Head Office・Kyoei Osaka
| Location | NITTO Umeda Bldg. 1F, 2-9-18 Shibata, Kita-Ku, Osaka, 530-0012 |
| Nearest station | JR Osaka Station, Hankyu Umeda Station |
Kyoei Tokyo
| Location | Murayama Bldg. 1F, 1-5 Kandasuda-Cho, Chiyoda-Ku, Tokyo, 101-0041 |
| Nearest station | JR Akihabara Station, Toei Shinjuku Line Ogawamachi Station |
Kyoei Sangyo Ohara Laboratory
| Location | 325 Nomaohara, Nose-Cho, Toyono-Gun, Osaka, 563-0131 Japan |
| Nearest station | Nose Electric Railway Myōkenguchi Station |
Ohara Observatory
| Location | 716 Nomaohara, Nose-Cho, Toyono-Gun, Osaka, 563-0131 Japan |
| Nearest station | Nose Electric Railway Myōkenguchi Station |
NATURE SHOP
Kyoei Tokyo (Akihabara, Tokyo)
Murayama Bldg. 1F, 1-5 Kandasuda-Cho, Chiyoda-Ku, Tokyo, 101-0041
TEL:03-3526-3366
FAX:03-3526-3090
Business hour：10:00～19:00
Closed: Every Sunday
Kyoei Osaka (Umeda, Osaka)
NITTO Umeda Bldg. 1F, 2-9-18 Shibata, Kita-Ku, Osaka, 530-0012
TEL:06-6375-9701
FAX:06-6375-9703
Business hour：10:00～19:00
Closed: Every Sunday
LABORATORY
Kyoei Sangyo Ohara Laboratory (Nose, Osaka)
325 Nomaohara, Nose-Cho, Toyono-Gun, Osaka, 563-0131 Japan
TEL：072-737-1704
FAX：072-737-1706
Business hour：8：30～17：30
Closed: Sunday, National Holiday, 2nd and 4th Saturday in every month