| Assets | — | — |
| Current assets | — | — |
| Cash and deposits | 104.16a | 53.01a |
| Notes receivable, accounts receivable from completed construction contracts and other | 256.49a | 251.74a |
| Securities | 92a | 147.91a |
| Costs on construction contracts in progress | 19.29a | 18.26a |
| Raw materials and supplies | 3.47a | 3.02a |
| Other | 31.54a | 11.25a |
| Allowance for doubtful accounts | -3.3a | -2.98a |
| Total current assets | 503.66a | 482.22a |
| Non-current assets | — | — |
| Property, plant and equipment | — | — |
| Buildings and structures | 105.35a | 102.54a |
| Machinery and vehicles | 45.05a | 44.05a |
| Tools, furniture and fixtures | 13.48a | 12.5a |
| Land | 62.95a | 59.45a |
| Construction in progress | 46.52a | 44.09a |
| Accumulated depreciation | -121.59a | -118.17a |
| Total property, plant and equipment | 151.75a | 144.45a |
| Intangible assets | 7.02a | 7.28a |
| Investments and other assets | — | — |
| Investment securities | 128.5a | 142.46a |
| Retirement benefit asset | 24.97a | 14.57a |
| Deferred tax assets | 1.63a | 0.96a |
| Other | 5.03a | 24.8a |
| Allowance for doubtful accounts | -0.86a | -0.85a |
| Total investments and other assets | 159.27a | 181.94a |
| Total non-current assets | 318.04a | 333.67a |
| Total assets | 821.69a | 815.89a |
| Liabilities and net assets | — | — |
| Current liabilities | — | — |
| Notes payable, accounts payable for construction contracts and other | 78.86a | 105.73a |
| Short-term borrowings | 14.94a | 15.02a |
| Income taxes payable | 18.11a | 14.4a |
| Advances received on construction contracts in progress | 37.32a | 25.95a |
| Provision for loss on construction contracts | 7.28a | 6.4a |
| Provision for warranties for completed construction | 0.55a | 0.7a |
| Provision for bonuses for directors (and other officers) | 0.26a | 0.21a |
| Other | 45.13a | 36.95a |
| Total current liabilities | 202.46a | 205.35a |
| Non-current liabilities | — | — |
| Deferred tax liabilities | 14.49a | 14.41a |
| Provision for retirement benefits for directors (and other officers) | 0.08a | 0.11a |
| Retirement benefit liability | 4.59a | 21.66a |
| Other | 0.33a | 0.31a |
| Total non-current liabilities | 19.5a | 36.48a |
| Total liabilities | 221.96a | 241.83a |
| Net assets | — | — |
| Shareholders’ equity | — | — |
| Share capital | 26.41a | 26.41a |
| Capital surplus | 29.21a | 29.16a |
| Retained earnings | 476.76a | 453.62a |
| Treasury shares | -3.46a | -2.93a |
| Total shareholders’ equity | 528.92a | 506.26a |
| Accumulated other comprehensive income | — | — |
| Valuation difference on available-for-sale securities | 51.35a | 57.14a |
| Foreign currency translation adjustment | 5.38a | 3.27a |
| Remeasurements of defined benefit plans | 13.39a | 6.62a |
| Total accumulated other comprehensive income | 70.13a | 67.03a |
| Non-controlling interests | 0.69a | 0.76a |
| Total net assets | 599.74a | 574.05a |
| Total liabilities and net assets | 821.69a | 815.89a |