Home - Portable Machining Services Ltd Portable Machining Services,Portable machining,portable line boring, Portable boring, in-situ machining, on-site machining, inline boring in essex, engineers in East Anglia, caterpillar repairs in essex, Komatsu repairs, Langham in essex, Machining in Essex, Plant Repair Essex, Agricultural repairs Essex, Marine repairs, Component Manufacture, Fabrication, Turning in Essex, Milling in Essex, Boring in Essex, Plant repair East Anglia Portable Machining Services has been established since 1989 to cater for the needs of the heavy plant engineering industry. The company devised its own on-site machining facility to offer an unparalleled service in the welding and machining of worn holes