Australian companies established in 1984

Home Entertainment Suppliers Pty. Ltd. (or HES) is an Australian company that distributes computer games and gaming equipment. HES' offices are based in Riverwood, Sydney. HES's founder and managing director is Sebastian Giompaolo.

Mambo Graphics (also, 100% Mambo; and marketed as Mambo) is an Australian company designer of clothing. The company produces and commercialises surfing wetsuits, and casual wear clothing. Mambo was launched in 1984 by musician Dare Jennings and business partner, Andrew Rich in the Sydney suburb of Alexandria. On 6 January 2015, Mambo was acquired by American company Saban Brands. In July 2019 Mambo was brought back to Australian ownership when it was acquired by Caprice Australia.

Beyond International Limited is an international television and film production company with operations in Ireland, the United Kingdom, Australia and the United States. The company is involved in the creation and international distribution of television, feature films and ancillary products. The company has an extensive television program catalogue of over 5,000 hours and covers all genres including drama, feature films, comedy, children's, reality, and documentary programs.

Aviair Pty Ltd, previously known as Slingair Heliwork, is an airline and air charter company based in Kununurra, Western Australia. It is a wholly owned subsidiary of HM Consolidated Pty Ltd. It operates air charter services and regular passenger services. Its main bases are Kununurra Airport, Broome International Airport and Karratha Airport.

Pel-Air Aviation Pty Ltd (trading as Pel-Air) is an airline based in Mascot, Sydney, Australia. It is a wholly owned subsidiary of Toll Group.

Imagination Games is a multi-platform game company that creates, produces and distributes interactive entertainment.

The Matilda Bay Brewing Company is a brewery founded in Western Australia, the first new brewery opened in Australia since World War II, and Australia's first craft brewery. Originating from small batches brewed for the Sail and Anchor Hotel in 1984, their main brewery opened in 1989 in a prominent building at Stirling Highway previously occupied by Ford Motor Company. The company was purchased by Carlton & United Breweries in the early 1990s (now part of Asahi Breweries).

Pizza Haven was an Australian and New Zealand pizza restaurant chain and franchise operation.

Construction and Building Unions Superannuation (Cbus) is an Australian industry super fund.

Hinterland Aviation is a regional airline based at Cairns Airport in Queensland, Australia. The airline operates scheduled flights from Cairns Airport, Horn Island Airport and Townsville Airport.