List of businesses

Banks

• Interplanetary Banking Guild

Beverages

• DR.NUKE Original Lager
• FATSHAKES

Clothing

• Ralph Von Vekta

Conglomerates

• Helghan Corporation

Consumer goods

• Gienni Jewellry

Defense contractors

• Blackjack Armories
• Brown Industries
• Corinthmetall
• ISA Laboratories
• ISA Vekta Shipbuilding Division
• ISA Weapon Systems
• Iven and Petrom
• Liberta Industries
• Stahl Arms
• Thoralf-Sigurd-Vig
• Visari Corporation

Entertainment

• Raydiant Pictures

Food

• Planet Yummy

Media

• Helghast Daily News
• N-Work One
• United Colonial Broadcast Network

Private military contractor

• Phantom Talon Corp

Retail

• Teunisz Workstation - Apparently a provider of office/school supplies.

Technology

• Huygens Data Solutions

Watchmaking

• Nixon Watches

Other

• MASSMEDS

Trivia

• DR.NUKE Original Lager is a reference to Dr. Evelyn Batton and her Red Dust nuclear weapon.
• Ralph Von Vekta is a reference to the real world clothing brand Ralph Lauren.