发行公司：
- Kam & Ronson Enterprise Co Ltd. [香港] (2005) (Hong Kong) (theatrical)
- 寰亚电影发行公司 [香港] (2005) (worldwide) (all media) (world sales)
- Mediasoft Films [韩国] (2006) (South Korea) (all media)
- Mega Star Video Distribution [香港] (2005) (Hong Kong) (DVD)
- Shaw Organisation [新加坡] (2005) (Singapore) (theatrical)
- Hong Kong Legends [英国] (2006) (UK) (DVD)
- Taki Corporation [日本] (2006) (Japan) (DVD)
特技制作公司：
- Menfond Electronic Art & Computer Design Co. Ltd. [香港] (visual effects)
- Future Vision
- Sinus Company
其他公司：
- Dong-Seo Hitech Company set decoration (as Dong-Seo Hitech Co. Ltd.)
- Media Business Service Limited [香港] post-production
- Dream Music Records & Publishing recording studio
- Metal Jacket special costume design (as Metal Jacket Co. Ltd.)
- Hyundai Marine & Fire Insurance insurance: Korea
- 沙龙电影(香港)有限公司 [香港] camera and lighting equipment
- Kodak (Hong Kong) Ltd. [香港] negative supply
- Sebang Film Laboratory laboratory
- Cine Art Laboratory laboratory
- 中国星电影制作服务有限公司 [香港] telecine
- Mandarin Laboratory (International) Ltd. [香港] subtitles
- TUI Insurance Consultants insurance
- iFilm Co. unit production notes
- Black&White Company lighting truck
- Seoul Metropolitan Government special thanks
