| # | 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 |
NABnab.com.au
The company is dedicated to serving customers and supporting communities through their banking services, emphasizing on what matters most |
40,896 |
| 3 |
Australia Postauspost.com.au
Connecting businesses with consumers through postal, retail, financial, communications, and etailing services focused on continuous improvement. |
16,807 |
| 4 |
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 |
| 5 |
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 |
| 6 |
Bendigo Bankbendigobank.com.au
Community-focused bank providing trusted financial services and support to millions of Australians, emphasizing customer-centric banking solutions. |
8,768 |
| 7 |
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 |
| 8 |
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 |
| 9 |
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 |
| 10 |
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 |
| 11 |
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 |
| 12 |
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 |
| 13 |
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 |
| 14 |
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 |
| 15 |
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 |
| 16 |
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 |
| 17 |
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 |
| 18 |
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 |
| 19 |
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 |
| 20 |
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 |
| 21 |
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 |
| 22 |
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 |
| 23 |
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 |
| 24 |
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 |
| 25 |
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 |
| 26 |
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 |
| 27 |
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 |
| 28 |
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 |
| 29 |
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 |
| 30 |
Spotless Groupdownergroup.com
Provider of various services, now under Downer Group ownership No longer active on social media |
2,551 |
| 31 |
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 |
| 32 |
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 |
| 33 |
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 |
| 34 |
Ascianoasciano.com.au
Leading rail and cargo ports operator in Australia and New Zealand, handling vast quantities of commodities and goods to support regional economy |
2,203 |
| 35 |
Grampians Healthgrampianshealth.org.au
A collaborative partnership of healthcare services delivering tailored, sustainable healthcare to meet the needs of the workforce and community |
2,190 |
| 36 |
Mercy Health Australiamercyhealth.com.au
Catholic organization providing a wide range of healthcare services, including hospital care, aged care, mental health programs, maternity services, and home care |
2,153 |
| 37 |
Transurbantransurban.com
An Australian-owned company developing toll roads, conducting safety research, advocating for sustainable transport, and enhancing community liveability in operating areas |
2,145 |
| 38 |
Bendigo Healthbendigohealth.org.au
A regional health service offering a wide range of medical services to the community, focused on providing excellent care to every person |
2,050 |
| 39 |
AusNetausnetservices.com.au
Leading energy delivery service in Victoria with over $11 billion in assets, serving 15 million customers Engineering a sustainable future for Australia's infrastructure needs |
2,006 |
| 40 |
Cabrini HEALTHcabrini.com.au
A not-for-profit health service offering comprehensive care, education, and research, with a focus on patient well-being and community support |
1,922 |
| 41 |
Australian Energy Market Operator (AEMO)aemo.com.au
Operate Australia's largest gas and electricity markets, provide planning, forecasting, and security advice to ensure energy reliability and security. |
1,921 |
| 42 |
Vocusvocus.com.au
Provides extensive fibre network and diverse connectivity solutions including subsea cables, private networks, and satellite services across Australia. |
1,801 |
| 43 |
CitiPower and Powercorpowercor.com.au
Operate electricity distribution networks serving 1.2 million customers, enabling renewable energy integration, ensuring safety, reliability, and supporting clean energy transition. |
1,752 |
| 44 |
Country Fire Authority (CFA)cfa.vic.gov.au
A large group in Victoria dedicated to protecting lives and property, responding to hazards, and collaborating with emergency services partners |
1,748 |
| 45 |
Vocus Group Limitedvocusgroup.com.au
Provider of telecommunications infrastructure in Australia and New Zealand with a focus on simplicity, reliability, and automation to meet customer connectivity needs |
1,714 |
| 46 |
Viva Energy Australiavivaenergy.com.au
Aiming for net zero emissions by 2050, this organization supports Australia's energy needs through innovative projects for sustainable energy solutions |
1,638 |
| 47 |
V/Linevline.com.au
Australia's largest regional public transport operator connecting communities through safe, comfortable, and reliable train and coach services, fostering strong stakeholder relationships for community prosperity |
1,573 |
| 48 |
Jemenajemena.com.au
Provider of gas and electricity services with over a century of experience, supplying essential energy to millions of households and businesses |
1,560 |
| 49 |
Melbourne Watermelbournewater.com.au
Manages and protects water resources, provides clean drinking water, treats sewage, reduces flood risk, and keeps rivers, creeks, and catchments healthy. |
1,549 |
| 50 |
The Royal Women's Hospitalthewomens.org.au
Specialist women's tertiary hospital in Melbourne, offering maternity, neonatal, gynaecology, and cancer services Promotes diversity, inclusion, and gender equity for employees |
1,540 |
| 51 |
Dodo Servicesdodo.com
Provider of telecommunications, energy, and insurance services focused on competitive pricing, customer choice, and delivering great value in Australia. |
1,526 |
| 52 |
Integral Diagnostics (IDX)integraldiagnostics.com.au
Leading provider of medical imaging services in Australia and New Zealand, delivering state-of-the-art diagnostic services through multiple clinics and hospital sites |
1,398 |
| 53 |
Zinfrazinfra.com.au
Zinfra is a leading delivery partner in Australia's energy infrastructure sector, providing engineering, project management, construction, and maintenance services with a focus on inclusivity and diversity |
1,348 |
| 54 |
Australian Clinical Labsclinicallabs.com.au
A leading provider of pathology services in Australia, offering a comprehensive range of advanced pathology testing, innovative technologies, and convenient collection centers nationwide |
1,335 |
| 55 |
Bendigo Bankbendigobank.com.au
A large bank in Australia offering competitive products, innovative services, and support for communities with a focus on history, sincerity, and integrity |
1,188 |
| 56 |
Yarra Tramsyarratrams.com.au
A leading provider of public transport in Melbourne, operating the largest tram network in the world, connecting thousands of people daily |
1,184 |
| 57 |
Kineticwearekinetic.com
A global transport network operator providing bus and rail services in multiple countries, committed to sustainability, diversity, and community impact |
1,168 |
| 58 |
CGU Insurancecgu.com.au
Provider of insurance products with over 165 years of experience, working closely with brokers to ensure exceptional service and peace of mind for customers |
1,162 |
| 59 |
Greater Western Watergww.com.au
Provider of water and sanitation services for over 580,000 customers in Melbourne's West, spanning 3,700 square kilometres from CBD to Lancefield |
1,161 |
| 60 |
UniSuperunisuper.com.au
Australian super fund serving thinkers, creators, and investigators Largest fund with 620,000+ members and $115B in assets, shaping a better future |
1,142 |
| 61 |
South East Watersoutheastwater.com.au
Deliver essential water and sewerage services to over 1.8 million people in Melbourne鈥檚 south east with innovation and sustainability focus. |
1,117 |
| 62 |
Fire Rescue Victoriafrv.vic.gov.au
Fire and rescue service providing emergency response, complex rescues, medical aid, and hazardous spill management across Victoria. |
1,057 |
| 63 |
AIA Australiaaia.com.au
Specialist in life insurance, health insurance, and wellbeing programs protecting and enhancing millions of Australians' lives and health. |
1,036 |
| 64 |
Aussie Broadbandaussiebroadband.com.au
A growing internet service provider in Australia, offering high-quality internet services with a focus on customer satisfaction, local support, and community impact |
1,015 |
| 65 |
Cbus Super Fundcbussuper.com.au
provides superannuation and income stream accounts to construction industry workers, managing over $85 billion for more than 910,000 members |
991 |
| 66 |
Latrobe Regional Healthlrh.com.au
Specialist referral and trauma center offering medical services, elective surgery, emergency care, mental health services, and clinical experience for students |
987 |
| 67 | 975 | |
| 68 |
Yarra Valley Wateryvw.com.au
Provide water supply and sewage treatment services to millions, including water recycling for residential and public use across a large area. |
899 |
| 69 |
Goulburn Valley Healthgvhealth.org.au
GV Health is a multi-campus health facility serving a population of 120,000, providing hospital, community health, aged care services, and research partnerships with universities |
869 |
| 70 |
Red Energyredenergy.com.au
Australian energy company providing affordable, personal, and simple energy solutions with local customer support and over 1200 employees. |
847 |
| 71 |
Melbourne Airportmelbourneairport.com.au
The organization operates Melbourne's major airport, facilitating travel, logistics, and employment while aiming to be Australia's top airport destination |
721 |
| 72 |
Tasmanian Health Servicegov.au
This organization manages and delivers integrated health services to maintain and improve the health and wellbeing of Tasmanians and the community |
717 |
| 73 |
mecwacaremecwacare.org.au
A non-profit organization providing a wide range of care and support services for the elderly and individuals with disabilities in Victoria |
698 |
| 74 |
Triple Zero Victoriatriplezero.vic.gov.au
Provider of 24-hour emergency call-taking and dispatch services for police, fire, ambulance, and VICSES in Victoria, handling over 26 million calls annually |
697 |
| 75 |
Sydney Adventist Hospitalorg.au
A not-for-profit healthcare organization providing holistic care through expert medical services and compassionate staff for inpatients and outpatients |
692 |
| 76 |
Bank Australiabankaust.com.au
A customer-owned bank focused on clean money movement, reinvesting profits to provide competitive rates, responsible banking, and positive impact |
651 |
| 77 | 640 | |
| 78 |
Melbourne Pathologymps.com.au
Melbourne Pathology provides premier pathology services in Victoria, with state-of-the-art laboratories and experienced pathologists offering diagnostic excellence and independence |
638 |
| 79 |
Transdev Australia & New Zealandtransdev.com.au
A leading provider of public transport services in Australia and New Zealand, with a focus on innovation, safety, and customer satisfaction |
634 |
| 80 |
ME Bankmebank.com.au
Aussie bank focusing on making banking more ethical and accessible through low-cost home loans and a full suite of banking services |
626 |
| 81 |
Suburban Rail Loop Authoritybigbuild.vic.gov.au
Leading the largest infrastructure project in Victoria's history, connecting major rail lines in Melbourne to improve transportation and community engagement |
596 |
| 82 |
ENGIE AUengie.com.au
Leader in low carbon generation, energy infrastructures, and efficient solutions worldwide Operates renewable and gas-fired plants, and retail business in Australia |
351 |
| 83 |
Simply Energysimplyenergy.com.au
A provider of smart electricity and gas solutions in Australia, committed to making energy simple, affordable, and sustainable through innovation and partnerships |
184 |
| 84 |
Treasury Corporation of Victoriatcv.vic.gov.au
As the central financing authority for the state, we provide tailored loans, financing, advisory, and investment services to government entities |
64 |
| 85 |
Infranexus Management Pty Ltdinfranexus.com.au
Active manager of infrastructure assets, specializing in Australian social infrastructure Provides key support services to fund assets and manages long-term PPP infrastructure businesses |
48 |
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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 Victoria
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- Healthcare providers in Victoria 67
- IT Services and IT Consulting companies in Victoria 63
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- Public sector organisations in Victoria 61
- E-commerce companies in Victoria 56
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- Publicly traded companies in Victoria 46
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- SaaS companies in Victoria 40
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- Real Estate companies in Victoria 32
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The same list elsewhere in Australia
- Critical infrastructure operators in Australia 314
- Critical infrastructure operators in New South Wales 109
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- Critical infrastructure operators in Western Australia 29
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- Critical infrastructure operators in Melbourne 39