Dependent Variable Variable Operational Research

55 6. PT. Indomobil Sukses Internasional Tbk. IMAS PT Indomobil Sukses International is an integrated business group applying the concept of one-stop service which has several subsidiaries engaged in the automotive field in Indonesia. The Company was founded in 1976 under the name PT. Indomobil Investment Corporation and in 1997 was the merger with PT. Indomulti Inti IndustriTbk. Since then the company changed to the status of a public company under the name of PT. Indomobil Sukses Internasional Tbk, with its headquarters in Wisma Indomobil East Jakarta. The main business areas of the company and its subsidiaries include: brand licensees, distributors vehicle sales, after-sales service, motor vehicle assembly, automotive component manufacturers, and distributors of spare parts. In addition, to assist consumers in meeting the needs of the vehicle, the Company and its subsidiaries also offer auto financing services, distribution of lubricating oils and other supporting business group. 7. PT. Indospring Tbk. INDS PT Indospring Tbk is a manufacturing company in Indonesia which was established in 1958. This produces spare parts for vehicles motor, including leaf springs and coil springs. It has three business segments are leaf springs, coil springs and a flat bar. The Companys subsidiary, PT Indobaja Prima murni, engaged in manufacturing rolling mill, producing a flat metal sheet, steel reinforced concrete, steel elbows and other related products. 56 8. PT.Multi Prima Sejahtera Tbk. LPIN PT. Enterprises Lippo Tbk. established on January 7 th , 1982. In June 27 th , 2001 a change in corporate name is PT. Multi Prima Sejahtera Tbk. Line of Business includes manufacturing spark plugs and automobile parts, trade goods of own production or a related company, investments in companies or other legal entities. The Company started commercial operations in 1987 with the main production automobile spark plugs and lights. 9. PT.Multisrada Arah Sarana Tbk. MASA PT Multistrada Arah SaranaTbk MASA is a manufacturer of vehicle tires four wheel brand Achilles, Corsa and Strada. MASA is fully committed to provide the best service and products of high quality for the customers, by not using substandard raw materials, not to produce and deliver a product that does not meet quality standards. 10. PT. Nipress Tbk. NIPS Nipress founded in November 1970. Nipress manufactures the widest range of products car batteries, motorcycle batteries, golf cart batteries, and motive power batteries. And to this day is the only public company for lead acid battery manufacturer in Indonesia since 1991 on a stock trading at the Jakarta Stock Exchange.