| Company Name | Entity type | Parent/Subsidiary/Independent | Headquarters | No. of Employees | Annual Revenue ($M) | |
|---|---|---|---|---|---|---|
| Huawei Investment & Holding Co Ltd | Private | Parent | China | 207,000 | 95,467 | |
| Nippon Telegraph and Telephone Corp | Public | Parent | Japan | 338,651 | 97,045 | |
| Deutsche Telekom AG | Public | Parent | Germany | 199,652 | 121,088 | |
| Itochu Corp | Public | Parent | Japan | 110,698 | 103,025 | |
| Marubeni Corp | Public | Parent | Japan | 45,995 | 67,896 | |
| BT Group Plc | Public | United Kingdom | 97,100 | 25,476 | ||
| International Container Terminal Services Inc | Public | Parent | Philippines | 9,865 | 2,388 | |
| Telefonaktiebolaget LM Ericsson | Public | Parent | Sweden | 99,140 | 24,827 | |
| KT Corp | Public | South Korea | 23,371 | 20,205 | ||
| Saudi Telecom Co | Public | Parent | Saudi Arabia | XYZ | 19,305 | |
| Sharp Corp | Public | Japan | 46,200 | 18,825 | ||
| Singapore Telecommunications Ltd | Public | Subsidiary (of Temasek Holdings Pvt Ltd) | Singapore | 24,070 | 10,610 | |
| Kyushu Electric Power Co Inc | Public | Parent | Japan | 21,096 | 16,410 | |
| Aisin Corp | Public | Parent | Japan | 116,649 | 32,526 | |
| Datatec Ltd | Public | South Africa | 11,009 | 5,143 | ||
| Proximus plc | Public | Belgium | 11,654 | 6,481 | ||
| Mitsui Chemicals Inc | Public | Parent | Japan | 18,933 | 13,885 | |
| Acer Inc | Public | Parent | Taiwan | 7,967 | 7,749 | |
| Telia Co AB | Public | Sweden | 17,897 | 8,370 | ||
| Kanematsu Corp | Public | Parent | Japan | 7,866 | 6,733 | |
| Secom Co Ltd | Public | Parent | Japan | 65,087 | 8,136 | |
| Oman Telecommunications Co SAOG | Public | Subsidiary (of Government of Oman ) | Oman | 2,315 | 6,990 | |
| VSTECS Bhd | Public | Parent | Malaysia | XYZ | XYZ | |
| Information & Communication Technology WLL | Private | Subsidiary (of East Gulf Ltd ) | Qatar | XYZ | XYZ | |
| Hitachi Construction Machinery Co Ltd | Public | Subsidiary (of Hitachi Ltd) | Japan | 25,430 | 9,452 | |
| T-GAIA Corp | Public | Subsidiary (of Sumitomo Corp) | Japan | 4,955 | 3,351 | |
| Screen Holdings Co Ltd | Public | Parent | Japan | 5,987 | 3,404 | |
| Exceed ICT Pty Ltd | Private | Parent | Australia | XYZ | XYZ | |
| Hitachi ICT Business Services Ltd | Private | Independent | Japan | XYZ | XYZ | |
| Nippon Electric Glass Co Ltd | Public | Parent | Japan | 6,349 | 2,068 | |
| Business ICT | Private | Independent | Australia | XYZ | XYZ | |
| Telecom Egypt Co | Public | Parent | Egypt | XYZ | 1,850 | |
| Net One Systems Co Ltd | Public | Parent | Japan | 2,548 | 1,549 | |
| Everthought College of Construction Pty Ltd | Private | Independent | Australia | XYZ | XYZ | |
| RISE Acreo AB | Private | Subsidiary (of Rise ICT ) | Sweden | XYZ | XYZ | |
| ICT Zone Asia Bhd | Public | Independent | Malaysia | XYZ | XYZ | |
| Ryoden Co., Ltd. | Public | Subsidiary (of Mitsubishi Electric Corp) | Japan | 1,242 | 1,923 | |
| ISE | Private | Subsidiary (of Endeavor Business Media, LLC ) | United States of America | XYZ | XYZ | |
| Axians Networks Limited | Private | Subsidiary (of Vinci SA ) | United Kingdom | XYZ | XYZ | |
| Advania ICT Oy | Private | Independent | Finland | XYZ | XYZ | |
| O2 Czech Republic AS | Private | Subsidiary (of PPF AS ) | Czech Republic | 4,139 | 1,465 | |
| Sky ICT PCL | Public | Parent | Thailand | XYZ | XYZ | |
| ICT Compliance | Private | Independent | South Korea | XYZ | XYZ | |
| Police Digital Service | Government | Independent | United Kingdom | XYZ | XYZ | |
| Nippon Chemi-Con Corp | Public | Parent | Japan | 6,045 | 1,196 | |
| HOIKU ICT Co Ltd | Private | Subsidiary (of SEN Corporation ) | Japan | XYZ | XYZ | |
| Sri Lanka Telecom PLC | Public | Parent | Sri Lanka | 8,058 | 335 | |
| Vodafone Qatar QSC | Public | Parent | Qatar | XYZ | 860 | |
| PTT Digital Solutions Co Ltd | Private | Subsidiary (of PTT Public Co Ltd ) | Thailand | XYZ | XYZ | |
| MOSS ICT Consulting PLC | Private | Independent | Ethiopia | XYZ | XYZ |
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