| 1 | Advanced Online Classes | Srilanka | Kandy | 59/4, Muruthalawa Road, | Central Province | N/A | N/A | 2023 | $59,815,000,000 | 1 | N/A | N/A | 6922 |
| 2 | Unilever Sri Lanka LIMITED | Srilanka | Colombo | 258, M Vincent Perera Mawatha | Western Province | 1400 | N/A | 1938 | $24,340,320,000 | 160,000 | N/A | N/A | N/A |
| 3 | Cable Solutions PLC | Srilanka | Gampaha | Ranmuthugala Estate | Western Province | N/A | N/A | 2024 | $10,633,598,681 | 341 | N/A | N/A | PQ00286030 |
| 4 | Vallibel One PLC | Srilanka | Colombo | World Trade Centre Level 29 West Tower | Western Province | 00100 | N/A | 2010 | $3,538,966,561 | 13,793 | N/A | N/A | PB3831 |
| 5 | Ceylon Petroleum CORPORATION | Srilanka | Colombo | Ceypetco House | Western Province | 00900 | N/A | 1962 | $3,116,697,433 | 2,617 | N/A | N/A | 409000053 |
| 6 | Maga Engineering (private) LIMITED | Srilanka | Colombo | 200 | Western Province | 05 | N/A | 1984 | $2,833,985,250 | 10,350 | N/A | N/A | PV374 |
| 7 | Mas Holdings (private) LIMITED | Srilanka | Colombo | No. 199, Kaduwela Road | Western Province | 10120 | N/A | 2009 | $2,565,770,000 | 10,000 | N/A | N/A | PV113024 |
| 8 | Daya Group Of Companies | Srilanka | Boralesgamuwa | 362, Colombo Road | Western Province | N/A | N/A | 2008 | $2,462,112,892 | 9,596 | N/A | N/A | PV 9163 |
| 9 | Dsi Samson Group Private LIMITED | Srilanka | Colombo | 110 Kumaran Ratnam Road | Western Province | 2 | N/A | 1988 | $1,924,327,500 | 7,500 | N/A | N/A | N ( PVS ) 4148 |
| 10 | Ceylon Electricity Board | Srilanka | Colombo | 3rd Floor | Western Province | 00200 | N/A | 1969 | $1,878,979,546 | 10,000 | N/A | N/A | N/A |
| 11 | Phoenix Industries LIMITED | Srilanka | Colombo | 3rd Floor | Western Province | 03 | N/A | 2007 | $1,542,645,000 | 45,000 | N/A | N/A | PB87 |
| 12 | Sri Lanka Air Force | Srilanka | Colombo | No 140 | Western Province | 2 | N/A | 1972 | $1,527,470,000 | 10,000 | N/A | N/A | N/A |
| 13 | Sri Lanka Police | Srilanka | Colombo | Police Headquarters | Western Province | 01 | N/A | 1948 | $1,476,900,000 | 10,000 | N/A | N/A | N/A |
| 14 | Ocean Network Express Lanka PVT LTD | Srilanka | Colombo | 349 8/1, Galle Road | Western Province | 03 | N/A | 2018 | $1,437,280,000 | 10,000 | N/A | N/A | PV127631 |
| 15 | The Ministry Of Health, Indigenous Medicine, Social Welfare, Probation And Child Care Serv | Srilanka | Kandy | Sangaraja Mawatha | Central Province | 20000 | N/A | N/A | $1,202,160,000 | 10,000 | N/A | N/A | N/A |
| 16 | People's Bank | Srilanka | Colombo | No. 75, Sir Chittampalam | Western Province | 02 | N/A | 1961 | $1,199,818,522 | 7,562 | N/A | N/A | 409000037 |
| 17 | Courtaulds Trading Company (private) LIMITED | Srilanka | N/A | 487 & 516, Palugahawela | N/A | N/A | N/A | 2010 | $1,133,860,000 | 6,500 | N/A | N/A | PV70977 |
| 18 | Hellmann Worldwide Logistics (private) LIMITED | Srilanka | Colombo | 50/25 A, Sir James Peiris Mawatha | Western Province | N/A | N/A | 1982 | $1,079,315,637 | 12,237 | N/A | N/A | PV4615 |
| 19 | Sri Lankan Airlines LIMITED | Srilanka | Colombo | Airline Centre | Western Province | 11450 | N/A | 2007 | $1,074,570,984 | 7,500 | N/A | N/A | PB67 |
| 20 | Walker Sons & CO LTD | Srilanka | Colombo | 250 Sri Ramanathan | Western Province | N/A | N/A | 1975 | $1,045,748,718 | 567 | N/A | N/A | PBS 869 (SP) |
| 21 | Provincial Director Of Health Services Office - Sabaragamuwa | Srilanka | Ratnapura | No 75, Dharmapala Mawatha | Sabaragamuwa Province | N/A | N/A | N/A | $999,218,720 | 8,770 | N/A | N/A | N/A |
| 22 | Dynacom Engineering (private) LIMITED | Srilanka | Colombo | Iws Center 451 A | Western Province | N/A | N/A | 1990 | $951,112,800 | 7,200 | N/A | N/A | PV8901 |
| 23 | Commercial Bank Of Ceylon PLC | Srilanka | Colombo | Commercial House No. 21 | Western Province | 01 | N/A | 1984 | $926,063,023 | 3,000 | N/A | N/A | PQ116 |
| 24 | The Central Bank Of Sri Lanka | Srilanka | Rajaginya | No. 30, Janadhipathi Mawatha | Western Province | 00100 | N/A | 1985 | $911,435,161 | 1,198 | N/A | N/A | PBS 101 |
| 25 | Board Of Investment Of Sri Lanka | Srilanka | Colombo | Level 24, West Tower, | Western Province | 1 | N/A | 1978 | $905,495,000 | 5,000 | N/A | N/A | 409038018 |
| 26 | Laugfs Holdings LIMITED | Srilanka | Colombo | 101, Maya Avenue | Western Province | 06 | N/A | 2010 | $898,019,500 | 3,500 | N/A | N/A | PB1508 |
| 27 | Lanka Ioc PLC | Srilanka | Colombo | Level 20, West Tower | Western Province | 01 | N/A | 2004 | $848,954,850 | 159 | N/A | N/A | PQ179 |
| 28 | Sumithra Garments (private) LIMITED | Srilanka | N/A | No. 33 | N/A | 11104 | N/A | 2010 | $790,150,000 | 5,000 | N/A | N/A | PV1526 |
| 29 | Aberdeen Holdings (private) LIMITED | Srilanka | Colombo | 300, R.a.de Mel Mawatha | Western Province | 00300 | N/A | 2011 | $769,731,000 | 3,000 | N/A | N/A | PV4680 |
| 30 | Jafferjee Brothers Holdings (private) LIMITED | Srilanka | Colombo | No150, St. Joseph'S Street | Western Province | 01400 | N/A | 1944 | $769,731,000 | 3,000 | N/A | N/A | PV76689 |
| 31 | Hayleys Agriculture Holdings LIMITED | Srilanka | Colombo | No.25 | Western Province | 10 | N/A | 2011 | $769,731,000 | 3,000 | N/A | N/A | PB575 |
| 32 | Hatton National Bank PLC | Srilanka | Colombo | No. 479, T.b.jayah Mawatha | Western Province | 10 | N/A | 1971 | $764,941,019 | 5,400 | N/A | N/A | PQ82 |
| 33 | Brandix Apparel (PVT) LTD | Srilanka | Colombo | No. 25, Rheinland Place | Western Province | 03 | N/A | 2023 | $750,000,000 | 200 | N/A | N/A | PV00278682 |
| 34 | Pussalla Meat Producers (private) LIMITED | Srilanka | Colombo | Pahala Kosgama East | Western Province | 10730 | N/A | 2004 | $717,060,000 | 7,500 | N/A | N/A | PV445 |
| 35 | Ceylon Tobaco Company PLC | Srilanka | Colombo | 178, Srimath Ramanathan Mawatha | Western Province | 15 | N/A | 2007 | $701,706,379 | 350 | N/A | N/A | PQ29 |
| 36 | Mt Hojgaard A/S | Srilanka | Battaramulla | No: 25, Laxapana Mawatha | Western Province | N/A | N/A | 2008 | $647,840,000 | 5,000 | N/A | N/A | FC 1046 |
| 37 | Sampath Bank PLC | Srilanka | Colombo | No. 110 | Western Province | 02 | N/A | 2009 | $628,793,053 | 4,526 | N/A | N/A | PQ 144 |
| 38 | General Hospital Trincomalee | Srilanka | Trincomalee | Hospital Street | Eastern Province | N/A | N/A | N/A | $574,594,864 | 8,062 | N/A | N/A | N/A |
| 39 | Air Lanka LTD | Srilanka | Katunayake | Bandaranaike International Airport | Western Province | N/A | N/A | 1963 | $552,916,000 | 3,500 | N/A | N/A | PV7351 |
| 40 | Irrigation Department Of Sri Lanka | Srilanka | Colombo | Bauddhaloka Mawatha | Western Province | N/A | N/A | 1900 | $543,297,000 | 3,000 | N/A | N/A | N/A |
| 41 | Ceylinco-Cisco Security CORPORATION Private LIMITED | Srilanka | Colombo | No-15, de Fonseka Place | Western Province | 15 | N/A | 1977 | $530,018,500 | 5,500 | N/A | N/A | PVS-4736 |
| 42 | Sri Ramco Roofings Lanka (private) LIMITED | Srilanka | Kalutara | Mathugama Industrial Estate | Western Province | N/A | N/A | 2012 | $529,965,446 | 150 | N/A | N/A | PV75389 |
| 43 | John Keells Foundation | Srilanka | Mawatha | 117 Sir Chittampalam A Gardiner | Western Province | 2 | N/A | N/A | $497,435,000 | 5,000 | N/A | N/A | GA2 |
| 44 | D.samson & Sons (private) LIMITED | Srilanka | Matara | No. 257, High Level Road | Colombo | 2 | N/A | 2007 | $489,688,500 | 3,500 | N/A | N/A | PV311 |
| 45 | Comfortwear Private LIMITED | Srilanka | Nittambuwa | Wathupitiwala Export Processing Zone | Western Province | 03 | N/A | 2001 | $474,090,000 | 3,000 | N/A | N/A | N(PVS)22107 |
| 46 | Ceylinco Consolidated (private) LIMITED | Srilanka | Colombo | 13, Dickmans Lane | Western Province | 4 | N/A | 1996 | $449,383,500 | 4,500 | N/A | N/A | N(PVS) 17996 |
| 47 | Fashion Bug (private) LIMITED | Srilanka | Colombo | 405,colombo Road | Western Province | 10290 | N/A | 1994 | $436,100,000 | 2,500 | N/A | N/A | PV4036 |
| 48 | David Pieris Motor Company (private) LIMITED | Srilanka | Colombo | 120, 120a | Western Province | N/A | N/A | 2018 | $425,439,000 | 3,500 | N/A | N/A | PV131217 |
| 49 | Intertek Lanka (private) LIMITED | Srilanka | Battaramulla | No. 282, Kaduwela Road | Western Province | 10120 | N/A | 1999 | $413,790,000 | 7,500 | N/A | N/A | PV2680 |
| 50 | Central Cultural Fund | Srilanka | Colombo | 212/1, Bauddhaloka Mawatha | Western Province | 00700 | N/A | N/A | $408,650,000 | 2,500 | N/A | N/A | N/A |
| 51 | Colombo Municipal Council | Srilanka | Colombo | Town Hall | Western Province | 7 | N/A | N/A | $408,650,000 | 2,500 | N/A | N/A | N/A |
| 52 | The National Hospital Kandy | Srilanka | Kandy | Hantana Road | Central Province | 20000 | N/A | 1889 | $404,967,504 | 5,682 | N/A | N/A | N/A |
| 53 | Ceat Kelani Radials (private) LIMITED | Srilanka | N/A | 53, Nungamugoda Road | N/A | N/A | N/A | 1992 | $402,896,000 | 6,500 | N/A | N/A | PV784 |
| 54 | Dialog Axiata PLC | Srilanka | Colombo | 475, Union Place | Western Province | 02 | N/A | 2010 | $397,334,739 | 2,500 | N/A | N/A | PQ38 |
| 55 | Agalawatte Plantations LIMITED | Srilanka | Colombo | No-10 Gnanarathna Pradeepa Mawatha | Western Province | 8 | N/A | 1992 | $397,320,192 | 8,704 | N/A | N/A | NPBX/CGS-131 |
| 56 | State Pharmaceuticals CORPORATION Of Srilanka | Srilanka | Colombo | Mehewara Piyasa 16th Floor | Western Province | 05 | N/A | 1971 | $395,993,794 | 50 | N/A | N/A | N/A |
| 57 | Sri Lanka Customs | Srilanka | Colombo | No.40, Main Street | Western Province | 11 | N/A | 1806 | $393,152,000 | 2,000 | N/A | N/A | N/A |
| 58 | Hela Apparel Holdings PLC | Srilanka | Colombo | No. 35, Balapokuna Road | Western Province | 06 | N/A | 2023 | $390,960,000 | 18,000 | N/A | N/A | PQ00205151 |
| 59 | Maliban Milk Products (private) LIMITED | Srilanka | Ratmalana | House of Maliban 389 | Western Province | N/A | N/A | 2008 | $389,649,700 | 1,525 | N/A | N/A | PV No : 1743 |
| 60 | Readywear Industries LIMITED | Srilanka | Colombo | No 33, Park Street | Western Province | 2 | N/A | 1982 | $378,571,200 | 4,200 | N/A | N/A | PVS 8330 |
| 61 | Distilleries Company Of Sri Lanka PLC | Srilanka | Colombo | No.110 | Western Province | 01000 | N/A | 1992 | $371,691,054 | 921 | N/A | N/A | PQ112 |
| 62 | Bio Foods (private) LIMITED | Srilanka | Mudungoda | Kandy Road | Western | 11056 | N/A | 1993 | $366,513,000 | 3,500 | N/A | N/A | PV9743 |
| 63 | Lion Brewery (ceylon) PLC | Srilanka | Colombo | No. 254 | Western Province | N/A | N/A | 1996 | $353,489,714 | 330 | N/A | N/A | PQ57 |
| 64 | Jacobi Carbons Lanka (private) LIMITED | Srilanka | Colombo | Unity Place No.1a, 2nd Floor | Western Province | 03 | N/A | 2005 | $351,807,000 | 3,000 | N/A | N/A | PV8280 |
| 65 | Softlogic Retail (private) LIMITED | Srilanka | Colombo | 475/32 Kotte Road | Western Province | N/A | N/A | 2013 | $341,994,000 | 2,000 | N/A | N/A | PV 5912 |
| 66 | Coco Tusker (private) LIMITED | Srilanka | Colombo | No 104, Pagoda Road | Colombo | 10250 | N/A | 2019 | $340,814,500 | 1,300 | N/A | N/A | PV00214213 |
| 67 | Urban Development Authority | Srilanka | Battaramulla | 6th , 7th and 9th Floors | Western Province | N/A | N/A | 1978 | $326,920,000 | 2,000 | N/A | N/A | 409036422 |
| 68 | A I A Insurance Lanka PLC | Srilanka | Colombo | Aia Tower, 92, Dharmapala Mawatha | Western Province | 00700 | N/A | 1986 | $325,724,000 | 1,000 | N/A | N/A | PQ18PB |
| 69 | Hemas Manufacturing (PVT) LTD | Srilanka | Colombo | 75, Braybrooke Place, | Western Province | 2 | N/A | 1993 | $311,680,000 | 8,000 | N/A | N/A | PV 149 |
| 70 | Jetwing Symphony PLC | Srilanka | Colombo | Jetwing House | Western Province | 02 | N/A | 2007 | $307,892,400 | 1,200 | N/A | N/A | PVPB13254PQ |
| 71 | Tudawe Brothers PVT LIMITED | Srilanka | Colombo | 505, 2 Elvitigala Mawatha | Western Province | 00500 | N/A | N/A | $306,672,800 | 1,120 | N/A | N/A | PV10579 |
| 72 | Ragama Teaching Hospital | Srilanka | Colombo | Colombo North Teaching Hospital | Western Province | N/A | N/A | N/A | $305,768,020 | 2,381 | N/A | N/A | N/A |
| 73 | Eastman Suppliers | Srilanka | Colombo | No 397/8 | Western Province | N/A | N/A | 2000 | $299,640,000 | 2,000 | N/A | N/A | W/S 3859 |
| 74 | Huawei Technologies Lanka Company (private) LIMITED | Srilanka | N/A | World Trade Centre 17th Floor | N/A | 00100 | N/A | 1987 | $295,630,000 | 10,000 | N/A | N/A | PV13315 |
| 75 | Celetron Lanka Private LIMITED | Srilanka | Pallekele | Kandy Industrial Park | Central Province | N/A | N/A | 1991 | $293,517,000 | 3,000 | N/A | N/A | N ( PVS ) 7734 |
| 76 | Access International (private) LIMITED | Srilanka | Colombo | No.278,access Tower | Western Province | 00200 | N/A | 1990 | $290,658,000 | 3,000 | N/A | N/A | PV5409 |
| 77 | Arinma Holdings (private) LIMITED | Srilanka | Colombo | 33, Parkland Building 15th Floor, Level 15b | Western Province | 00200 | N/A | 2008 | $290,658,000 | 3,000 | N/A | N/A | PV66210 |
| 78 | University Of Moratuwa | Srilanka | Moratuwa | Bandaranayake Mawatha | Western Province | 10400 | N/A | N/A | $290,178,000 | 3,000 | N/A | N/A | N/A |
| 79 | Seylan Bank PLC | Srilanka | Colombo | Seylan Towers | Western Province | 00300 | N/A | 1990 | $289,584,412 | 5,000 | N/A | N/A | PQ 9 |
| 80 | Lion Brewery (ceylon) | Srilanka | Biyagama | No. 254 | Western Province | N/A | N/A | 1996 | $289,223,030 | 263 | N/A | N/A | PQ57 |
| 81 | Delmo Chicken & Agro (private) LIMITED | Srilanka | N/A | No. 21, Pahurumankadawatta | N/A | N/A | N/A | 2009 | $286,824,000 | 3,000 | N/A | N/A | PV69737 |
| 82 | Swedish Trading Audio Visuals (private) LIMITED | Srilanka | Colombo | No: 106, Red Cross Building | Western Province | 07 | N/A | 1996 | $286,338,000 | 1,500 | N/A | N/A | PV7055 |
| 83 | Mas Active Trading (PVT) LTD. | Srilanka | Colombo | 231, D. M. Colombage Mawatha | Western Province | 06 | N/A | 2008 | $283,613,000 | 19,000 | N/A | N/A | PV64369 |
| 84 | Mahaweli Restructuring & Rehabilitation Project | Srilanka | Colombo | No-500 T B Jaya Mawatha | Western Province | 10 | N/A | N/A | $282,982,500 | 4,500 | N/A | N/A | N/A |
| 85 | Hypromac Engineering Services | Srilanka | Colombo | No. 22/17, Circular Road, Araliya Uyana | Western Province | 10230 | N/A | 2004 | $282,576,193 | 1 | N/A | N/A | WC 6742 |
| 86 | Virtusa PVT. LTD. | Srilanka | Colombo | 752 | Western Province | 00900 | N/A | 1996 | $272,421,000 | 3,000 | N/A | N/A | PV4974 |
| 87 | Axiata Digital Labs (private) LIMITED | Srilanka | Colombo | Parkland Building Level 11 | Western Province | 00200 | N/A | 2019 | $272,421,000 | 3,000 | N/A | N/A | PV00201847 |
| 88 | Frangipanni | Srilanka | Colombo | 73/4 Saman Uyana Kumaragewatte Road Battaramulla, | Western Province | 00100 | N/A | N/A | $271,648,500 | 1,500 | N/A | N/A | N/A |
| 89 | Rex Coir Manufacturers(pvt) LTD | Srilanka | Negombo | 451/2, Chilaw Road, Kattuwa, | Western Province | 11500 | N/A | N/A | $271,648,500 | 1,500 | N/A | N/A | N/A |
| 90 | ST. Anthony's Industries Group LTD | Srilanka | Colombo | 752/1 | Western Province | N/A | N/A | 1944 | $266,688,000 | 6,000 | N/A | N/A | PV938 |
| 91 | Jinasena Group Of Companies | Srilanka | Colombo | 176/1, Thimbirigasyaya Road | Western Province | 5 | N/A | 1905 | $265,296,800 | 5,300 | N/A | N/A | N/A |
| 92 | Dfcc Bank PLC | Srilanka | Colombo | No.73/5, Galle Road | Western Province | 03 | N/A | 2015 | $264,177,197 | 3,000 | N/A | N/A | PQ233 |
| 93 | Lanka Hospitals CORPORATION PLC | Srilanka | Colombo | No.578, Elvitigala Mawatha | Western Province | N/A | N/A | 2002 | $263,706,400 | 3,700 | N/A | N/A | N/A |
| 94 | Akbar Brothers (private) LIMITED | Srilanka | Colombo | No. 334 | Western Province | 10 | N/A | 2007 | $261,795,000 | 2,500 | N/A | N/A | PV373 |
| 95 | Seemasahitha Sanasa Rakshana Samagama | Srilanka | Colombo | No 340 2/1 | Western Province | 3 | N/A | 2008 | $260,579,200 | 800 | N/A | N/A | PB 379 |
| 96 | Senok Group Of Companies | Srilanka | Colombo | No. 3, R. A. de Mel Mawatha | Western Province | 05 | N/A | 1979 | $256,577,000 | 1,000 | N/A | N/A | N/A |
| 97 | Independent Television Network LTD | Srilanka | Battaramulla | Wickramasinghepura Road | Western Province | 10120 | N/A | 1979 | $255,722,000 | 1,000 | N/A | N/A | NPBS/CGB 119 |
| 98 | Sri Lanka Telecom PLC | Srilanka | Colombo | Lotus Road | Western Province | 00100 | N/A | 2014 | $244,946,415 | 7,500 | N/A | N/A | PQ7 |
| 99 | K.D. Ebert And Sons Holdings (private) LIMITED | Srilanka | Nugegoda | 5/41, Madiwela Road | Western Province | N/A | N/A | 1999 | $242,215,000 | 2,500 | N/A | N/A | PV 11787 |
| 100 | Lolc Finance PLC | Srilanka | Colombo | No. 100/1 | Western Province | N/A | N/A | 2018 | $241,594,008 | 3,000 | N/A | N/A | PB244 |