| 2012/03 | 2013/03 | 2014/03 | 2015/03 | 2016/03 | 2017/03 | 2018/03 | 2019/03 | 2020/03 | 2021/03 | 2022/03 | 2023/03 | 2024/03 | 2025/03 | |
| 売上高 | 592,797 | 614,512 | 630,464 | 617,606 | 653,016 | 631,002 | 660,899 | 667,128 | 661,244 | 656,743 | 612,658 | 642,953 | 672,451 | 699,369 |
| 売上原価 | - | - | - | 584,520 | 617,908 | 596,137 | 624,861 | 630,346 | 625,634 | 621,401 | 577,607 | 605,027 | 632,905 | 658,204 |
| 売上総利益 | - | - | - | 33,085 | 35,108 | 34,865 | 36,038 | 36,781 | 35,610 | 35,342 | 35,052 | 37,926 | 39,546 | 41,165 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業利益 | - | - | - | 3,670 | 3,983 | 3,779 | 4,246 | 4,042 | 4,430 | 5,023 | 5,887 | 7,507 | 7,660 | 8,505 |
| 営業費用 | - | - | - | 29,415 | 31,124 | 31,085 | 31,791 | 32,738 | 31,180 | 30,319 | 29,165 | 30,419 | 31,886 | 32,659 |
| 経常（税引前）利益 | 7,896 | 5,536 | 4,226 | 4,508 | 4,669 | 4,565 | 5,032 | 4,943 | 5,700 | 6,265 | 7,274 | 8,943 | 9,220 | 11,283 |
| 法人税等合計 | - | - | - | 1,458 | 1,485 | 1,612 | 1,911 | 1,563 | 1,800 | 1,879 | 2,153 | 2,450 | 2,688 | 3,069 |
| 純利益 | 3,974 | 3,773 | 3,219 | 2,583 | 3,004 | 3,373 | 4,032 | 3,309 | 4,088 | 4,042 | 4,317 | 4,844 | 6,600 | 8,206 |
| 一株あたり利益 | 333 | 322.61 | 253.69 | 201.08 | 233.91 | 265.11 | 317.73 | 260.86 | 313.42 | 317.94 | 340.09 | 381.69 | 520.09 | 646.67 |
| 一株あたり配当金 | 66 | 68 | 68 | 68 | 75 | 75 | 75 | 75 | 75 | 80 | 80 | 80 | 110 | 140 |