a2 Milk Company Limited produces cow milk which is free of a protein called beta casein A1.

Australian Agricultural Company Limited is a beef company established in 1824.

AbbVie Inc. researches and develops pharmaceutical products. The Company produces pharmaceutical drugs for specialty therapeutic areas such as immunology, chronic kidney disease, hepatitis C, women's health, oncology, and neuroscience. AbbVie also offers treatments for diseases including multiple sclerosis, parkinson's, and alzheimer's disease.

Adbri Limited supplies construction materials.

Abacus Property Group is a diversified property investment group providing exposure to a portfolio of Commercial Office and Self Storage real estate.

Audinate Group Limited develops software.

APN Industria REIT operates as a real estate investment trust.

AGL Energy Limited sells and distributes gas and electricity.

Asaleo Care Limited is a personal care and hygiene company.

Auckland International Airport Limited owns and operates the Auckland International Airport.

Ardent Leisure Group Limited operates as an amusement park.

Aristocrat Leisure Limited manufactures and sells gaming machines in Australia and internationally.

ALS Limited is a commercial services company with national and international operations.

Altium Limited develops electronic design automation (EDA) software for the Microsoft Windows operating system.

Atlas Arteria Limted operates as an infrastructure developer and operator.

AMA Group Limited acquires, develops, and operates business in the automotive aftercare market.

Amcor PLC operates as a packaging company.

Advanced Micro Devices, Inc. (AMD) produces semiconductor products and devices.

Aurelia Metals Ltd. is a mineral exploration and development company.

AMP Limited provides life insurance, superannuation, asset management products, pensions, retirement planning and other diversified financial services throughout Australia and New Zealand.

Ansell Limited provides health and safety protection solutions.

Australia and New Zealand Banking Group Limited is an international bank with activities in general banking, mortgage and installment lending, life insurance, leasing, hire purchase and general finance.

APA Group is a natural gas infrastructure company.

AP Eagers Limited sells new and used motor vehicles and distributes related parts and accessories.

Australian Pharmaceutical Industries Limited is a pharmaceutical support company which provides wholesale distribution of pharmaceutical and related products to pharmacies, hospitals and doctors.

Afterpay Limited provides payment services.

Appen Ltd. is a language, search, and social technology company The Company provides solutions to improve internalization of products, management of data, and project management for companies.

Alacer Gold Corporation explores for gold.

ARB Corporation Ltd. distributes and sells motor vehicles accessories and light metal engineering works for four wheel drive vehicles.

Arena REIT operates as a real estate investment trust.

Austal Limited operates as an emerging defense prime contractor.

AusNet Services is an energy delivery service provider.

ASX Ltd. is a demutualized company which operates Australia's primary national stock exchange and equity derivatives market The ASX operates markets for equities, derivatives, fixed-interest securities and capital-raising for unlisted companies using advanced computer systems for both trading and settlement.

AUB Group Limited provides financial services.

Avita Therapeutics, Inc. is a regenerative medicine company.

Aventus Group operates as a real estate company.

Alumina Limited is an Australian resource company that produces alumina.

Accent Group Limited distributes and markets footwear and apparel.

American Express Company is a global payment and travel company. The Company's principal products and services are charge and credit payment card products and travel-related services offered to consumers and businesses around the world.

Amaysim Australia Limited operates as a mobile service provider.

Aurizon Holdings Ltd. is a rail freight company The Company provides coal, bulk and general freight haulage services, operating on the central queensland coal network (CQCN) and including specialized track maintenance and workshop support functions.