| Branch | Address | Contact |
| USA HQ Sites | | |
| US (Bay City, MI) | 1317 Straits Dr, Bay City, MI 48706 | +1 989-321-9000 |
| US (Auburn, MI) | 5300 Eleven Mile Rd, Auburn, MI 48611 | +1 989-321-9000 |
| Global Sites | | |
| China | 401, Luneng International Center D, No. 209 Guoyao Road, Pudong New District, Shanghai, 200126 PRC, China | +86-21-61066993 |
| South Korea (Seoul) | Tower 1-21F, Gran Seoul Building, 33, Jong-ro, Jongno-gu, Seoul, 03159, Korea- | +82-2-6719-5376 |
| South Korea (Gumi) | 132-11 3gongdan 3-ro, Simi-dong, Gumi-si, Gyeongsangbuk-do, South Korea | +82-2-6719-5376 |
| Japan | 2-4-3 Nisikipa-ku Bld. 701, Nishiki, Naka-ku Nagoya-shi, Aichi, 460-0003, Japan | +81-52-253-7885 |
| Taiwan | 5F-8, No. 118, Ciyun Road, East Dist., Hsinchu City 300, Taiwan R.O.C | +886-3-6577238 |
| Europe | 6 Rue du Docteur Finlay, 75015 Paris, France | +33-1-49-66-8030 |
