- Derm Group
- Elsewedy Electric East Africa
- Equinor Tanzania AS
- Faru Graphite Corporation
- Gaia Eco Solutions (T) Ltd ( Synarge)
- Geita Gold Mining Ltd
- Helios Towers Tanzania Infraco Limited
- KIURE Engineering Ltd.
- KS Energy
- Ophir East Africa Ventures Limited
- Oryx Energies Tanzania Ltd
- Oryx Gas Tanzania
- Petrofuel (T) Limited
- Primefuels
- Puma Energy
- Shell Exploration and Production Tanzania Limited
- Songas Ltd
- Tanzania Association of Oil Marketing Companies (TAOMAC)
- Tanzania International Petroleum Reserves Limited (TIPER)
- Tembo Nickel
- TOL Gases
- TotalEnergies Marketing Tanzania Limited
- Transpower Limited
- Vivo Energy Tanzania Limited
- Absa Bank Tanzania Ltd
- Access Microfinance Bank Tanzania
- Akiba Commercial Bank
- ARiS Risk & Insurance Solutions Limited
- Asa Microfinance
- Assemble Insurance Tanzania
- Azania Bank
- Bank of Africa (BOA)
- Brac Tanzania Finance Ltd
- Britam Insurance (T) Ltd
- Citibank Tanzania
- CRDB Bank
- Creditinfo Tanzania Limited
- Dar es Salaam Stock Exchange
- DCB Bank
- Diamond Trust Bank
- Ecobank
- Equity Bank
- Exim Bank Tanzania
- First Housing Finance
- Imaan Finance
- J. H. Minet & Co. (Tanzania) Limited
- Jubilee Allianz Insurance
- Jubilee Life Insurance
- KCB Bank Tanzania Ltd
- National Bank of Commerce (NBC)
- National Commercial Bank of Africa (T) Limited
- National Microfinance Bank Ltd (NMB)
- Sanlam Life Insurance Tanzania
- SS Holdings
- Stanbic Bank Tanzania
- Standard Chartered Bank Tanzania
- Strategis Insurance (T) Ltd
- Tanzania Agricultural Development Bank
- Tanzania Mortgage Refinance Company (TMRC)
- TCB Bank
- TCCIA Investment PLC
- UAP Insurance Tanzania Limited
- Union Trust Investment Ltd
- United Bank for Africa (T) Ltd
- Vertex Capital Limited
- Aga Khan Health Service Tanzania
- Amref Health Africa
- Benjamin William Mkapa Foundation
- CARE International Tanzania
- Comprehensive Community Based Rehabilitation in Tanzania (CCBRT)
- Doris Mollel Foundation
- EngenderHealth Tanzania
- Jubilee Health Insurance
- Management & Development for Health (MDH)
- Muhimbili National Hospital
- Pathfinder International Tanzania
- Strategis (T) Ltd. (Medical Insurance)
- T-MARC Tanzania
- Airtel Tanzania
- Beem Africa
- Cable Television Network (CTV) LTD
- CATS Tanzania
- Cellulant Tanzania
- Freedom Computers Limited
- Imatic Technologies Ltd.
- InfoGear Technology
- Liquid Intelligent Technologies
- MIC Tanzania Limited
- SEACOM Tanzania Ltd
- Simba Net (T) ltd
- Smart Africa Group
- Soft-Tech Consultant Ltd.
- Vodacom Tanzania Limited
- Xtra Micro Limited
- Advent Construction Ltd
- ALAF Limited
- Asamoil Company Limited
- BNM Company Ltd
- Bora Industries Ltd
- Coca Cola Kwanza Limited
- Color & Compound Limited
- CPS Zanzibar
- CSI Construction
- Davis&Shirtliff
- Estim Constructions Limited
- GF Trucks and Equipment Ltd
- GSM Tanzania LTD
- JEFAG Group Ltd
- Kansai Plascon Tanzania Limited
- Karimjee Jivanjee Limited
- Kioo Ltd
- KNAUF Gypsum Tanzania
- LafargeHolcim Tanzania
- MAC Group Ltd
- Mantrac Tanzania Limited
- Modern Flexible packaging Limited
- Mohammed Enterprises Tanzania Ltd
- Mowara Limited
- Nabaki Afrika Ltd
- Nyanza Road Works
- Petropak Limited
- Plasco Limited
- Premier Agencies (T) Ltd
- Prisons Corporation Sole
- Reni International Co. Ltd
- Said Salim Bakhresa & Company Ltd
- SBC Tanzania Limited
- Serengeti Breweries Ltd
- SGS Tanzania Superintendence Co. Ltd
- Shambani Milk Ltd
- Simba Logistics
- Sita Steel Rollings Ltd
- Starpeco Ltd
- Steel Masters Limited
- Sumaria Group Tanzania
- Super Meals Ltd. - Cool Blue
- Superdoll Trailer Manufacture Co. Ltd
- Tanpack Tissues Ltd
- Tanzania Breweries Limited
- Tanzania Cigarette Public Company Ltd. (TCC)
- TAQA Dalbit Tanzania LTD
- Toyota Tanzania Limited
- A&K Tanzania Ltd
- AFRICAPITAL Investment Holdings Limited
- Aga Khan Education Service
- AGL Tanzania
- Apex Attorneys
- Association of Tanzania Employers (ATE)
- Bankable Tanzania Limited
- Basil & Alred
- Bollore Logistics
- Clyde & Co
- CV People Tanzania
- Dalberg Tanzania
- Deloitte Consulting Ltd
- DHL Global Forwarding Kenya Ltd
- Diamond Maintenance Tanzania Limited
- Dough Works
- DSM Corridor Group Ltd
- Empower Limited
- Ernst & Young
- FB Attorneys
- Financial Sector Deepening Trust (FSDT)
- Foundation For Civil Society
- Freight Terminals Tanzania
- G4S Secure Solutions (T) Ltd
- Garda World
- Hallmark Attorneys
- HLB Tanzania - Mekonsult
- ICEA LION General Insurance Company
- Iconic Properties Limited
- Innovex
- Institute of Accountancy Arusha
- J.D Electronics Limited
- KPMG East Africa
- Legal Service Faculty (LSF)
- Lindam Group Limited
- Mazars Wiscon & Associates
- Multichoice Tanzania
- National Housing Corporation
- Nexia Tanzania
- NexLaw Advocates
- Noesis Strategic Institute Ltd
- PwC Tanzania
- Rajani Holdings limited
- Rentco Limited
- Rex Corporate Limited
- Ridhaa Group
- RSM Eastern Africa
- Scania Tanzania
- SGA Security Group (T) Limited
- Skymark Realties Ltd
- Strathmore Business School
- Swissport Tanzania Plc.
- The Heritage Insurance Company
- The University of Dar es Salaam (UDSM)
- Top Archive
- V. J Mistry & Co ltd
- Victory Attorneys
- Warioba Ventures