| Name | Country | Market Cap (US$) |
|---|
| Mountain Shades Distributing Company, Inc. | United States | Private |
| MOVI SPA | Italy | Private |
| Moyco Technologies, Inc. | United States | Private |
| Mp Biomedicals, Llc | United States | Private |
| MPS Dental GmbH | Germany | Private |
| MSA AUER GmbH | Germany | Private |
| MSC-Medical Services Company Inc | United States | Private |
| MTL SURGE PROTECTION LTD | United Kingdom | Private |
| Multigon Industries Inc | United States | Private |
| Multiple Peptide Systems, Inc. | United States | Private |
| MURAI CO.,LTD. | Japan | Private |
| MURANAKA MEDICAL INSTRUMENTS CO.,LTD. | Japan | Private |
| Muro Pharmaceutical Inc. | United States | Private |
| MUSASHI ENGINEERRING, K.K. | Japan | Private |
| MUTO MEDICAL INSTRUMENTS CO.,LTD. | Japan | Private |
| Mutoh Co. Ltd. | Japan | Private |
| MVE, Inc. | United States | Private |
| Mwi Veterinary Supply, Inc. | United States | Private |
| Mycone Dental Supply Co Inc | United States | Private |
| Myocor, Inc. | United States | Private |
| N H S LOGISTICS AUTHORITY | United Kingdom | Private |
| N S Low & Co Inc | United States | Private |
| N.D.L. Products, Inc. | United States | Private |
| NABARI IKA SANGYO K.K. | Japan | Private |
| NABERINFUJI SCIENCE CO,LTD. | Japan | Private |
| NAGATA MEDICAL, K.K. | Japan | Private |
| NAGOYA IRIKA SHOKAI, K.K. | Japan | Private |
| NAIGAI SHIZAI K.K. | Japan | Private |
| Nakagawa Seikodo, K.K. | Japan | Private |
| NAKAJIMA MEDICAL SUPPLY K.K. | Japan | Private |
| NAKANIHON MEDICAL LINK CO.,LTD. | Japan | Private |
| NAKANISHI OPTICAL PRODUCTS CORPORATION | Japan | Private |
| NAKANISHI VISION CO.,LTD. | Japan | Private |
| NAKATSUJI IKA KIKAI K.K. | Japan | Private |
| NAMBU IRIKA, K.K. | Japan | Private |
| NAMED SRL | Italy | Private |
| NANIWA RUBBER CO.,LTD. | Japan | Private |
| NanoGram Devices Corporation | United States | Private |
| Nanospectra Biosciences, Inc. | United States | Private |
| NARITA DENTAL, K.K. | Japan | Private |
| Nashville Dental, Inc | United States | Private |
| NASU NIKON, K.K. | Japan | Private |
| National Distribution & Contracting Inc | United States | Private |
| National Healthcare Manufacturing Corp | Canada | Private |
| National Leasing Co., Ltd. | Japan | Private |
| National Vision, Inc. | United States | Private |
| NEBASHI LENS SEISAKUSHO, K.K. | Japan | Private |
| Nellcor Puritan Bennett Incorporated | United States | Private |
| Neolens, Inc. | United States | Private |
| Neopath, Inc. | United States | Private |
| NEOTEC CO.,LTD. | Japan | Private |
| Neothermia Corporation | United States | Private |
| Nera Electronics Ltd | Singapore | Private |
| Neuromedical Systems, Inc. | United States | Private |
| Neuronetics, Inc | United States | Private |
| New Splint Ltd | United Kingdom | Private |
| New West Eyeworks, Inc. | United States | Private |
| Ney Dental Inc | United States | Private |
| NHL Intermediate Holdings Corp. II | United States | Private |
| NHS SHIZUOKA, K.K. | Japan | Private |
| Nice-Pak Products Inc. | United States | Private |
| Nicolay Services GmbH | Germany | Private |
| Nidek Co.,Ltd. | Japan | Private |
| Nigura Optik Gmbh | Germany | Private |
| NIHON ANGEL K.K. | Japan | Private |
| NIHON DENSHI OYO K.K. | Japan | Private |
| NIHON HAKUJUJISHA, Y.K. | Japan | Private |
| NIHON HOSPITAL SERVICE CO.,LTD. | Japan | Private |
| NIHON IRYOKI KENKYUSHO, K.K. | Japan | Private |
| NIHON KODEN CHUBU K.K. | Japan | Private |
| NIHON KODEN CHUSHIKOKU K.K. | Japan | Private |
| NIHON KODEN HOKKAIDO K.K. | Japan | Private |
| NIHON KODEN TOHOKU K.K. | Japan | Private |
| NIHON KODEN TOKYO K.K. | Japan | Private |
| NIHON KOHDEN HIGASHI KANTO CORP. | Japan | Private |
| NIHON KOHDEN KANSAI CORPORATION | Japan | Private |
| NIHON KOHDEN KITAKANTOH CORPORATION | Japan | Private |
| NIHON KOHDEN KYUSHU CORPORATION | Japan | Private |
| NIHON KOHDEN MINAMI KANTO CORPORATION | Japan | Private |
| NIHON KOHDEN TOMIOKA CORP. | Japan | Private |
| NIHON SHIKA SHOSHA, K.K. | Japan | Private |
| Nikken Corporation | Japan | Private |
| NIKKO IKA KIKAI K.K. | Japan | Private |
| Nikon Inc. | United States | Private |
| Nikon Instruments, Inc | United States | Private |
| Nikon Optical Canada Inc | Canada | Private |
| NIKON-ESSILOR CO.,LTD. | Japan | Private |
| NIPPON CONTACT LENS INC. | Japan | Private |
| NIPPON SENPAKU YAKUHIN CO.,LTD. | Japan | Private |
| NIPPON SHIKA KOGYOSHA CO.,LTD. | Japan | Private |
| NIPPON SIGMAX CO.,LTD. | Japan | Private |
| Nipro Medical Corp | United States | Private |
| NISHIMURA IRYOKI K.K. | Japan | Private |
| NISHIMURA KIKAI CO.,LTD. | Japan | Private |
| NISHINO IKA KIKAI, K.K. | Japan | Private |
| NISSEI MEDICAL, K.K. | Japan | Private |
| NISSHIN IRYOKI K.K. | Japan | Private |
| NISSHIN KIKAI K.K. | Japan | Private |
| Nissho Corporation | Japan | Private |
| NISSIN DENTAL CO.,LTD. | Japan | Private |
|