| ＜Corporate Buildings＞ |
| Air Liquide Japan G.K. |
| ALPHA SYSTEMS INC. |
| Chuoh Medical Academy Educational Corporation (Scheduled to open in April 2027) |
| Nifco Inc. |
| NTT DOCOMO, Inc. |
| NTT Yokosuka R&D Center |
| Telecom Engineering Center |
| V-Technology Co., Ltd. |
| YAMASHIN-FILTER CORP. |
| YAZAKI Corporation |
|
| ＜YRP Center No.1 Building＞ |
| Communication Business Avenue Inc. |
| Cyber Research Consortium |
| Cyber Security Talent Infrastructure Association |
| Japan OTIC |
| Kumagai Gumi Co., Ltd. |
| National Institute of Information and Communications Technology |
| ProGATE Co., Ltd. |
| Rakuten Mobile, Inc. |
| Ubiquitous Computing Technology Corporation |
| Yokosuka Center for Industrial, Academic, and Governmental Exchange |
| – Keio University (Nakazawa Lab.) |
| – Kyoto University (Harada Lab.) |
| – Nagoya University (Kawaguchi Lab.) |
| – Reitaku University (Chin Lab.) |
| – Shinshu University(Tan Lab.) |
| – Shonan Institute of Technology(Okazaki & Nakashige Lab.) |
| – The University of Tokyo (Hiraki Lab.) |
| – The University of Tokyo (Koshizuka Lab.) |
| – Tohoku University (Kato Lab.) |
| – Toyo University (Sakamura Lab.) |
| – YRP International Alliance Institute |
| Yokosuka Research Park, Inc |
| YRP R&D Promotion Committee |
|
| ＜YRP Center No.2 Building＞ |
| FUJITSU LIMITED |
| ITOCHU Techno-Solutions Corporation |
| KEIKYU SERVICE CO., LTD. |
| National Institute of Information and Communications Technology |
|
| ＜YRP Venture Building＞ |
| art.cover |
| AZing Co., Ltd. |
| DAYNITE Co.,Ltd. |
| DELE corp. |
| Early Bird Institute, administrative scrivener corp. |
| Early Bird Institute, Inc. |
| Entertainment Marketing |
| FFRI Security, Inc. |
| Fullton inc. |
| GenuineR&D |
| Hikarinooka Dental Clinic |
| Information Productivity Promotion Corp |
| Japan Marine Education Creative Support |
| KDDI Research, Inc. |
| Keysight Technologies, Inc. |
| LocaliST, Co.,Ltd. |
| movado-system Co., Ltd. |
| National Institute of Information and Communications Technology |
| NDS.TS CO., Ltd. |
| Net One Systems Co., Ltd. |
| Nokia Solutions and Networks Japan Corp. |
| Nonprofit Organization Institute of Industrial Cluster |
| NTC Technology |
| NTT DATA MSE CORPORATION |
| NTT EAST-MINAMIKANTO CORPORATION |
| NTT TechnoCross Service Corporation |
| Panasonic Connect Co., Ltd. |
| Pet Protect |
| ReWork |
| Softbank Mobile Co. |
| Yokosuka Electrical Technology |
| YRP Information Industry Cooperative Society |
|
| ＜Hotel, Restaurants, Shop＞ |
| Keikyu EX Inn Yokosuka Research Park |
| Roseteria |
| Lawson Bank, Inc.(ATM) |
