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1974

 

 

 

 

 

 

 

 

 

Tepatnya pada 26 Juni PT. Wisma Sarana Teknik didirikan oleh Ir. TJAHJADI AQUASA yang saat ini bertindak sebagai CEO dari WISMA GROUP. Semenjak berdirinya WST konsisten bergerak dalam bidang mekanikal dan elektrikal. Lima tahun pertama, WST berkonsentrasi dalam bidang industri dan jaringan distribusi listrik dengan ruang lingkup pekerjaan yang terbatas seperti sistem instalasi listrik dan sistem pemipaan. Didalam periode yang sama WST memperluas segmen pasar ke berbagai wilayah yang ditandai dengan berdirinya beberapa cabang di seluruh Indonesia.

 

1980

 

 

 

 

 

Seiring dengan peningkatan kemampuan dalam enjiniring dan manajemen, WST menjadi perusahaan terkemuka dan menjadi ahli dalam bidangnya dengan pelaksanaan pekerjaan pembangunan seperti pembangkit listrik tenaga diesel, boiler, sistim instalasi air dan memasang mesin-mesin pabrik.

 

1985

 

 

 

 

 

 

 

Pada periode ini WST memperluas bidangnya ke sektor pembangunan gedung bertingkat dan gedung komersial, di samping secara terus menerus meningkatkan kompetensinya dalam bidang mekanikal, elektrikal dan sistim tata udara. Pengalaman pada pembangunan proyek-proyek gedung perkantoran, apartemen, hotel dan rumah sakit, baik milik pemerintah maupun swasta telah membuktikan kontribusi WST dalam pembangunan ekonomi nasional.

 

1990

 

 

 

Peningkatan kemampuan enjiniring dan kepercayaan dari pemerintah telah mendorong WST untuk memasuki bidang jaringan transmisi tegangan tinggi dan gardu induk.

 

1995

 

 

 

 

 

 

WST mulai melakukan kerjasama dengan perusahaan konstruksi yang memiliki reputasi internasional untuk ikut partisipasi dalam proyek pembangunaan pembangkit tenaga listrik yang didanai oleh International Board for Reconstruction and Development (IBRD), Asian Development Bank (ADB) dan Japan Bank for International Cooperation (JBIC).

 



1974

 

 

 

 

 

 

 

In the mid of 1974,  WST started its business, from very small private company, initiated by Mr. TJAHJADI AQUASA who presently leads Wisma Group as the chairman. Within the first five years, WST was highly concentrated in industrial sector abd power distribution line with limited scope of works such as electrical system and water piping system. In the same period, the company broadened its market coverage throughout country as it established four branches in Indonesia

 

1980

 

 

 

 

 

 

 

In the second five years, WST became an electrical and mechanical - engineering and construction company. Along with capability improvement in engineering and management, WST took new challanges that put it as a leading company in building and factory construction. Works, such as power generation, steam generation, water suplly system, chemical - oil storage and distribution, and setting procession machines, have been among its expertise.

 

1985

 

 

 

 

 

 

In the following decade, WST expanded its activity to high-rise and commercial buildings, while continuously enhancing the competence in mechanical, electrical and air conditioning system. Projects references in office buildings, appartements, shopping arcades and hospitals, for both goverment and private sector have proved WST contribution in national  economic growth.

 

1990

 

 

 

 

The Engineering improvement and the trust from the goverment have also stimulated WST to confidently enter more sophisticated engineering construction : High Volltage Transmission Lines and Power Substation throughout the country.

 

1995

 

 

 

 

 

In the last five years, cooperating with several international reputable construction companies, WST has participated in power plant construction projects, among which were financed by International Board for Reconstruction and Development (IBRD), Asian Development Bank (ABD) and Japan Bank for International Cooperation (JBIC).

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