stations, locomotive depot, wagon’s disinfection plants, railway junctions, container terminals, traffic roads, etc.

The main subjects of TRAPS are design, consulting, and engineering in the field of railway construction. The company’s purpose is to impose active presence on the market by applying new technologies in the design, in conformity with the European quality criteria and terms of execution. Now that is already a fact due to the flexible company structure and high professional skills of the specialists working within. "TRAPS" is certified by ISO 9001:2000 for quality management.

In the process of its activity and development, the company successfully undertakes and realizes other assignments in the area of:

• Traffic roads design
• Engineering - geological surveys and research
• Constructive design
• Water and sewerage design
• Urban development solutions
• Geodesic activities and surveys
• Vertical Planning, etc.

STEPRO is a Bulgarian firm. Its main office is situated in Sofia. It was registered in 2007. Specialists with great experience in telecommunications, railway signalling and guarding systems take part in the firm. The company collaborates with various private firms and business organizations, which allows it to work on different projects.

Activities::

• Design of railway signalling, telecommunication and guarding systems;
• Preparing of expert reports and assessments for conformity of investment projects in the railway signalling and telecommunications;
• Consulting activities in signalling and telecommunications;
• Automation of the management of train traffic and technological processes of railway transport (ERTMS);
• Automation of production processes at large and small companies and firms;
• Development of information systems;
• Education, qualification and training of specialists in railway signalling and telecommunications.

Above mentioned directions have the following realisations:

• Design and introduction of relay and computer station interlocking systems;
• Design and introduction of complex automation of shunting yards;
• Design and introduction of systems for automatic regulation of train traffic (block systems, automatic train control systems, ETCS);
• Design of dispatching systems for management of railway traffic;
• Design of systems for supervisory, control and data acquisition in telecommunications and transport (SCADA);
• Design of systems for radio communications and audio announcement in railway and urban transport;
• Design of communication systems, construction of regional and department networks for information transfer;
• Design and construction of fibre optic cable networks.

The firm’s activity is in full conformity with Bulgarian and European laws, norms and standards, and with special regulations, instructions and ordinances in railways. STEPRO has potential to participate in consulting, designing, researching and executive teams for developing and implementing of national and international projects.

Web site: www.transgeo-bg.com

The company TRANSGEO Ltd was incorporated in 1992 to meet increased requirements for modern railways. The main subjects of the company are:

• Design and consultancy the field of railway infrastructure
• Services in the field of geodesy and cadastre
• Construction supervision and conformity assessment of the investment projects.

The company has introduced in Bulgaria new contemporary methods for benchmarking of railways and adjacent installations. Since the company's incorporation, its manager has been Eng. Ilia Iliev. The company is also holder of several licenses, evidence of professionalism, and the responsible work of the whole team.

At the moment, TRANSGEO Ltd is one of the biggest companies in the branch with more than 400 kilometres of design works and supervision of railways and adjacent installations with more than 3000 hectares of geodesic photos, specialized cadastre plans, digital models, regulation plans, vertical planning, lower construction, etc.

Web site: www.transsystem-bg.com

The company was incorporated on June 1999. The team members are highly qualified specialist with long-lasting joint activity and much experience in the railway design. TRANSSYSTEM Ltd has a modern computer, geodesic equipment, and software. The company is specialized in the preparation of investment projects in the field of transport infrastructure. The main subjects of the company are surveys and design of railways and road sites in all parts and phases, complete geodesic services, development of technological plans for railway sites and technical-economical analysis.

TRANSSYSTEM Ltd has a permit (license) for design, benchmarking of railways and railway stations, issued by the National Railway Infrastructure Company and a certificate of capacity for the creation of cadastre layouts and registers, issued by the Cadastre Agency. The company manager is Eng. Valentin Mihaylovsky.

Web site: www.vvdconsult.com

“VVD Consult” Ltd. was established in 2003. Partners and managers of the firm are Vladimir Dinkov, Venelin Lyubenov and Dimitrij Petkov. They are former design team leaders and checking engineers in “Structures” department of “Transproekt” Ltd. – Sofia, employees with many years of experience in the design of transport structures.

“VVD Consult” Ltd. is a specialized consulting firm operating in the field of transport structures: railway and road bridges, railway and road over and underpasses, pedestrian underpasses and footbridges, retaining walls, livestock underpasses and culverts. It is qualified in investigation, design, technical control and supervision of such structures. The firm has modern office facilities and equipment and works with licensed software. Its clients always receive reliable expert consulting and high quality design.

The firm offers the following services:

• Investigation and design of new road and rail structures
• Preparation of designs for rehabilitation and repairs of existing road and rail structures
• Preparation of designs for strengthening of poor and slide sites on the road and rail infrastructure
• Preparation of tender dossiers
• Consulting services