Catering Engineers, specialists in commercial gas pipework and Interlock Systems to comply with BS6173:2001 and all current regulations. A Gas Safe registered company. We specialise in gas pipe work upgrades and Gas Safety Interlock systems to meet BS6173:2001 to ensure compliance with current regulations. PHC Installation Services Ltd. also specialise in the installation of full commercial kitchens and one off specialist items including all M & E services.