Hardcore Security - Colaboratori

• Atelierul de productie
• B52
• Berlin Club
• Club Fabrica
• Metal Tattoo
• Shrooms Events
• 021 Happenings
• Club Suburbia
• Tralala Club
• Wings
• Basswise Crew
• Facem Records
• Metalhead
• So fresh
• Ouroborus Studio
• Musicnights
• Yazee