PT Armco National Supply Utama (ANSU) is established as joint venture company between Armco Inc. of Houston, U.S.A and Transavia Utama.
ANSU operated as a subsidiary of Armco Inc. and manufactured Wellhead
and Christmas tree with a working pressure of up to 10,000 psi.
PT Armco National Supply Utama is renamed to PT Sarana Adikarya Utama (SAU) as it became a 100% Indonesian-owned company.
SAU continued to manufacture wellhead and Christmas tree under license from National-Oilwell (a partnership company between Armco Inc. and USX) under the "National" brand.
Obtained license from Quality Oilfield Products to remanufacture, repair and recondition Blowout preventers.
Obtained license from Kvaerner National to manufacture Wellhead and Christmas Tree and sold using the "National" brand.
Manufactured Geothermal wellhead and trees under license from Ingram Cactus Corporation.
Under its own brand, SAU now manufactures Type "B" wellhead and Christmas tree with a working pressure of up to 10,000 psi.
Under its own brand, SAU now manufactures Straight Bowl wellhead with a working pressure of up to 15,000 psi.
Under its own brand, SAU now manufactures Geothermal wellhead.