SAPTCO office is near SANA round-about (Near to crazy signal & Ras abou Aboud), in front of Jabri resturant by 200M before place where KFC existed, there is a hotel and internet coffee in the SAME building.

http://wikimapia.org/#lang=en&lat=25.283055&lon=51.546779&z=18&m=b&show=...

Above is location of Jabri restaurant. He will guide you Insha Allah.