WorkVenture gives you an inside look at what it's like to work at The Commercial Company Of Siam Ltd., office & team photos, reviews and more. This is the The Commercial Company Of Siam Ltd. Company Page. All content is posted anonymously by employees currently or previously working at The Commercial Company Of Siam Ltd..Apply to Porar Web ApplicationApply to RethinkingApply to Testronic LabsApply to Mater Marketing