| # | Company | Employees |
|---|---|---|
| 1 |
ANZanz.com.au
A banking institution with over 180 years of history, striving to create a sustainable economy for all to thrive and build better lives |
50,843 |
| 2 |
Queensland Healthhealth.qld.gov.au
Largest state healthcare provider offering hospital, emergency, community, mental health, aged care, and public health promotion services across Queensland. |
48,440 |
| 3 |
Commonwealth Bankcommbank.com.au
Leading provider of financial services in Australia, offering banking, funds management, insurance, investment, and sharebroking products to help individuals manage their finances |
47,706 |
| 4 |
NABnab.com.au
The company is dedicated to serving customers and supporting communities through their banking services, emphasizing on what matters most |
40,896 |
| 5 |
Telstratelstra.com.au
Providing technology and content solutions for a connected future, with a focus on customer experience and Australia's largest mobile network |
35,493 |
| 6 |
NSW Healthhealth.nsw.gov.au
Providing comprehensive healthcare services across numerous hospitals with a large workforce dedicated to improving community health and patient care. |
23,725 |
| 7 |
Macquarie Groupmacquarie.com
Global financial services organization empowering people to innovate and invest for a better future in 34 markets Visit wwwmacquariecom for more information |
20,757 |
| 8 |
Transport for NSWtransport.nsw.gov.au
A New South Wales government organization leading transport agencies in developing safe, integrated, and efficient road, rail, and maritime networks |
18,457 |
| 9 |
Qantasqantas.com
Global airline dedicated to acknowledging and respecting Indigenous custodians, fostering creativity, diversity, and innovation among its workforce, and prioritizing people in travel |
18,052 |
| 10 |
Australia Postauspost.com.au
Connecting businesses with consumers through postal, retail, financial, communications, and etailing services focused on continuous improvement. |
16,807 |
| 11 |
Westpacwestpac.com.au
A major banking institution in Australia and New Zealand, offering a wide range of financial services globally with a focus on customer prosperity |
16,224 |
| 12 |
Westpac Groupwestpac.com.au
Leading financial institution offering banking, wealth management, and customer-focused services across Australia, Asia, UK, and the US. |
14,973 |
| 13 |
QBE Insuranceqbe.com
An international insurer offering commercial, personal, and specialty products in 27 countries to help manage risks and embrace change |
14,280 |
| 14 |
Suncorp Groupsuncorpgroup.com.au
Offering insurance, banking, and wealth products in Australia and New Zealand, focused on building sustainable futures, and providing career opportunities and flexibility to employees |
13,529 |
| 15 |
IAGiag.com.au
Leading general insurance company in Australia and New Zealand, providing coverage under various brands, supporting communities in preventing and recovering from risks since 1851 |
12,798 |
| 16 |
Ramsay Health Careramsayhealth.com
Provider of private hospitals, clinics, mental health, diagnostics, and community care services across multiple countries with extensive healthcare staff. |
11,896 |
| 17 |
Toll Grouptollgroup.com
Global supply chain and transport services solving logistics challenges for businesses through a network of five hundred sites across twenty-nine distinct markets. |
11,663 |
| 18 | 11,095 | |
| 19 |
Optusoptus.com.au
A leading Australian telecom company offering mobile, internet, entertainment, and business services to over 10 million customers with advanced technology and network coverage |
11,040 |
| 20 |
Monash Healthmonashhealth.org
A publicly-funded health service in Melbourne's Victoria, Australia, striving for excellence in healthcare, supporting staff, and the community with diverse career opportunities |
10,274 |
| 21 |
SA Healthsahealth.sa.gov.au
SA Health is dedicated to improving the health of South Australians through public health services, research, policy development, and quality care with a focus on wellbeing and early intervention |
9,193 |
| 22 |
Bendigo Bankbendigobank.com.au
Community-focused bank providing trusted financial services and support to millions of Australians, emphasizing customer-centric banking solutions. |
8,768 |
| 23 |
Department of Health (WA Health)health.wa.gov.au
Provision of public hospitals, mental health, dental, Aboriginal health, and disaster preparedness services across Western Australia for all communities. |
6,881 |
| 24 |
Santos Ltdsantos.com
Global energy company providing reliable, affordable energy; transitioning to lower carbon fuels, including oil, gas, and carbon capture solutions for homes and industries. |
6,628 |
| 25 |
Department of Transport and Main Roadstmr.qld.gov.au
Planning, developing, maintaining Queensland's transport infrastructure and services, ensuring safety, customer service, and sustainable economic growth. |
6,587 |
| 26 |
Sydney Trainstransport.nsw.gov.au
A leading transport organization in Sydney operates reliable trains, focusing on customer service, career progression, and maintaining a safe, efficient network |
6,549 |
| 27 |
Origin Energyoriginenergy.com.au
Leading Australian energy company providing electricity, natural gas, solar, and LPG while focusing on affordability, sustainability, and carbon emissions reduction. |
6,250 |
| 28 |
AMP Limitedamp.com.au
A retail wealth management and banking business providing financial advice, superannuation, and banking services to help customers achieve their financial goals |
6,100 |
| 29 |
Woodside Energywoodside.com
Operate diversified oil and gas assets globally with focus on safety, efficiency, environmental performance, and growth in gas, oil, and new energy sectors. |
5,933 |
| 30 |
Virgin Australiavirginaustralia.com
Airline focused on improving flight experiences through new team members, fare restructuring, innovative in-flight services, and sustainability goals. |
5,932 |
| 31 |
The Royal Melbourne Hospitalthermh.org.au
A leading healthcare provider in Melbourne, dedicated to advancing healthcare through research, innovation, and a compassionate workforce, serving the community |
5,837 |
| 32 |
Alfred Healthalfredhealth.org.au
Leading metropolitan health service providing specialist medical, surgical, trauma, intensive care, research, education, and training across multiple hospital locations. |
5,721 |
| 33 |
Western Healthwesternhealth.org.au
A provider of in-hospital and community-based health services in Melbourne's west, working with over 11,000 staff and 700 volunteers |
5,626 |
| 34 |
Eastern Healtheasternhealth.org.au
A provider of diverse healthcare services including emergency, surgical, mental health, and community care, with a focus on respect and continuous improvement |
5,548 |
| 35 |
AGLagl.com.au
A leading energy company in Australia, dedicated to transforming how energy is produced, shared, and consumed through sustainability and innovation |
5,492 |
| 36 |
nbn庐 Australianbn.com.au
Operates national broadband network enabling providers to deliver fast, reliable, secure internet services across Australia with community engagement. |
5,287 |
| 37 |
TPG Telecomtpgtelecom.com.au
A leading telecommunications company in Australia offering mobile, internet, business, and fixed network solutions to consumers, businesses, and wholesale customers |
5,275 |
| 38 |
UnitingCare Queenslandunitingcareqld.com.au
A prominent health and community services provider in Australia, tackling pressing social issues and reaching people nationwide with courage and creativity |
5,208 |
| 39 |
Ampolampol.com.au
Leading Australian company managing extensive fuel refining, importing, marketing, and retail network serving millions across multiple sectors. |
4,907 |
| 40 |
St John of God Health Caresjog.org.au
A leading provider of high-quality health care and community services in Australia and New Zealand, focusing on healing, hope, and dignity for all |
4,826 |
| 41 |
Austin Healthaustin.org.au
A healthcare organization focused on improving patients' lives through specialized medical services, wellness initiatives, and career development opportunities for employees |
4,802 |
| 42 |
Queensland Railqueenslandrail.com.au
provides safe, reliable, and customer-focused rail transport services across Queensland, supporting communities and integrating with public transport systems |
4,750 |
| 43 |
Water Corporationwatercorporation.com.au
Provides water, wastewater, drainage services, and bulk water for irrigation to homes, businesses, and farms in Western Australia, managing substantial infrastructure. |
4,546 |
| 44 |
Department of Health, Tasmaniahealth.tas.gov.au
The company improves, promotes, protects, and maintains health and wellbeing in Tasmania through high-quality health services and corporate support |
4,488 |
| 45 |
Qld Healthgov.au
Provides support to parents facing challenges with their child's development and behavior through the Early Intervention Parenting service |
4,294 |
| 46 |
Insignia Financialinsigniafinancial.com.au
A leading wealth manager in Australia, founded in 1846 to protect families, now offering a range of tailored financial solutions |
4,262 |
| 47 |
Healthscopehealthscope.com.au
A leading private healthcare provider in Australia with 41 hospitals, focusing on quality care and positive clinical outcomes for patients |
4,229 |
| 48 |
Department of Transport and Planningvic.gov.au
The integrated Department of Transport plans and operates transport based on the needs of people and products, focusing on destinations over specific modes |
4,181 |
| 49 |
Northern Healthnh.org.au
A key provider of public health care in Melbourne's northern region, offering medical, surgical, mental health, and rehabilitation services through four campuses |
4,155 |
| 50 |
Aurizonaurizon.com.au
Australia's largest rail-based freight operator providing integrated freight and logistics solutions, specializing in transporting commodities and supporting communities nationwide |
4,024 |
| 51 |
Jetstar Airwaysjetstar.com
An extensive airline group in the Asia Pacific region offering low fares to fly to over 85 destinations with over 5,000 weekly flights |
4,003 |
| 52 |
BOQ Groupboq.com.au
A group of challenger brands that provide genuine banking alternatives, focused on building trust with customers, exploring staff potential, and creating social impact in communities |
3,973 |
| 53 |
Sydney Watersydneywater.com.au
Provide drinking, recycled, wastewater, and stormwater services to over four million people across Sydney and surrounding regions. |
3,928 |
| 54 |
St Vincent's Health Australiasvha.org.au
Leading not-for-profit healthcare provider operating hospitals, aged care facilities, and research institutes focused on compassionate patient care and medical innovation. |
3,904 |
| 55 |
Victoria Policepolice.vic.gov.au
Provides 24/7 policing services across Victoria, supported by diverse professionals, ensuring community safety and effective emergency management. |
3,734 |
| 56 |
Matermater.org.au
A longstanding organization dedicated to improving community health by combining expertise in healthcare, education, and research, with a focus on empowering individuals for better well-being |
3,732 |
| 57 |
NSW Police Forcepolice.nsw.gov.au
A leading police force in New South Wales, Australia, serving a population of seven million across land, sea, and air with community-based policing services |
3,694 |
| 58 |
Metro Trains Melbournemetrotrains.com.au
Operator of Melbourne's suburban railway network, running frequent, high-capacity train services across 16 lines to support city growth. |
3,651 |
| 59 |
Barwon Healthbarwonhealth.org.au
Leading provider of advanced healthcare services in Victoria, focusing on state-of-the-art treatment and personalized care for the community |
3,588 |
| 60 |
Roads and Maritime Servicesgov.au
A multi-modal transport agency under Transport for NSW, focusing on improving transportation for people and goods through various initiatives and infrastructure improvements |
3,552 |
| 61 |
Healius Limitedhealius.com.au
Provides affordable, accessible specialty diagnostic and pathology services across Australia through extensive laboratories and patient collection centers. |
3,531 |
| 62 |
Epworthepworth.org.au
A leading not-for-profit private hospital group in Victoria, offering diagnosis, treatment, and rehabilitation services with a focus on exceptional patient care |
3,522 |
| 63 |
Calvary Health Carecalvarycare.org.au
A charitable Catholic health care organization founded in 1885, providing compassionate and quality services to the most vulnerable populations across Australia |
3,336 |
| 64 |
St.George Bankstgeorge.com.au
Provides retail and business banking services to over 2.6 million customers with extensive branch network and specialist financial advice. |
3,327 |
| 65 |
Cleanaway Waste Managementcleanaway.com.au
Australia's largest public waste management company, operating in over 250 locations Provides waste collection, recycling, resource recovery, industrial services, and workshop waste solutions |
3,313 |
| 66 |
Hunter New England Local Health Districtjobs.health.nsw.gov.au
Provides public health services across twenty-seven hospitals, eleven multipurpose centres, and forty-three community health clinics, delivering care to over 920,000 people. |
3,283 |
| 67 |
City of Gold Coastgoldcoast.qld.gov.au
A vibrant city in Australia, Gold Coast is known for its diverse population, beautiful natural environment, tourism attractions, and rich history |
3,244 |
| 68 |
The Royal Children's Hospitalrch.org.au
A leading specialist paediatric hospital providing outstanding care, clinical services, trauma center, research, and training programs for children and families |
3,244 |
| 69 |
Bolton Clarkeboltonclarke.com.au
A leading not-for-profit aged care provider in Australia, Bolton Clarke supports over 130,000 individuals with services including home care, retirement living, and residential aged care |
3,239 |
| 70 |
Allianz Australiaallianz.com.au
Provider of personal, commercial, and corporate insurance products including general, workers' compensation, and life insurance in Australia and New Zealand. |
3,179 |
| 71 |
Western Powerwesternpower.com.au
Safe, reliable electricity transmission and distribution across south Western Australia, maintaining extensive network serving over one million customers. |
3,177 |
| 72 |
GenesisCaregenesiscare.com
Provider of integrated cancer care globally, focusing on personalized treatment experiences and access to radiotherapy, diagnostics, oncology, surgery, and clinical trials |
3,134 |
| 73 |
Northern Sydney Local Health Districtnslhd.health.nsw.gov.au
Providing acute hospital services and community health care to improve health outcomes for 800,000 residents in northern Sydney. |
3,041 |
| 74 |
St Vincent's Hospital Melbournesvhm.org.au
Leading teaching and research health service providing care across Melbourne with a focus on excellence, compassion, integrity, and justice |
3,007 |
| 75 |
Bankwestbankwest.com.au
Dedicated team at Bankwest focuses on customers' needs Contact via phone or social media for banking services and support |
2,949 |
| 76 |
Opal Healthcareopalhealthcare.com.au
Providing residential aged care services including respite, dementia, palliative, and rehabilitation with 24/7 nursing and home-style hospitality. |
2,922 |
| 77 |
Ambulance Victoriaambulance.vic.gov.au
Providing emergency medical transport, pre-hospital care, and air ambulance services to help maintain life and reduce injuries in Victoria |
2,897 |
| 78 |
NSW Ambulanceambulance.nsw.gov.au
Provider of high quality out-of-hospital clinical care to over 725 million people in NSW through emergency responses and community safety programs |
2,840 |
| 79 |
APA Groupapa.com.au
Ownership and management of a diverse $26 billion energy infrastructure portfolio delivering energy solutions across all Australian states and territories. |
2,804 |
| 80 |
Peninsula Healthpeninsulahealth.org.au
A public health service in Frankston and the Mornington Peninsula offering world-class healthcare through hospitals and community services for all ages and specialties |
2,756 |
| 81 |
Estia Healthestiahealth.com.au
Provider of compassionate residential aged care with 70+ homes across Australia, delivering exceptional care and enriching experiences for residents. |
2,737 |
| 82 |
South Western Sydney Local Health Districtswslhd.health.nsw.gov.au
A large health district in south western Sydney providing patient-focused healthcare services to a diverse population through hospitals and community health centers |
2,652 |
| 83 |
Energy Queenslandenergyq.com.au
Energy Queensland powers communities across Queensland by effectively managing the state's electricity network, minimizing costs, and supporting regional growth and development |
2,632 |
| 84 |
Regis Aged Careregis.com.au
A company provides services to older Australians through residential aged care, home care, therapy centers, and retirement villages, with a focus on enhancing wellness and safety |
2,565 |
| 85 |
Spotless Groupdownergroup.com
Provider of various services, now under Downer Group ownership No longer active on social media |
2,551 |
| 86 |
Bank of Queenslandboq.com.au
A regional bank in Australia focused on building genuine relationships with customers through in-person interactions and online engagement with the community |
2,509 |
| 87 |
Metro North Healthmetronorth.health.qld.gov.au
Public sector health service providing a full range of healthcare services in Queensland, with a focus on best practice, quality improvement, and staff well-being |
2,498 |
| 88 |
Airservices Australiaairservicesaustralia.com
Air traffic control, aviation rescue, firefighting, telecommunications, and navigation services managing significant Australian airspace and supporting aviation safety. |
2,488 |
| 89 |
Metro South Healthmetrosouth.health.qld.gov.au
Major public healthcare provider for Brisbane's south side, Logan, Redlands, Scenic Rim, operating hospitals, community, specialty, and statewide services, renowned for teaching and research. |
2,475 |
| 90 |
Ausgridausgrid.com.au
Australia's largest electricity distributor supplying products and services to 17 million customers, focusing on affordability, reliability, sustainability, and stakeholder engagement |
2,469 |
| 91 |
Veolia | Australia & New Zealandanz.veolia.com
Provider of water and wastewater services, industrial cleaning, waste management, resource recovery, and energy solutions for heavy industry, businesses, and government sectors. |
2,451 |
| 92 |
Fire and Rescue NSWfire.nsw.gov.au
This company is focused on enhancing community safety, managing fire emergencies, responding to various incidents, and running prevention and preparedness programs |
2,439 |
| 93 |
Queensland Ambulance Serviceambulance.qld.gov.au
The Queensland Ambulance Service provides emergency pre-hospital care, patient transport, aero-medical services, disaster response, and quality First Aid training courses |
2,330 |
| 94 |
Sonic Healthcaresonichealthcare.com
Internationally renowned healthcare provider specializing in pathology, radiology, and primary care with operations in multiple countries and a focus on quality medical diagnostic services |
2,328 |
| 95 |
Harbour Energyharbourenergy.com
A leading oil and gas corporation, publicly traded on the London Stock Exchange, specializing in independent operations within the industry |
2,324 |
| 96 |
Qubeqube.com.au
Largest integrated provider of import and export logistics services across Australia, New Zealand, and Southeast Asia with extensive supply chain infrastructure. |
2,301 |
| 97 |
EnergyAustraliaenergyaustralia.com.au
A leading Australian energy company providing practical and sustainable energy solutions, including carbon neutral options, while supporting local communities and indigenous peoples |
2,286 |
| 98 |
Essential Energyessentialenergy.com.au
Builds, operates, maintains extensive electricity distribution network serving over 900,000 customers across diverse regional and rural communities. |
2,263 |
| 99 |
Australian Red Cross Lifebloodlifeblood.com.au
An organization committed to providing life-giving products and services for the well-being of all Australians through blood donations and clinical excellence |
2,252 |
| 100 |
Silverchain Groupsilverchain.org.au
A leading Australian organization providing high-quality, in-home health and aged care services supported by research, technology, and compassionate care |
2,214 |
Turn this list into pipeline
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Oct 24, 2026.
More company lists in Australia
- The largest companies in Australia 5,006
- Government Administration companies in Australia 350
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- Retail chains in Australia 319
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- Hospitals and Health Care companies in Australia 294
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- Public sector organisations in Australia 210
- Non-profit Organizations companies in Australia 185
- Education providers in Australia 171
- Construction companies in Australia 170
- IT Services and IT Consulting companies in Australia 170
- Education Administration Programs companies in Australia 158
- Publicly traded companies in Australia 149
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- SaaS companies in Australia 143
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- Hospitality companies in Australia 111
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The same list elsewhere in Australia
- Critical infrastructure operators in New South Wales 109
- Critical infrastructure operators in Victoria 85
- Critical infrastructure operators in Queensland 55
- Critical infrastructure operators in Western Australia 29
- Critical infrastructure operators in Sydney 54
- Critical infrastructure operators in Melbourne 39