Successfully Installed 2 Nos. 15 Ton and 2 Nos. 25 Ton Double Girder Overhead cranes in Ras Al Khaimah for STS Clad LLC. Special Technical Services LLC (STS), headquartered in The Sultanate of Oman, is a leading multidisciplinary contracting group specializing in Construction, Fabrication and Maintenance services for the Energy and Industrial sectors. These cranes are powered by our partner Stahl Crane Systems.