Companies by Prefecture
- Hokkaido 374 companies
- Aomori 65 companies
- Iwate 78 companies
- Miyagi 141 companies
- Akita 61 companies
- Yamagata 72 companies
- Fukushima 117 companies
- Ibaraki 124 companies
- Tochigi 121 companies
- Gunma 116 companies
- Saitama 341 companies
- Chiba 290 companies
- Tokyo 5684 companies
- Kanagawa 596 companies
- Niigata 140 companies
- Toyama 118 companies
- Ishikawa 112 companies
- Fukui 59 companies
- Yamanashi 40 companies
- Nagano 156 companies
- Gifu 125 companies
- Shizuoka 276 companies
- Aichi 704 companies
- Mie 129 companies
- Shiga 97 companies
- Kyoto 196 companies
- Osaka 919 companies
- Hyogo 324 companies
- Nara 21 companies
- Wakayama 30 companies
- Tottori 37 companies
- Shimane 38 companies
- Okayama 118 companies
- Hiroshima 187 companies
- Yamaguchi 88 companies
- Tokushima 38 companies
- Kagawa 106 companies
- Ehime 97 companies
- Kochi 39 companies
- Fukuoka 419 companies
- Saga 50 companies
- Nagasaki 64 companies
- Kumamoto 87 companies
- Oita 69 companies
- Miyazaki 59 companies
- Kagoshima 84 companies
- Okinawa 130 companies