| S.No. | Organization | Contact Number |
|---|---|---|
| 1 | A. O. Smith India Water Products Private Limited | 1800-103-2468, 1860-500-2468 |
| 2 | Aakash Institute | 1800-212-0329 |
| 3 | Abhyudaya Co-Operative Bank Limited | 1800-229-699 |
| 4 | ACC Limited | 1800-103-3444 |
| 5 | Accurex Biomedical Private Limited | 1800-209-8456 |
| 6 | Acer India Private Limited | 1800-103-2237, 1800-11-4100, 1800-3000-1919 |
| 7 | Acer India Private Limited | 1860-120-2019, 1800-116-677 , 1800-114-100 |
| 8 | Acko General Insurance Limited | 1860-266-2256 |
| 9 | Adani Gas Limited | 1800-233-55555 |
| 10 | Adarsh Credit Co-Operative Society Limited | 1800-3000-3100 |
| 11 | Additional Director General | 1800-111-550 |
| 12 | Adesh Medical College & Hospital, Kurukshetra | 1800-274-0512 |
| 13 | Aditya Birla Sun Life AMC Limited | 1800-270-7000 |
| 14 | Aditya Birla Sun Life Insurance Company Limited | 1800-270-7000 |
| 15 | Ador Welding Limited | 1800-233-1071 |
| 16 | Advanced Hair Studio | 18001031191 |
| 17 | Aegon Life Insurance Company Limited | 1800-120-4433 |
| 18 | Agilent Technologies India Private Limited | 1800-180-1517, 1800-102-7906 |
| 19 | Agmatel India Private Limited | 1800-113-233 |
| 20 | Agriculture Insurance Company of India Limited (AIC) | 1800-116-515 |
| 21 | Aimil Limited | 1800-572-1330 |
| 22 | Air India Limited | 1860-233-1407 |
| 23 | Ajanta LLP | 1800-890-2808 |
| 24 | Ajanta Manufacturing Private Limited (OREVA Group) | 1800-120-4445 |
| 25 | Ajax Engineering Private Limited | 1800-419-0628 |
| 26 | Ajmer Vidyut Vitran Nigam Limited (AVVNL) | 1800-180-6565 |
| 27 | Akal University | 1800-202-0100 |
| 28 | Alkem Laboratories Limited | 1800-103-1414 |
| 29 | All India Institute of Speech & Hearing (AIISH) | 1800-425-5218 |
| 30 | Allengers Medical Systems Limited | 1800-266-8800 |
| 31 | Altis Hotel | 1800-102-4344 |
| 32 | American Express Banking Corp. (Amex) | 1800-419-1222 |
| 33 | American Express Banking Corp. (Amex) | 1800-419-2122 |
| 34 | American India Foundation (AIF) | 1800-243-4463 |
| 35 | American International Institute of Medical Sciences (AIIMS) | 1800-123-3600 |
| 36 | Amity University Punjab | 1800-202-6489 |
| 37 | Amway India Enterprises Private Limited (AIEPL) | 1800-180-0789 |
| 38 | Anand & Anand | 1800-137-4800 |
| 39 | Ananda Dairy International Limited | 1800-102-8397 |
| 40 | Andhra Medical College (AMC) | 1800-425-2131 |
| 41 | Andhra Pradesh State Christian (Minorities) Finance Corporation (APSCMFC) | 1800-425-1068 |
| 42 | Andhra Pradesh State FiberNet Limited (APSFL) | 1800-599-5555 |
| 43 | Andhra Pradesh State Skill Development Corporation (APSSDC) | 1800-425-2422 |
| 44 | Andhra Pradesh Tourism Development Corporation Limited (APTDC) | 1800-425-45454 |
| 45 | Ands Lite Private Limited | 1800-116-913 |
| 46 | AnG India Limited | 1800-111-264 |
| 47 | Anupam Kher's Actor Prepares | 1800-209-1231 |
| 48 | APL Apollo Tubes Limited | 1800-103-1331, 1800-102-3737 |
| 49 | Apollo Fertility, Brookefield | 1860-500-4424 |
| 50 | Apollo Health & Lifestyle Limited (AHLL) | 1860-500-7788 |
| 51 | Apollo Hospitals | 1860-500-1066 |
| 52 | Apollo Munich Health Insurance Company Limited | 1800-103-0555 |
| 53 | Apollo Proton Cancer Centre (APCC) | 1800-347-4587, 1860-500-2850 |
| 54 | Apollo Specialty Hospitals Private Limited | 1860-500-4424 |
| 55 | Apollo Tyres Limited | 1800-212-7070 |
| 56 | APP (India) Paper Private Limited | 1800-212-1299 |
| 57 | Apparel Export Promotion Council (AEPC) | 1800-180-7000 |
| 58 | Apparel Training & Design Centre (ATDC) | 1800-180-7000 |
| 59 | Armor Protective Packaging India Private Limited | 1800-365-1117 |
| 60 | Army College of Medical Sciences (ACMS) | 1800-112-878 |
| 61 | Army Welfare Placement Organisation (AWPO) | 1800-119-922 |
| 62 | Arraycom (India) Limited | 1800-233-2462 |
| 63 | Artificial Limbs Manufacturing Corporation of India (ALIMCO) | 1800-180-5129 |
| 64 | Ashok Leyland Limited | 1800-102-2666 |
| 65 | Asia-Pacific Institute of Management | 1800-113-334 |
| 66 | Asian Law College (ALC) | 1800-103-3032 |
| 67 | Asian Paints Limited | 1800-209-5678 |
| 68 | ASICS India Private Limited | 1800-221-218 |
| 69 | ASK-EHS Engineering & Consultant Private Limited | 1800-233-2474 |
| 70 | Assam Inland Water Transport Development Society (AIWTDS) | 1800-889-4717 |
| 71 | Assam State Transport Corporation (ASTC) | 1800-345-3986 |
| 72 | Assam State Urban Livelihoods Mission Society (ASULMS) | 1800-123-167167 |
| 73 | Assistant Excise and Taxation Commissioner | 1800-258-2580 |
| 74 | Association for Democratic Reforms (ADR) | 1800-110-440 |
| 75 | Asteria Aerospace Limited | 1800-891-3361 |
| 76 | Astral Limited | 1800-233-7957 |
| 77 | Au Small Finance Bank Limited | 1800-120-01200 |
| 78 | Audi India | 1800-419-5757, 1800-210-6984 |
| 79 | Auro Power Systems | 1800-300-3152 |
| 80 | Avaya India Private Limited | 1800-103-0093 |
| 81 | Aveda Hotels & Resorts | 1800-102-4344 |
| 82 | AVG Logistics Limited | 1800-103-9665 |
| 83 | Aviva Life Insurance Company India Limited | 1800-103-7766 |
| 84 | Awadh | 1800-419-8090 |
| 85 | Axiom Ayurveda | 1800-300-08586 |
| 86 | Axis Asset Management Company Limited | 180-300-03300 |
| 87 | Ayushman Bharat Haryana Health Protection Authority (AB-HHPA) | 1800-111-565 |
| 88 | Azim Premji Foundation | 1800-274-0101 |
Customer Care, Customer Care Numbers, Customer Service, Customer Support, Helpline Numbers, Product Support, Telephone numbers, Toll Free Number, Technical Support, Technical Customer Care, HelpDesk, HelpLine, Customer Support, Support Helpline, Support Desk