Thinking Points Hibiya Engineering (TSE: 1982) is an established engineering and construction company primarily serving Japan’s largest telecom company, the NTT Group (TSE: 9432), which accounted for 51.5% of revenues in 2018.Historically, the NTT Group concentration helped Hibiya Engineering profitably get through difficult times, but the company has been unable to meaningfully grow its non-NTT […]