D. I. System Co., Ltd.
Status: Publicly traded
Last reviewed: October 2026
Direct answer
D. I. System Co., Ltd. is publicly traded on JPX under the ticker 4421.T.
D. I. System Co., Ltd., established in 1997 and headquartered in Tokyo, Japan, operates internationally, specializing in a broad spectrum of system integration, education, and security solutions. The company's comprehensive IT offerings encompass bespoke system development, network and platform architecture, and specialized Microsoft services. They engineer tailored business applications designed for critical...
Can you invest in D. I. System Co., Ltd.?
Yes. D. I. System Co., Ltd. trades publicly on JPX as 4421.T.
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