WorkVenture gives you an inside look at what it's like to work at The Key Magazines Agency Co., Ltd., office & team photos, reviews and more. This is the The Key Magazines Agency Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at The Key Magazines Agency Co., Ltd..Apply to Wellgrow GlassApply to Bangkok PrepApply to TT NetworkApply to Infotronics