- METCON is a Management, Engineering and Technology Consultancy, specializing in the provision of planning, managment and evaluation services for development programmes. From its headquarter in Kathmandu, Nepal, it services both national and international clients. ADDRESS PO Box 4412 Cha 2/6, Tangal, Kathmandu-2 Nepal Telephone: +977 (0)1 412902/414536 Facsimile: +977 (0)1 418478 Email: ...www.yomari.com/metcon