Supplies and maintenance of modern equipment for the oil and gas industry. 1. Tracerouting complexes and pipeline flaw detectors, locators and metal detectors for accurate localization of underground utilities, detection of unauthorized tie-ins, technical diagnostics, geodetic works, binding to the GPS coordinate system 2. RF markers for marking and detecting underground utility networks 3. Tele-inspection systems for in-line diagnostics 4. Equipment for diagnostics of heat and water supply networks 5. A full range of electrical equipment for various purposes 6. Mobile electrotechnical laboratories for diagnostics and testing of cable lines