Since 1988, POIS has gained considerable experience in its marketing effort and have been entrusted to perform some major projects and tenders award by clients in both the private and public sectors. Our customers in the public  and commercial sectors in Malaysia includes among others:-

• Kementerian Pendidikan Malaysia
• Kementerian Pendidikan Tinggi Malaysia
  
• Kementerian Perumahan dan Kerajaan Tempatan
  
• Kementerian Penerangan, Komunikasi dan Kebudayaan
• Kementerian Sains, Teknologi dan Inovasi
  
• Jabatan Perkhidmatan Awam
  
• Jabatan Pengairan & Saliran
• Jabatan Kerja Raya Malaysia
• Jabatan Perhutanan Semenanjung Malaysia
• Majlis Amanah Rakyat - HQ
• GIAT Mara
• Maktab Rendah Sains Mara
• Majlis Amanah Rakyat-HQ
• Institut Kemahiran Mara
• Akedemi Seni Budaya dan Warisan Kebangsaan 
• Jabatan Pelajaran Negeri Pahang
• Jabatan Pertanian
• MARDI
• Tradewinds Plantation Services Sdn Bhd.
• Central Sugars Refinery
• Bank Muamalat
• DRB Group of Companies
• TH Plantations Bhd
• Tradewinds Corporation
  
• Hotel Istana Kuala Lumpur
• Bank Islam 
• Valuecap
  
• Pelangi Beach Resort Langkawi
• iVcap
• PRISM
• Mutiara Crowne KL
• Mutiara JB