| S.No. | Organization | Contact Number |
|---|---|---|
| 1 | H & R Johnson (India) | 1800-210-7484, 1800-227-484 |
| 2 | Haier Appliances (India) Private Limited | 1800-102-9999, 1800-200-9999 |
| 3 | Haier Appliances India Private Limited | 1800-102-9999, 1800-200-9999 |
| 4 | Haier India Appliances Private Limited | 1800-419-9999 |
| 5 | Haldia Development Authority | 1800-345-3224 |
| 6 | Hamdard Laboratories (India) | 1800-180-0600 |
| 7 | Hansgrohe India Private Limited | 1800-209-3246 |
| 8 | Harman International (India) Private Limited | 1800-208-8880 |
| 9 | Harrison Locks | 1800-572-5795 |
| 10 | Haryana Enterprises Promotion Centre (HEPC) | 1800-180-2132 |
| 11 | Haryana Institute of Public Administration (HIPA) | 1800-180-0512 |
| 12 | Haryana Kaushal Rozgar Nigam Limited (HKRNL) | 1800-180-2136 |
| 13 | Haryana Public Health Engineering Department (PHED) | 1800-180-5678 |
| 14 | Haryana Roadways | 1800-180-2097 |
| 15 | Haryana School Shiksha Priyojna Parishad (HSSPP) | 1800-180-0090 |
| 16 | Haryana Shehri Vikas Pradhikaran (HSVP) | 1800-180-3030 |
| 17 | Haryana State Agricultural Marketing Board (HSAMB) | 1800-180-2060 |
| 18 | Haryana State AIDS Control Society (HSACS) | 1800-180-2067 |
| 19 | Haryana State Board of Technical Education (HSBTE) | 1800-420-2026 |
| 20 | Haryana State Legal Services Authority (HSLSA) | 1800-180-2057 |
| 21 | Haryana State Technical Education Society (HSTES) | 1800-420-2026 |
| 22 | Haryana Urban Development Authority (HUDA) | 1800-108-3030 |
| 23 | Haryana Urban Development Authority (HUDA) | 1800-180-2097, 1800-180-3030 |
| 24 | Haryana Urban Development Authority (HUDA) | 1800-180-3030 |
| 25 | Haryana Urban Development Authority (HUDA) | 1800-180-3030, 1800-180-2097 |
| 26 | Hathway Broadband Internet | 1800-113-114 |
| 27 | Havells India Limited | 1800-11-0303, 1800-103-1313 |
| 28 | Havells India Limited | 1800-110-303, 1800-103-1313 |
| 29 | HDFC Bank Limited | 1800-224-060 |
| 30 | HDFC ERGO General Insurance Company Limited | 1800-270-0700 |
| 31 | HDFC Standard Life Insurance Company Limited | 1800-266-9777 |
| 32 | HDFC Standard Life Insurance Company Limited | 1860-267-9999, 1800-266-9777, 1800-227-227 |
| 33 | Health Insurance TPA of India Limited (HITPA) | 1800-180-3600, 1800-102-3600 |
| 34 | HelpAge India | 1800-180-1253 |
| 35 | Heritage Foods Limited | 1800-425-2931 |
| 36 | Hero Cycles Limited | 1800-208-4376 |
| 37 | Hero FinCorp Limited | 1800-102-4145, 1800-103-5271 |
| 38 | Hero MotoCorp Limited | 1800-266-0018 |
| 39 | Hetero Healthcare Limited | 1800-103-4696 |
| 40 | Hetero Labs Limited | 1800-120-8689 |
| 41 | Hettich India Private Limited | 1800-209-2096 |
| 42 | Himachal Pradesh Gramin Bank | 1800-180-7777 |
| 43 | Himachal Pradesh Gramin Bank (HPGB) | 1800-180-7777 |
| 44 | Himachal Pradesh Public Service Commission ( HPPSC) | 1800-180-8004 |
| 45 | Himachal Pradesh State Electricity Board Limited (HPSEBL) | 1800-180-8060, 1912 |
| 46 | Himachal Road Transport Corporation (HRTC) | 1800-180-8185, 1100 |
| 47 | Himalayan Bio Organic Foods Limited | 1800-120-2341 |
| 48 | Himalayan Harley-Davidson | 1800-102-6180 |
| 49 | Himalayan Institute of Medical Sciences | 1800-121-0266 |
| 50 | Hinduja Housing Finance Limited | 1800-300-59555 |
| 51 | Hindustan Coca-Cola Beverages Private Limited | 1800-180-2653 |
| 52 | Hindustan Pencils Private Limited | 1800-222-621 |
| 53 | Hindustan Unilever Limited (HUL) | 1800-102-2221 |
| 54 | Hindware Home Retail Private Limited | 1800-120-7577 |
| 55 | Hitachi Hi-Rel Power Electronics Private Limited | 1800-419-0998 |
| 56 | Hitachi India Private Limited | 1800-102-0092 |
| 57 | Hitbullseye | 1800-572-7345, 1800-572-7346 |
| 58 | Honda Cars India Limited (HCIL) | 1800-113-121 |
| 59 | Honda Motorcycle & Scooter India Private Limited (HMSI) | 1800-103-3434 |
| 60 | Honda Siel Poer Products Limited | 1800-112-323 |
| 61 | Honeywell Automation India Limited | 1800-103-3848 |
| 62 | Honeywell Electrical Devices and Systems India Limited | 1800-103-3848 |
| 63 | Honeywell International (india) Private Limited (HIIPL) | 1800-103-4761 |
| 64 | Honeywell International India Private Limited | 1800-102-1234 |
| 65 | House of Veda Private Limited | 1800-270-1125 |
| 66 | HPL Electric & Power Limited (HPL) | 1800-419-0198 |
| 67 | Hyderabad Metropolitan Development Authority (HMDA) | 1800-425-8838 |
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