| Name | Country | Market Cap (US$) |
|---|
| KMtechnologies, Inc. | Canada | Private |
| Knowledgelink Interactive | United States | Private |
| KnowledgeWindow, Inc. | United States | Private |
| KOBIAN PTE LTD | Singapore | Private |
| KOCHI CASIO CO.,LTD. | Japan | Private |
| KODAI HITEC CO.,LTD. | Japan | Private |
| Kofax Image Products, Inc. | United States | Private |
| Komag Usa (Malaysia) Sdn | Malaysia | Private |
| Kommunleasing i Göteborg AB (Klab) | Sweden | Private |
| Komodo Entertainment Software SA | Sweden | Private |
| Koninklijke Landre & Glinderman N.V. | Netherlands | Private |
| Kontron America Inc | United States | Private |
| Kontron Canada Inc | Canada | Private |
| Kontron Mobile Computing Inc. | United States | Private |
| Kontron Modular Computers GmbH | Germany | Private |
| Korea Computer Holdings Inc | South Korea | Private |
| Korea High Tech Company Limited | South Korea | Private |
| KOSHIN LIMITED. | Japan | Private |
| KOUZIRO CO.,LTD. | Japan | Private |
| KRAFTWAY CORPORATION PLC ZAO | Russia | Private |
| Kronos, Inc. | United States | Private |
| KTW Software & Consulting GmbH | Austria | Private |
| Kurzweil Applied Intelligence, Inc. | United States | Private |
| Kvazar-micro.ru OOO | Russia | Private |
| Kyberpass Corporation | Canada | Private |
| KYOWA SEISAKUSHO, K.K. | Japan | Private |
| Kyrus Corporation | United States | Private |
| L P DIESELS TECHNOLOGY LTD | United Kingdom | Private |
| L-3 Communications Titan Corporation | United States | Private |
| L-3 COMMUNICATIONS U.K. LTD. | United Kingdom | Private |
| LA CIE LTD | United Kingdom | Private |
| LA CIE SRL | Italy | Private |
| Labo Eletronica S.A. | Brazil | Private |
| Lacy Diversified Industries (LDI) | United States | Private |
| LAIT LAZIO INNOVAZIONE TECNOLOGICA SPA | Italy | Private |
| Lakefront Capital Llc | United States | Private |
| LAN TECHNICAL SERVICE CO.,LTD. | Japan | Private |
| Lancity Corporation | United States | Private |
| Landmark Graphics Corporation | United States | Private |
| Landor Holding AG | Switzerland | Private |
| LANETRO ZED S.A. | Spain | Private |
| Langchao (Beijing) Electronic Information Industry Co., Ltd. | China | Private |
| LANNER ELECTRONICS INC. | Taiwan | Private |
| Länsförsäkringar IT Center AB | Sweden | Private |
| Larscom, Inc. | United States | Private |
| Lasertechnics, Inc. | United States | Private |
| Latitude Communications | United States | Private |
| LATTELECOM TECHNOLOGY SIA | Latvia | Private |
| LAUREL KIKAI K.K. | Japan | Private |
| Lawson International Ab | Sweden | Private |
| LBI LTD | United Kingdom | Private |
| LCI Computer Group N.V. | Netherlands | Private |
| LDI Corporation | United States | Private |
| Lead Dog Design Inc | United States | Private |
| Leapnet Inc | United States | Private |
| Learning Technology plc | United Kingdom | Private |
| Learningstation | United States | Private |
| Lease Plan Management N.V. | Belgium | Private |
| LEASEPLAN INFRASTRUCTURE SERVICES LTD | Republic of Ireland | Private |
| LECCO Technology Limited | United States | Private |
| LEFEBVRE SOFTWARE | France | Private |
| Legacy Software, Inc. | United States | Private |
| Legato Systems, Inc. | United States | Private |
| LEGEND (AUSTRALASIA) PTY LTD | Australia | Private |
| Lenovo (Beijing) Limited | China | Private |
| Letraset A/S (Danmark A/S) | Denmark | Private |
| Lewtan Technologies, Inc | United States | Private |
| LexCom Informationssysteme GmbH | Germany | Private |
| LG Electronics (Kunshan) Computer Co., Ltd. | China | Private |
| LG Electronics Mexicali, S.A. de C.V. | Mexico | Private |
| Lgs Group Inc | Canada | Private |
| LH Comlog A/S | Denmark | Private |
| LHS Group, Inc. | United States | Private |
| Liberate Technologies (Inc) | United States | Private |
| Liechti Engineering AG | Switzerland | Private |
| Link Up Technology (Suzhou) Co., Ltd. | China | Private |
| Linux Center (HK) Ltd. | Hong Kong | Private |
| Linux Networx, Inc. | United States | Private |
| LIONHEAD LTD | United Kingdom | Private |
| Liquid Computing Corporation | Canada | Private |
| LiquidPoint LLC | United States | Private |
| liyama Deutschland GmbH | Germany | Private |
| Loantrader Inc | United States | Private |
| Lobster Network Storage AG | Germany | Private |
| Lockheed Martin Electro-Optical Sys. | United States | Private |
| LockStream Corporation | United States | Private |
| LOGIC SYSTEMS MANAGEMENT LTD | United Kingdom | Private |
| LOGICACMG LTD | Republic of Ireland | Private |
| Logicacmg Wireless Networks B.V. | Netherlands | Private |
| Logictier Inc | United States | Private |
| LOGISTICS TECHNOLOGY GROUP LTD | United Kingdom | Private |
| LOGISTRON SERVICES PTE LTD | Singapore | Private |
| LOMBARDIA INTEGRATA SPA-SERVIZI INFOTELEMATICI PER IL TERRITORIO | Italy | Private |
| Longshore Systems, Inc. | United States | Private |
| Lorien plc | United Kingdom | Private |
| Loronix Information Systems, Inc. | United States | Private |
| Lotus Development Corporation | United States | Private |
| LOTUS DEVELOPMENT UNITED KINGDOM LTD | United Kingdom | Private |
| Lotus International Company | United States | Private |
| Loudeye Technologies Inc | United States | Private |
|