| Name | Country | Market Cap (US$) |
|---|
| HAMAMATSU PHOTONICS FRANCE | France | Private |
| Hammond Electronics Inc | United States | Private |
| Handelsagentur Gerhard Witter-GmbH | Germany | Private |
| HANDEM SA | Spain | Private |
| HANNSTAR DISPLAY CORPORATION KAOHSIUNG BRANCH | Taiwan | Private |
| Hans Turck GmbH & Co. KG | Germany | Private |
| Hanser Holdings, Inc. | United States | Private |
| Happ Controls Inc | United States | Private |
| HARADA CORPORATION | Japan | Private |
| Harting (HK) Limited | Hong Kong | Private |
| HARTING Deutschland GmbH & Co.KG | Germany | Private |
| Harting Inc (Del) | United States | Private |
| Harting Inc Of North America | United States | Private |
| HARVARD INTERNATIONAL LTD | United Kingdom | Private |
| Haverstock, Bowers & Associates Inc | United States | Private |
| HB - HOLDING, a.s. | Czech Republic | Private |
| Heartland Label Printers, Inc | United States | Private |
| Heath Company Limited | Hong Kong | Private |
| Hebei Hengxin Industrial Co., Ltd. | China | Private |
| Hefei Songlian Telecommunications Appliance Co., Ltd. | China | Private |
| Heidelberg Finland Oy | Finland | Private |
| Heidelberg Praha spol. s r.o. | Czech Republic | Private |
| Heilongjiang Post & Telecom Equipment Co. Appliances Co. | China | Private |
| Hekatron Vertriebs GmbH | Germany | Private |
| Held Telekommunikation GmbH | Germany | Private |
| Helitek Company, Ltd | United States | Private |
| Hello Direct, Inc. | United States | Private |
| Helmut Räber Kommunikationstechnik GmbH | Germany | Private |
| Henan Channel Weiye Electronic Communication Co., Ltd. | China | Private |
| Henan Kaida International Economic & Trading Development Co., Lt | China | Private |
| Henan Nuoxin Telecommunication Co., Ltd. | China | Private |
| HENSHEN ELECTRIC TRADING CO., LTD. | Taiwan | Private |
| HEPECA SA | Spain | Private |
| Hermanex Europe B.V. | Netherlands | Private |
| Hermans Retail B.V. | Netherlands | Private |
| Herweck AG | Germany | Private |
| HESA SPA | Italy | Private |
| HEWLETT-PACKARD PORTUGAL, LDA | Portugal | Private |
| HEXA-CHAIN CO., LTD. | Taiwan | Private |
| Hi-Level Technology Limited | Hong Kong | Private |
| Hi-Line Electric Company Inc | United States | Private |
| HI-MEC ELECTRONICS CORPORATION. | Japan | Private |
| Hi3G Denmark ApS | Denmark | Private |
| Hickory Tech Enterprise Solutions, Inc | United States | Private |
| High Definition Electronics, Inc | United States | Private |
| Hikari Alphax Electronics (HK) Co., Limited | Hong Kong | Private |
| HIKOM.,LTD. | Japan | Private |
| Hilby-Yates, Inc | United States | Private |
| Hilco, Inc | United States | Private |
| HILEVEL CONSUMER ITALIA SPA | Italy | Private |
| Hillmann & Ploog (GmbH & Co.) KG | Germany | Private |
| Hing Lung Technology (HK) Company Limited | Hong Kong | Private |
| HIPCO PTE LTD | Singapore | Private |
| Hirai Seimitsu, K.K. | Japan | Private |
| HIREL CO. LTD. | Japan | Private |
| Hirschmann Automation and Control GmbH | Germany | Private |
| Hirschmann Electronics, Inc | United States | Private |
| Hisense (Hong Kong) Company Limited | Hong Kong | Private |
| Hitachi Australia Limited | Australia | Private |
| HITACHI EUROPE LTD | United Kingdom | Private |
| HITACHI EUROPE S.A. | Spain | Private |
| HITACHI HIGH-TECH MATERIALS CORPORATION | Japan | Private |
| Hitachi High-Technologies (Shanghai) Co., Ltd. | China | Private |
| HITACHI HIGH-TECHNOLOGIES (SINGAPORE) PTE. LTD. | Singapore | Private |
| HITACHI KASEI SHOJI CO.,LTD. | Japan | Private |
| Hitachi Kokusai Electric America Ltd | United States | Private |
| Hitachi Power Tools Europe GmbH | Germany | Private |
| HITACHI-LG DATA STORAGE,INC. | Japan | Private |
| HOEI ELECTRONICS (S) PTE LTD | Singapore | Private |
| Hoei Hong Kong Company Limited | Hong Kong | Private |
| Hoermann GmbH Stade | Germany | Private |
| HOLD LEADING INTERNATIONAL CO., LTD. | Taiwan | Private |
| Holtek Semiconductor (Hong Kong) Limited | Hong Kong | Private |
| Honestar Technologies Company Limited | Hong Kong | Private |
| HONEYWELL SECURITY ITALIA SPA | Italy | Private |
| HONEYWELL SRL | Italy | Private |
| Hong Da Industrial Company | Hong Kong | Private |
| Hong Kong Communications Equipment Company Limited | Hong Kong | Private |
| Hong Kong Hosiden Limited | Hong Kong | Private |
| Hong Kong Miyakawa Co., Limited | Hong Kong | Private |
| Hong Kong Ryosan Limited | Hong Kong | Private |
| Hong Kong Sinbon Electronics Co., Limited | Hong Kong | Private |
| Hongdin International Trading Limited | Hong Kong | Private |
| Honko International Holdings Limited | Hong Kong | Private |
| Horst Karcher | Germany | Private |
| Hosiden Europe GmbH | Germany | Private |
| HOSIDEN SINGAPORE PTE LTD | Singapore | Private |
| Hotan Corporation | United States | Private |
| Hualon Microelectronics Corp. | Taiwan | Private |
| Huawei Tech. Investment Co., Limited | Hong Kong | Private |
| Huawei Technologies Co. Ltd | Hong Kong | Private |
| Huber & Suhner GmbH | Germany | Private |
| Huber + Suhner (Usa) Corporation | United States | Private |
| HUEI YUAN ELECTRONICS CO., LTD. | Taiwan | Private |
| Hunan Feihong Technology Co., Ltd., | China | Private |
| Hung Kay Industrial Company Limited | Hong Kong | Private |
| Hung Nien Electronics Limited | Hong Kong | Private |
| Hutchison 3G Austria GmbH | Austria | Private |
| Hutchison 3G Ireland Limited | Republic of Ireland | Private |
| Hymat Oy | Finland | Private |
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