WorkVenture gives you an inside look at what it's like to work at P.s.k. Summa Co., Ltd., office & team photos, reviews and more. This is the P.s.k. Summa Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at P.s.k. Summa Co., Ltd..Apply to FrieslandApply to HumanTechApply to d art productApply to WorkVenture Technologies