Pemasaran (Marketing), Promosi penjualan (Sales promotion), Manajemen bisnis (Bussines management), Periklanan (Advertising), Analisis harga pokok barang (Analysis (Cost price-)), Jasa perbandingan harga (Comparison services (Price -)), Penyusunan daftar harga untuk jasa telekomunikasi (Subscription (Arranging -) to telecommunication services), Penyelenggaraan pameran untuk tujuan perniagaan (Exhibitions (Organization of-) for commercial purposes), Agen publisitas (Publicity agencies), Manajemen usaha (Business management), Penelitian perniagaan (Business research), Peragaan barang (Demonstration of goods), Agen informasi komersial (Commercial information agencies)