| S.No. | Organization | Contact Number |
|---|---|---|
| 1 | R. S. Components & Controls (India) Limited | 1800-103-5282 |
| 2 | Racold Thermo Limited | 1860-425-2288 |
| 3 | Radiant Info Solutions Private Limited | 1800-419-6619 |
| 4 | Rahimafrooz Batteries Limited | 1800-111-818 |
| 5 | RailTel Corporation of India Limited | 1800-103-9139, 1800-117-245 |
| 6 | Railway Recruitment Board, Bhubaneswar (RRBBBS) | 182 |
| 7 | Rainbow Children's Medicare Limited | 1800-212-2 |
| 8 | Raipur Development Authority (RDA) | 1800-233-7188 |
| 9 | Rajasthan Agricultural Competitiveness Project Management & Implementation Society (RACPMIS) | 1800-212-4214 |
| 10 | Rajasthan State Pollution Control Board (RPCB) | 1800-180-6127 |
| 11 | Rajasthan Tourism Development Corporation Limited (RTDC) | 1800-103-3500 |
| 12 | Rajasthan University of Veterinary and Animal Sciences (RAJUVAS) | 1800-180-6224 |
| 13 | RAK Ceramics India Private Limited | 1800-102-5829 |
| 14 | Reader's Digest | 1800-180-0001 |
| 15 | Reckitt Benckiser (India) Private Limited | 1800-102-7245 |
| 16 | Recorders & Medicare Systems Private Limited | 1800-120-0767 |
| 17 | Reeford Ventures Private Limited | 1800-102-6702 |
| 18 | Regional Faculties of Science, Chandigarh | 1800-137-0070 |
| 19 | Reliance Commercial Finance Limited | 1800-210-3030 |
| 20 | Reliance Communications Limited (RCOM) | 1800-200-1100 |
| 21 | Reliance Communications Limited (RCOM) | 1800-300-07777 |
| 22 | Reliance Jio Infocomm Limited | 1800-889-9999, 1800-889-3999 |
| 23 | Reliance Jio Infocomm Limited (RJIL) | 1800-890-9999 |
| 24 | Reliance Nippon Life Insurance Company Limited | 1800-102-1010 |
| 25 | Reliance Nippon Life Insurance Company Limited | 1800-300-11111, 1800-300-08181 |
| 26 | Reliance Retail Limited | 1800-102-7382 |
| 27 | Reliance Signature | 1800-102-7382, 1800-891-0001 |
| 28 | RelianceFresh | 1800-102-7382 |
| 29 | Religare Finvest Limited | 1860-300-04111 |
| 30 | Religare Finvest Limited (RFL) | 1860-266-4111 |
| 31 | Republic of Chicken | 1860-500-1033 |
| 32 | Resideo International (India) Private Limited | 1800-103-9744 |
| 33 | Resonance Eduventures Limited | 1800-258-5555 |
| 34 | Reynolds Pens | 1800-300-01602 |
| 35 | Rhinox India | 1800-120-6232 |
| 36 | RichFeel Trichology Centre | 1800-200-5677 |
| 37 | Ricoh India Limited | 1800-103-0066, 1800-116-600 |
| 38 | RIMT Engineering Institutes | 1800-137-0022 |
| 39 | Rittal India Private Limited | 1800-419-1065 |
| 40 | Rivigo Services Private Limited | 1800-121-8966 |
| 41 | RoadPoint Limited | 1800-843-7555 |
| 42 | ROC Foods Limited | 1860-500-1033 |
| 43 | Roche Products (India) Private Limited | 1800-833-3374 |
| 44 | Royal Enfield | 1800-210-0007 |
| 45 | Rudrabhishek Enterprises Private Limited | 1800-120-5059 |
| 46 | Rupa & Company Limited | 1800-123-5001 |
| 47 | Rusan Pharma Limited | 1800-266-0515 |
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