| # | Company | Employees |
|---|---|---|
| 1 |
University of Nairobiuonbi.ac.ke
Leading university in Kenya and East/Central Africa in teaching, research, and innovation Recognized for informing policy and driving research advancements |
7,088 |
| 2 |
Kenya Powerkplc.co.ke
An energy company in Kenya providing electricity transmission, distribution, and retail services with a commitment to high quality customer service and business sustainability |
6,843 |
| 3 |
Kenyatta Universityku.ac.ke
A dynamic institution committed to accessible education, research, and community engagement, offering high-quality programs and nurturing innovative projects |
5,684 |
| 4 |
Jomo Kenyatta University of Agriculture and Technology (JKUAT)jkuat.ac.ke
Driving advancements in higher education, research, and innovation across Africa for the past 20 years |
4,457 |
| 5 |
Kenyatta National Hospital.knh.or.ke
A leading national referral and teaching hospital in Kenya with a rich history, a wide range of medical services, and partnerships with educational institutions and research agencies |
4,242 |
| 6 |
Kenya Medical Research Institute (KEMRI)kemri.go.ke
A national research body in Kenya focused on health research, established to conduct scientific studies and promote innovation in the healthcare sector |
3,645 |
| 7 |
Kenya Airports Authoritykaa.go.ke
KAA provides facilitative aviation infrastructure in Kenya to connect the country with the world, ensuring consistent and delightful travel experiences |
1,905 |
| 8 |
Kenya Railwayskrc.co.ke
The company provides coordinated rail and inland waterways transport services, inland port facilities, and concession agreements for rail transport services |
1,728 |
| 9 |
National Health Insurance Fund - Kenyasha.go.ke
The company provides health insurance in Kenya to ensure affordable and quality healthcare access for all citizens through a restructured autonomous parastatal |
1,623 |
| 10 |
Kenya Medical Training College (KMTC)kmtc.ac.ke
A leading medical training college in Kenya offering a wide range of health-related courses and contributing significantly to the healthcare workforce |
1,368 |
| 11 |
National Social Security Fund (NSSF Kenya)nssf.or.ke
A service organization in Kenya offering social protection to all workers in formal and informal sectors for public good |
1,307 |
| 12 |
The Technical University of Kenyatukenya.ac.ke
A leading technical university in Kenya, offering diploma, undergraduate, and postgraduate degrees to students in a variety of fields |
1,279 |
| 13 |
Kenyatta University Teaching, Referral & Research Hospitalkutrrh.go.ke
A leading hospital in Kenya with advanced medical facilities, offering various services including oncology, orthopedics, renal care, telemedicine, and helipad access |
1,185 |
| 14 |
Kenya Bureau of Standardskebs.org
A statutory organization mandated to develop standards, issue product certifications, provide quality system certifications, ensure consumer protection, offer training programs, and more |
1,172 |
| 15 |
Kenya National Highways Authoritykenha.co.ke
The company is responsible for overseeing and improving national highways, focusing on management, development, rehabilitation, and maintenance of the roads |
1,147 |
| 16 |
Kenya Agricultural and Livestock Research Organization (KALRO)kalro.org
A research institute under KALRO focusing on livestock diseases, vaccines, One Health, zoonoses, public health, and AMR among other subjects |
1,102 |
| 17 |
United Nations Office at Nairobiunon.org
An office in Nairobi established by the UN in 1996, serving as the representative office of the Secretary-General, handling representation and liaison functions |
916 |
| 18 |
ICT Authorityicta.go.ke
The company enforces ICT standards, manages staff, promotes e-Government services, facilitates ICT literacy, innovation, and infrastructure development in the public sector |
904 |
| 19 |
Kenya Medical Training Collegekmtc.ac.ke
A public health training institution established in 1972 under the Ministry of Health, with 71 campuses nationwide promoting healthcare improvement |
851 |
| 20 |
Geothermal Development Companylinktr.ee
A government-owned corporation focused on accelerating the development of geothermal resources in Kenya for power generation and alternative uses |
833 |
| 21 |
Kenya Broadcasting Corporation (KBC)kbc.co.ke
A state-run media organization in Kenya established in 1928, providing independent broadcasting services of information, education, and entertainment in multiple languages |
805 |
| 22 |
Kenya Plant Health Inspectorate Service - Kephiskephis.go.ke
A government parastatal ensuring quality control of agricultural inputs and produce to promote food security and sustainable development through regulation and facilitation |
765 |
| 23 |
National Museums of Kenyamuseums.or.ke
A network of 22 museums, 9 sites & monuments, 8 World Heritage Sites, and 7 research/exhibition labs showcasing diverse cultural and historical collections |
693 |
| 24 |
Kenya Utalii Collegeutalii.ac.ke
Leading African hospitality and tourism training institution, providing world class training for local and international industry professionals with strong industry linkages |
652 |
| 25 |
Kenya Electricity Transmission Company Limited (KETRACO)ketraco.co.ke
A government-owned state corporation in Kenya tasked with planning, constructing, and maintaining the high voltage electricity transmission grid and regional power interconnectors |
641 |
| 26 |
Office of the Auditor-General, Kenyaoagkenya.go.ke
The Office of the Auditor-General oversees accountability in the branches of government, Constitutional Commissions, Independent Offices, and entities funded by public funds in Kenya |
619 |
| 27 |
Kenya Medical Supplies Authoritykemsa.go.ke
A state corporation under the Ministry of Health in Kenya responsible for procurement, warehouse, and distribution of health products and technologies |
585 |
| 28 |
Independent Electoral and Boundaries Commissioniebc.or.ke
The company conducts transparent and impartial elections, undertakes boundary delimitation, and aims to be a credible electoral management body in Kenya |
574 |
| 29 |
National Museums of Kenyaor.ke
A multi-disciplinary institution dedicated to preserving and presenting Kenya's cultural and natural heritage for knowledge, appreciation, and sustainable utilization |
572 |
| 30 |
Kenya School of Governmentksg.ac.ke
An ISO 9001:2015 certified institution offering capacity development programs, training, research, consultancy, and policy advisory services for the Public Service in Kenya |
571 |
| 31 |
Kenya National Library Service (KNLS)knls.ac.ke
A statutory body in Kenya that establishes and maintains libraries, promotes information literacy, and provides access to information for community development |
568 |
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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.
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