Vendor Wanted: Addressable Gas Leak Detection System for Pipeline

Hello!

I am looking for the vendors who can supply the addressable leak detection system which can be integrated to the SCADA system.

I am having a project to run a 12" gas pipe from refinery to an airport , distance appx. 40 km.

I want any one who worked with such system may please spare his time to suggest the Vendor name.

Best regards,

VE