- HyperframeUnited States
- HypergeneSweden
- HyperGridUnited States
- hypergroIndia
- Hyperion BiosystemsUnited States
- Hyperion SystemsAustralia
- HyperIoT CloudSri Lanka
- HyperKelpUnited States
- HyperknowUnited States
- HyperlayerUnited Kingdom
- HyperLendUnited States
- HyperlineFrance
- HyperlumeCanada
- HypermeteoItaly
- HYPERMINEFinland
- HypernanoPeople's Republic of China
- hypernovaSouth Korea
- HyperproofUnited States
- HyperrollUnited States
- HyperRoll Inc. (Acquired by Oracle in 2009)United States
- HYPERSPeople's Republic of China
- Hyperscale PowerSwitzerland
- HyperscienceUnited States
- Hypersen TechnologiesPeople's Republic of China
- HyperSiliconPeople's Republic of China
- HypersonicaGermany
- HypersoniqNetherlands
- HypersonixUnited States
- Hypersonix Launch SystemsAustralia
- HyperSpectralUnited States
- HyperstacksRepublic of the Philippines
- HyperthermUnited States
- HyperVergeUnited States
- Hyperway PharmPeople's Republic of China
- HypeteqIndia
- HyphaUnited Kingdom
- HyphenUnited States
- Hyphen Hydrogen EnergyNamibia
- Hyphen SolutionsUnited States
- Hypnos BedsUnited Kingdom
- HYPO OberösterreichAustria
- HyporiUnited States
- HYPRUnited States
- Hyprnote (YC S25)United States
- HYPS energyPeople's Republic of China
- hyptSwitzerland
- Hyrax OilMalaysia
- hyrdGermany
- HyrdingUnited States
- HyreDesk
- HyremoteUnited States
- HyreoUnited States
- HYSHPeople's Republic of China
- Hysp steel pipingPeople's Republic of China
- HysterSouth Africa
- Hyster-Yale GroupUnited Kingdom
- HySum FlexiblesPeople's Republic of China
- HYSUN PTYSpain
- Hytek Power CoPeople's Republic of China
- HytrolUnited States
- Hyundai CardSouth Korea
- Hyundai Easywell Co.South Korea
- Hyundai ElevatorSouth Korea
- Hyundai FuturenetSouth Korea
- Hyundai Heavy Industries Engine & MachinerySouth Korea
- Hyundai MobisSouth Korea
- Hyundai MotorsSouth Korea
- Hyundai Oilbank Co.South Korea
- Hyundai SteelSouth Korea
- Hyundai Steel CzechCzech Republic
- Hyundai Steel SlovakiaSlovakia
- Hyundai WeldingSouth Korea
- Hyundai WIASouth Korea
- HYUNDAI WIA Machine ToolUnited States
- HYUNDAI XTeerSouth Korea
- HyundaiCareers.com
- Hyunjin Materials Co.South Korea
- hyva-capital-equipmentItaly
- hyveUnited States
- Hyve LabsUnited States
- HyvesNigeria
- HyVolution ChileChile
- Hyvolution ParisFrance
- الحراسات
- الهدهد لخدمات النقل السريع - ليبيا
- 주식회사 혜움South Korea
- 한화토탈South Korea
- 北京People's Republic of China
- 华恒博睿营销传播管理机构 H'Brill Marketing & ConsultingPeople's Republic of China
- 哈囉好工網 hello-jobsPeople's Republic of China
- 宁波辉格休闲用品有限公司People's Republic of China
- 常州华联医疗器械集团股份有限公司People's Republic of China
- 恒逸石化 Hengyi PetrochemicalsPeople's Republic of China
- 惠州市恒泰科技股份有限公司People's Republic of China
- 日立セメント（株）Japan
- 河南能源化工集团有限公司
- 湖北华中光电科技有限公司
- 灰度集團Singapore
- 长沙海商网络技术有限公司People's Republic of China
