| # | Company | Employees |
|---|---|---|
| 1 |
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 |
| 2 |
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 |
| 3 |
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 |
| 4 |
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 |
| 5 |
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 |
| 6 |
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 |
| 7 |
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 |
| 8 |
Westpac Groupwestpac.com.au
Leading financial institution offering banking, wealth management, and customer-focused services across Australia, Asia, UK, and the US. |
14,973 |
| 9 |
QBE Insuranceqbe.com
An international insurer offering commercial, personal, and specialty products in 27 countries to help manage risks and embrace change |
14,280 |
| 10 |
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 |
| 11 |
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 |
| 12 |
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 |
| 13 |
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 |
| 14 |
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 |
| 15 |
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 |
| 16 |
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 |
| 17 |
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 |
| 18 |
Ampolampol.com.au
Leading Australian company managing extensive fuel refining, importing, marketing, and retail network serving millions across multiple sectors. |
4,907 |
| 19 |
Sydney Watersydneywater.com.au
Provide drinking, recycled, wastewater, and stormwater services to over four million people across Sydney and surrounding regions. |
3,928 |
| 20 |
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 |
| 21 |
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 |
| 22 |
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 |
| 23 |
Healius Limitedhealius.com.au
Provides affordable, accessible specialty diagnostic and pathology services across Australia through extensive laboratories and patient collection centers. |
3,531 |
| 24 |
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 |
| 25 |
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 |
| 26 |
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 |
| 27 |
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 |
| 28 |
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 |
| 29 |
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 |
| 30 |
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 |
| 31 |
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 |
| 32 |
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 |
| 33 |
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 |
| 34 |
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 |
| 35 |
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 |
| 36 |
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 |
| 37 |
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 |
| 38 |
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 |
| 39 |
Essential Energyessentialenergy.com.au
Builds, operates, maintains extensive electricity distribution network serving over 900,000 customers across diverse regional and rural communities. |
2,263 |
| 40 |
Reserve Bank of Australiarba.gov.au
Australia's central bank contributes to price stability, full employment, and economic prosperity through setting cash rates, managing banknotes, and providing banking services |
2,139 |
| 41 |
Pacific Nationalpacificnational.com.au
Largest Australian rail freight provider hauling coal, containers, steel, and bulk commodities, prioritizing safety and nationwide operations. |
2,084 |
| 42 |
BaptistCarebaptistcare.org.au
A leading not-for-profit organization providing Christian-based care for the aged, people with disabilities, families in crisis, and those facing disadvantage |
2,081 |
| 43 |
I-MED Radiology Networki-med.com.au
Australia's leading diagnostic imaging network offering a wide range of medical imaging and radiology services across 240 clinics nationwide |
2,033 |
| 44 |
Transgridtransgrid.com.au
The company operates and maintains high voltage transmission infrastructure in NSW and the ACT, leading the transition to clean energy for a sustainable future |
1,993 |
| 45 |
ASXasx.com.au
Leading global exchange offering trading, clearing, settlement, market insights, connectivity, and depository services across major asset classes with world-class financial infrastructure |
1,991 |
| 46 |
NGM Groupngmgroup.com.au
A leading financial institution in the Hunter region, proudly customer-owned, with over 1,600 employees and $20 billion in assets Delivering award-winning banking services to Australians |
1,881 |
| 47 |
ING Australiaing.com.au
This company is a part of the ING Group, offering simple and value-driven banking products, 24/7 customer support, and a focus on improving customer's lives |
1,768 |
| 48 |
Western Sydney Local Health Districtnsw.gov.au
Delivering comprehensive healthcare to over a million residents in Western Sydney through top-notch clinical expertise, research, and compassionate care |
1,764 |
| 49 |
Westpac Institutional and Businesswestpac.com.au
A partner in nation-building development, supporting clients in transitioning to net zero emissions and driving innovation and efficiency |
1,754 |
| 50 |
TPGtpg.com.au
Leading provider of fixed broadband and communication services in Australia, offering NBN, ADSL2+, Fibre Optic, mobile plans, and networking solutions with own infrastructure and submarine cable connectivity |
1,747 |
| 51 |
HealthShare NSWhealthshare.nsw.gov.au
HealthShare NSW supports NSW Health by providing shared services like transport, meals, assistive technology, and supply chain support for healthcare staff |
1,746 |
| 52 |
NSW Health Pathologypathology.health.nsw.gov.au
The company provides medical and forensic analysis services to support health and justice systems, conducting millions of tests annually |
1,706 |
| 53 |
Illawarra Shoalhaven Local Health District (ISLHD)islhd.health.nsw.gov.au
A leading health district serving 400,000 residents in the Illawarra Shoalhaven region, providing quality healthcare services, community health programs, and employing over 7,300 staff |
1,692 |
| 54 |
South Eastern Sydney Local Health District (SESLHD)seslhd.health.nsw.gov.au
Dedicated to improving the health and wellbeing of diverse communities in south eastern Sydney through hospitals, health centers, and various healthcare services |
1,666 |
| 55 |
eHealth NSWehealth.nsw.gov.au
NSW Health's digital centre of excellence, eHealth NSW, delivers world-class ICT solutions for Australia's largest public health system Visit our community guidelines for more |
1,633 |
| 56 |
Sydney Local Health Districtslhd.health.nsw.gov.au
Health district in Sydney providing care to 700,000 residents and offering tertiary and quaternary services through referral hospitals and community-based health services Vision is excellence in healthcare |
1,604 |
| 57 |
NSW Rural Fire Servicerfs.nsw.gov.au
Established in 1997, this organization is the world's largest fire service, comprised of over 2,000 volunteer rural fire brigades and salaried staff |
1,593 |
| 58 |
Catholic Healthcarecatholichealthcare.com.au
Provider of residential aged care, home care, and retirement living in NSW and South East Queensland, with a focus on exceptional care and employee well-being |
1,569 |
| 59 |
Colonial First Statecfs.com.au
provides superannuation, investment, and retirement products with expertise in Australian and global shares, property, fixed interest, and alternative assets |
1,523 |
| 60 |
The Prince of Wales Hospitalseslhd.health.nsw.gov.au
A major teaching hospital and tertiary referral center providing excellent healthcare services to south eastern Sydney and specialist health services to NSW |
1,523 |
| 61 |
ANSTOansto.gov.au
A large public research organization in Australia, specializing in nuclear science and technology, hosting international collaborations and providing access to landmark infrastructure |
1,439 |
| 62 |
Royal North Shore Hospitalnslhd.health.nsw.gov.au
Principal tertiary referral hospital providing complex medical services, trauma care, research, and high-quality clinical treatment including major trauma, burns, neurosurgery, and maternity services |
1,413 |
| 63 |
Nepean Blue Mountains Local Health District (NBMLHD)nsw.gov.au
Provider of innovative, world-class healthcare services to over 380,000 residents in urban and semi-rural areas, with a commitment to research, teaching, and community well-being |
1,394 |
| 64 |
St Vincent鈥檚 Health Network Sydneysvhs.org.au
A not-for-profit health network in Sydney providing comprehensive healthcare services with a focus on compassion, justice, integrity, and excellence |
1,361 |
| 65 |
Alinta Energyalintaenergy.com.au
A leading Australian utility providing gas and electricity generation, retail, and wholesale services with a focus on renewable energy development |
1,342 |
| 66 |
Perpetual Limitedperpetual.com.au
Providing asset management, wealth management, and trustee services to clients across Australia, Asia, Europe, UK, and the United States. |
1,309 |
| 67 | 1,301 | |
| 68 |
Albury Wodonga Healthawh.org.au
A cross-border public health service providing regional healthcare to over 250,000 people in North-East Victoria and Southern New South Wales |
1,263 |
| 69 |
Endeavour Energy (NSW)endeavourenergy.com.au
Manage extensive electricity distribution network serving millions in NSW, focusing on safety, reliability, sustainability, and community service. |
1,259 |
| 70 |
Central Coast Local Health Districtcclhd.health.nsw.gov.au
This healthcare organization is the largest employer in the region, providing services to over 330,000 people through hospitals and community-based services |
1,236 |
| 71 |
MLC Australiamlc.com.au
A financial services provider offering investments, superannuation, and wealth management solutions with a focus on empowering Australians financially throughout their lives |
1,234 |
| 72 |
nib Groupnib.com.au
Providing health insurance and travel insurance services to individuals in Australia, New Zealand, and globally with member-focused health support. |
1,209 |
| 73 |
Western NSW Local Health Districtjobs.health.nsw.gov.au
A large Local Health District in Western NSW providing health services to diverse communities through a dedicated and skilled workforce |
1,157 |
| 74 |
Primary Health Care Limitedhealius.com.au
Healius provides affordable and accessible healthcare services in Australia, believing in quality care with a focus on both efficiency and compassion |
1,137 |
| 75 |
Sydney Metrosydneymetro.info
Revolutionizing Sydney's public transport with a network of four metro lines, 46 stations, and 113km of new rail by 2030 |
1,103 |
| 76 |
Snowy Hydrosnowyhydro.com.au
Supply electricity to over one million customers, operate hydro, gas, diesel power stations, and develop renewable wind and solar projects. |
1,064 |
| 77 |
Sydney Airportsydneyairport.com
Sydney Airport connects the world through dynamic, fast-paced operations, creating amazing experiences with a supportive team and inspiring leaders |
1,052 |
| 78 |
Murrumbidgee Local Health District (MLHD)mlhd.health.nsw.gov.au
Provider of public healthcare services in rural southern NSW, with 33 hospitals, 12 primary health care centers, and over 5,000 healthcare staff |
989 |
| 79 |
eftpos Payments Australiaeftposaustralia.com.au
Australia's debit card network processed 2 billion transactions in 2017, totaling $130 billion, offering a convenient payment solution for customers |
916 |
| 80 |
Ubankubank.com.au
digital platform providing real-time financial insights, spending tracking, and saving tools to help users manage money and achieve financial goals. |
914 |
| 81 |
NSW Justice Health & Forensic Mental Health Networknsw.gov.au
Delivering healthcare to adults and young people in contact with forensic mental health and criminal justice systems in NSW |
898 |
| 82 |
Hollard Insurance Australiahollard.com.au
Distribution of diverse insurance products including life, income protection, pet, home, contents, and motor insurance for customers. |
860 |
| 83 |
Bupa Aged Care Australiabupaagedcare.com.au
Leading operator of residential aged care homes across Australia, with over 6000 committed employees providing quality care and innovative dementia support |
841 |
| 84 |
WaterNSWwaternsw.com.au
The company manages and protects water sources, supplies bulk water, operates water systems, plans and delivers infrastructure, and provides customer water transaction services |
807 |
| 85 |
Rabobank Australiarabobank.com.au
Specialist in food and agribusiness banking, providing customised solutions to clients globally, with a focus on sustainability, employee engagement, and diversity |
796 |
| 86 |
Cuscal Limitedcuscal.com
A payments and regulated data services provider in Australia, enabling banks, mutuals, corporates, and fintechs with innovative technology solutions for seamless customer connections |
783 |
| 87 |
Australian Digital Health Agencydigitalhealth.gov.au
Leading national efforts to improve health outcomes in Australia through delivery of digital healthcare systems and driving uptake of digital health technologies |
782 |
| 88 |
Superloopsuperloop.com
Superloop unleashes the possibilities of the internet with carrier-grade networks, providing high-performance connectivity services for residential customers, businesses, and corporations in Australia |
771 |
| 89 |
Teachers Mutual Bank Limitedtmbl.com.au
A leading customer-owned bank in Australia, offering superior banking products and exceptional member support to help secure financial futures |
750 |
| 90 |
Challenger Limitedchallenger.com.au
Management of investment funds and life insurance products focused on providing customers with secure and reliable retirement income solutions. |
718 |
| 91 |
Newcastle Permanentnewcastlepermanent.com.au
Customer-owned company providing great rates and award-winning service Committed to supporting local communities through employee initiatives, sponsorships, and charitable grants Proud member of NGM Group Australia |
718 |
| 92 |
Laverty Pathologylaverty.com.au
A leading provider of pathology and medical diagnostic services in Australia, offering a range of testing services and convenient collection centers nationwide |
707 |
| 93 |
Macquarie Technology Groupmacquarietechnologygroup.com
An Australian company specializing in data center, cloud, cyber security, and telecom services for mid-large businesses and government clients Known for exceptional customer service |
707 |
| 94 |
Shoalhaven City Councilshoalhaven.nsw.gov.au
Providing services to towns and villages on the South Coast of NSW, with a focus on maintaining a positive social media community |
662 |
| 95 |
Tyro Paymentstyro.com
Provides integrated payment, banking, and lending solutions tailored for Australian merchants in hospitality, retail, services, and health sectors. |
657 |
| 96 |
Allity Aged Careboltonclarke.com.au
Leading provider of aged care services in Australia, offering support to 130,000 individuals through home care, retirement living communities, and residential aged care homes |
650 |
| 97 |
Northern NSW Local Health Districtnnswlhd.health.nsw.gov.au
Leading regional health district in Australia providing diverse public healthcare services to over 300,000 residents through hospitals and community health centers |
644 |
| 98 |
CommSeccommsec.com.au
Australia's largest online broker providing online trading, cash management, margin lending, and international share trading Stay updated with live market news and expert analysis |
639 |
| 99 |
Chris O'Brien Lifehousemylifehouse.org.au
A not-for-profit cancer hospital offering comprehensive care, advanced treatments, holistic support, and cutting-edge research to improve patient outcomes and experiences |
638 |
| 100 |
Whiddonwhiddon.com.au
A not-for-profit organization providing award-winning aged care services in NSW and QLD, focusing on individual needs and community connections |
611 |
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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 New South Wales
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- SaaS companies in New South Wales 75
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- Food and Beverage Services companies in New South Wales 46
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The same list elsewhere in Australia
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