| Revenue | 2018-09-30 | 2017-10-01 | 2016-10-02 | 2015-09-27 |
| Total Revenue | 24,719,500 | 22,386,800 | 21,315,900 | 19,162,700 |
| Cost of Revenue | 17,367,700 | 15,527,600 | 14,573,300 | 13,198,600 |
| Gross Profit | 7,351,800 | 6,859,200 | 6,742,600 | 5,964,100 |
| Operating Expenses |
| Research Development | - | - | - | - |
| Selling General and Administrative | 1,755,400 | 1,450,700 | 1,408,900 | 1,196,700 |
| Non Recurring | - | - | - | - |
| Others | 539,300 | 500,300 | 499,200 | 522,400 |
| Total Operating Expenses | 20,909,400 | 18,490,000 | 17,462,200 | 15,811,600 |
| Operating Income or Loss | 3,810,100 | 3,896,800 | 3,853,700 | 3,351,100 |
| Income from Continuing Operations |
| Total Other Income/Expenses Net | 1,969,900 | 420,700 | 344,900 | 551,900 |
| Earnings Before Interest and Taxes | 3,810,100 | 3,896,800 | 3,853,700 | 3,351,100 |
| Interest Expense | -170,300 | -92,500 | -81,300 | -70,500 |
| Income Before Tax | 5,780,000 | 4,317,500 | 4,198,600 | 3,903,000 |
| Income Tax Expense | 1,262,000 | 1,432,600 | 1,379,700 | 1,143,700 |
| Minority Interest | 6,300 | 6,900 | 6,700 | 1,800 |
| Net Income From Continuing Ops | 4,518,000 | 2,884,900 | 2,818,900 | 2,759,300 |
| Non-recurring Events |
| Discontinued Operations | - | - | - | - |
| Extraordinary Items | - | - | - | - |
| Effect Of Accounting Changes | - | - | - | - |
| Other Items | - | - | - | - |
| Net Income |
| Net Income | 4,518,300 | 2,884,700 | 2,817,700 | 2,757,400 |
| Preferred Stock And Other Adjustments | - | - | - | - |
| Net Income Applicable To Common Shares | 4,518,300 | 2,884,700 | 2,817,700 | 2,757,400 |