Wojskowe Zakłady Lotnicze No. 1 S.A. is one of the leaders in the aviation industry in Europe. For eighty years, it has been providing the highest quality services for the Polish Air Force of the Polish Armed Forces and for other entities - both domestic and foreign. WZL1 specializes in major repairs, overhauls, maintenance and modernization of helicopters, maintenance and major repairs of aircraft engines, as well as maintenance and repairs of aircraft (military and civil). The offer also includes painting services (for large-sized, as well as medium-sized and small elements), metrology, galvanizing, production of composite structures and mechanical processing. The company has its own Non-Destructive Testing Laboratory, offering services in the field of optical diagnostics, magnetic-particle testing (MT), penetrant testing (PT) and eddy current testing (ET) and others.