| # | Company | Employees |
|---|---|---|
| 1 |
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 |
| 2 |
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 |
| 3 |
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 |
| 4 |
Virgin Australiavirginaustralia.com
Airline focused on improving flight experiences through new team members, fare restructuring, innovative in-flight services, and sustainability goals. |
5,932 |
| 5 |
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 |
| 6 |
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 |
| 7 |
Qld Healthgov.au
Provides support to parents facing challenges with their child's development and behavior through the Early Intervention Parenting service |
4,294 |
| 8 |
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 |
| 9 |
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 |
| 10 |
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 |
| 11 |
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 |
| 12 |
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 |
| 13 |
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 |
| 14 |
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 |
| 15 |
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 |
| 16 |
Gold Coast Hospital and Health Servicehealth.qld.gov.au
Gold Coast Health provides public sector healthcare services in hospital and community settings, focusing on chronic disease management, medical training, and health infrastructure development |
1,853 |
| 17 |
Children's Health Queensland Hospital and Health Servicechildrens.health.qld.gov.au
The company is a leader in paediatric healthcare, education, and research, providing comprehensive services, training, and health promotion programs for children and young people |
1,707 |
| 18 |
Powerlink Queenslandpowerlink.com.au
Ownership, operation, and maintenance of Queensland's high-voltage electricity transmission network serving millions of customers and large industrial users. |
1,698 |
| 19 |
Icon Groupicongroup.global
A leading healthcare provider offering integrated oncology services globally, including day oncology, radiation oncology, chemotherapy compounding, pharmacy management, and clinical trials |
1,630 |
| 20 |
Ergon Energy Networkergon.com.au
Supply electricity to over 746,000 customers across Queensland, ensuring safe, reliable, efficient, and sustainable energy solutions for diverse communities. |
1,609 |
| 21 |
Logan City Councillogan.qld.gov.au
A local government organization in Logan City, Queensland, fostering a diverse community of over 300,000 residents through industry growth and cultural celebration |
1,499 |
| 22 |
Sunshine Coast Hospital and Health Servicesunshinecoast.health.qld.gov.au
Health service provider with five main hospitals and multiple community health centers, offering care to almost 500,000 people in Queensland |
1,165 |
| 23 |
Urban Utilitiesurbanutilities.com.au
Providing drinking water and wastewater services to communities in Brisbane and surrounding areas, ensuring sustainable water management and infrastructure. |
1,112 |
| 24 |
Townsville Hospital and Health Servicetownsville.health.qld.gov.au
Dedicated to promoting health in North Queensland through a network of hospitals and health services, focusing on innovation and community engagement |
1,109 |
| 25 |
Suncorp Banksuncorpbank.com.au
Provides personal and business banking services in Australia, aiming to create a brighter future by empowering customers to make smart financial choices |
1,102 |
| 26 |
Royal Brisbane & Women鈥檚 Hospitallinkedin.com
A medical practice company located in Herston, Queensland, Australia, providing services at the Royal Brisbane & Women鈥檚 Hospital |
1,084 |
| 27 |
Seqwaterseqwater.com.au
Supplier of bulk drinking water to South East Queensland, managing catchment health, flood mitigation, irrigation water supply, and recreation facilities |
1,044 |
| 28 |
Stanwell Corporation Limitedstanwell.com
Leading electricity provider with efficient coal-fired power stations and expanding renewable energy portfolio to meet Queensland's future energy needs. |
967 |
| 29 |
Wesley Mission Queenslandwmq.org.au
A Queensland-based not-for-profit organization providing community support, mental health services, aged care, disability support, retirement living, and Auslan interpreting services |
922 |
| 30 |
Great Southern Bankgreatsouthernbank.com.au
With a history of 75 years, we prioritize customer satisfaction by providing banking services to over 400,000 Australians, focusing on home ownership Connect with us on social media |
895 |
| 31 |
Alliance Airlinesallianceairlines.com.au
Australia's largest air charter and aviation services business, offering high capacity to VIP charters with a focus on safety, reliability, and customer service excellence |
836 |
| 32 |
EDLedlenergy.com
Global producer of sustainable distributed energy, offering innovative solutions for reliable, cost-effective, and environmentally sustainable power generation across multiple continents |
828 |
| 33 |
QML Pathologyqml.com.au
A leading diagnostic testing provider in Queensland and northern New South Wales with a wide network of collection centers and laboratories |
772 |
| 34 |
Unitywaterunitywater.com
Provides water supply and sewage treatment services to Moreton Bay, Sunshine Coast, and Noosa regions, operating essential infrastructure for Queensland's population |
770 |
| 35 |
Redland City Councilredland.qld.gov.au
Local government promoting a relaxed coastal lifestyle, strong community values, and showcasing cultural and natural attractions in the region. |
758 |
| 36 |
Darling Downs Hospital and Health Servicedarlingdowns.health.qld.gov.au
Provides public healthcare to over 300,000 people in provincial and rural areas through hospitals, health services, aged care facilities, and clinics |
744 |
| 37 |
West Moreton Hospital and Health Servicewestmoreton.health.qld.gov.au
Healthcare provider serving Somerset, Scenic Rim, Lockyer Valley, and Ipswich communities with a range of preventative, acute, mental health, and specialized services |
744 |
| 38 |
QGCshell.com.au
Global leader in producing LNG from coal seam natural gas, operating a two-train liquefaction plant in Queensland Pioneers in innovative energy solutions |
735 |
| 39 |
Cairns and Hinterland Hospital and Health Servicecairns-hinterland.health.qld.gov.au
Health Service providing excellence in healthcare, research, education in Far North Queensland Primary provider for Cairns, Tablelands, Cassowary Coast regions |
732 |
| 40 |
CS Energycsenergy.com.au
Generation and sale of electricity, energy retail to commercial and industrial clients, investment in renewable energy and storage assets. |
728 |
| 41 |
United Petroleum Pty Ltdunitedpetroleum.com.au
An Australian oil company operating nationally, offering premium fuels, convenience stores, franchising, and construction services, known for innovative products and growth |
709 |
| 42 |
eHealth Queenslandhealth.qld.gov.au
This company supports health services in Queensland by providing eHealth innovation, strategy, ICT programs, infrastructure, and customer support |
681 |
| 43 |
Sunwatersunwater.com.au
Provider of water solutions and services in regional communities, managing water infrastructure for agriculture, community, and industrial customers across Queensland |
673 |
| 44 |
The Wesley Hospitalwesley.com.au
A leading private hospital in Brisbane offering a wide range of medical and surgical services with modern facilities and specialized care for patients |
657 |
| 45 |
Swissport (Australia and New Zealand)swissport.com
Global provider of airport ground services, handling air freight and assisting millions of passengers at numerous airports worldwide Operates in Australia and New Zealand |
654 |
| 46 |
Heritage Bankheritage.com.au
Customer-owned bank merging with credit union to form Australia's leading member-owned banking organisation, committed to community support and integration. |
647 |
| 47 |
Arrow Energyarrowenergy.com.au
production of natural gas and electricity powering homes and industries, supporting communities through jobs, local business, and infrastructure |
638 |
| 48 |
Verovero.com.au
Provider of market leading insurance products and solutions for businesses, with over 180 years of experience and a focus on helping businesses succeed |
635 |
| 49 |
MPC Kineticlinktr.ee
Innovative energy and natural resources solutions provider offering infrastructure, services, and solutions for a sustainable future with proven expertise and partnerships |
630 |
| 50 |
Shell Energy Australiashellenergy.com.au
An Australian renewables and energy solutions business, offering decarbonization solutions, business and residential energy products, and shaping the renewable energy landscape with innovative investments |
613 |
| 51 |
Wide Bay Hospital and Health Servicewidebay.health.qld.gov.au
Provider of healthcare services in a regional area spanning from Agnes Waters to Hervey Bay, including hospitals and health facilities in various towns |
592 |
| 52 |
Mackay Regional Councilmackay.qld.gov.au
The organization operates in the fast-growing Mackay region, offering a vibrant economy, beautiful natural surroundings, diverse population, and access to coal and sugar production |
584 |
| 53 |
Brisbane Airportbne.com.au
Operate and manage Brisbane Airport, providing seamless passenger experiences, supporting diverse roles, and contributing significantly to Queensland's economy. |
579 |
| 54 |
Rogaland Sparebankrogalandsparebank.no
The company offers competitive banking products and services, including insurance and investment products, with personalized advice from experienced advisors |
158 |
| 55 |
H2 Hauler PTY LTDh2hauler.com.au
An Australian company in Toowoomba QLD that designs, manufactures, and rents transport and storage solutions for compressed hydrogen and gas in the renewable energy industry |
4 |
Turn this list into pipeline
Tamtam finds the decision-makers at every company on a list like this one, with verified emails, phone numbers and the buying signals that tell you when to reach out.
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 Queensland
- The largest companies in Queensland 674
- Hospitals and Health Care companies in Queensland 53
- Retail chains in Queensland 49
- Government Administration companies in Queensland 44
- Public sector organisations in Queensland 39
- Mining companies in Queensland 37
- Financial services firms in Queensland 34
- Financial Services companies in Queensland 34
- Healthcare providers in Queensland 32
- Education Administration Programs companies in Queensland 30
- Retail companies in Queensland 27
- Construction companies in Queensland 26
- Non-profit Organizations companies in Queensland 26
The same list elsewhere in Australia
- Critical infrastructure operators in Australia 314
- Critical infrastructure operators in New South Wales 109
- Critical infrastructure operators in Victoria 85
- Critical infrastructure operators in Western Australia 29
- Critical infrastructure operators in Sydney 54
- Critical infrastructure operators in Melbourne 39