| S. No. | Name | Place | Scheme | Brief/Areas |
| 1. | Interlaboratory Services (ILS), National Council for Cement & Building Materials (NCCBM) | Ballabgarh, Haryana | Simultaneous | Chemical & Mechanical Testing – Building Materials |
| 2. | CMC QAS, Department of Clinical Biochemistry, Christian Medical College, CMC | Vellore, Tami Nadu | Simultaneous | Medical Testing – Clinical Biochemistry |
| 3. | RML-Quality Assurance Program (RML-QAP) | Lucknow, Uttar Pradesh | Simultaneous | Medical Testing – Clinical Biochemistry, – Haematology, – Microbiology & Serology, – Histopathology, – Cytopathology |
| 4. | Fine Finish Organics Pvt. Ltd. | Taloja, Maharashtra | Simultaneous | Chemical & Mechanical Testing – Plastics & Polymers – Paints & Surface Coatings |
| 5. | Dr. Fixit Institute of Structural Protection & Rehabilitation, PT Division | Mumbai | Simultaneous | Non-Destructive & Mechanical Testing -Reinforced Cement Concrete |
| 6. | Global PT Provider Pvt. Ltd. | New Delhi | Simultaneous | Chemical, Mechanical, Biological & Non-Destructive Testing – Metal Testing, – Water, – Building Material, – Minerals & Ores, – Coal, Coke and other Solid Fuels, – Textile Material – Children Toys & Child Articles – Leather – Paint and enamels – Polymer and Plastic – Rubber – Corrosion – Metallic Coatings and Treatment Solutions |
| 7. | Green Economy Initiatives private Limited | Mohali | Sampling & Simultaneous | Chemical & Mechanical Testing -Atmospheric Pollution (Ambient Air, Stack Emission, Noise) -Food & Agricultural Products (Honey & Honey Products, Fruits & Vegetable Products, Infant Foods, Cereals, Pulses & Cereal Products, Milk & Dairy Products, Herbs, spices & Condiments, Oils & Fats, Bakery & Confectionery Products, Others) -Residues in Food Products (Trace Metal Elements) -Soil & Rock (Soil) -Building Material (Cement, Aggregates, Others) -Metals & Alloys (TMT Steel Bars) -Drugs & Pharmaceuticals -Minerals -Fertilisers |
| 8. | Landmark Material Testing and Research Laboratory Pvt. Ltd., PT Division | Jaipur, Rajasthan | Simultaneous | Mechanical & Non-Destructive Testing -Building Material -Soil |
| 9. | Indian Pharmacopoeia Commission (Indian Pharmacopoeia Laboratory) | Ghaziabad, Uttar Pradesh | Simultaneous | Chemical Testing -Drugs and Pharmaceuticals Products |
| 10. | Export Inspection Agency-Chennai (Proficiency Testing Provider) | Chennai | Simultaneous | Biological Testing -Pathogen in Fish & Fishery Products |
| 11. | Export Inspection Agency-Kolkata Laboratory | Kolkata | Simultaneous | Chemical Testing -Heavy Metals in Fish & Fishery Products |
| 12. | CMC Micro EQAS, Department of Clinical Microbiology, Christian Medical College,Vellore | Vellore, Tamilnadu | Simultaneous | Medical Testing -Microbiology & Serology |
| 13. | CIMEC Infralabs Private Limited, PT Division | Ghaziabad, Uttar Pradesh | Simultaneous | Chemical, Mechanical & Electrical Testing -Building Materials -Metals & Alloy -Mechanical Properties of Materials -Cables & Wires |
| 14. | C I Proficiency Testing Pvt. Ltd. | Kota, Rajasthan | Sequential | Electro-Technical, Mechanical & Thermal Calibration |
| 15. | SCS Enviro Services Private Limited (PT Division) | Jaipur, Rajasthan | Simultaneous | Chemical Testing -Minerals & Ores -Soil & Rock -Building Material -Waste Water -Water |
| 16. | Bureau Veritas Consumer Product Service (India) Private Limited, Proficiency Testing Provider | Noida, Uttar Pradesh | Simultaneous | Chemical & Mechanical Testing -Textile Materials -Leather -Toys & Toys Material |
| 17. | CMC VIROEQAS, Department of Clinical Virology, Christian Medical College | Vellore, Tamil Nadu | Simultaneous | Medical Testing -Microbiology & Serology |
| 18. | Jalan Proficiency Testing Provider, Unit Jalan and Company | Delhi | Simultaneous | Chemical Testing -Metals & Alloys |
| 19. | HP PTP, Hindustan Petroleum Corporation Limited | Navi Mumbai, Maharashtra | Simultaneous | Chemical Testing -Petroleum & Petroleum Products |
| 20. | Fare Labs Private Limited | Gurugram, Haryana | Simultaneous & Sequential PT Schedule-Testing PT Schedule-Calibration | Chemical & Biological Testing Animal Food & Feed, Atmospheric Pollution, Ayush Products, Biopesticides and Biofertilizers, Cosmetics & Essential Oils, Drugs & Pharmaceuticals, Fertilizers, Food & Agricultural products (except Human Milk), GM Product, Industrial & Fine Chemicals, Lubricants, Marine/ Aqua culture Food Products, Molecular Analysis (Tests for Various Matrices-Human, Plants, Animal, Microbial), Nutritional Supplements, Nutraceuticals & Functional Foods, Pollution & Environment, Paper and Pulp, Pesticide Formulations, Petroleum and Products, Plastic & Resins, Residues and contaminants in Food and Agricultural Products, Residues and contaminants in Water, Soap detergent & Toiletries, Soil and Rock, Solid Fuels, Water Radiological Testing – Food – Water Electro-Technical, Mechanical & Thermal Calibration |
| 21. | GES PT Division | Vadodara, Gujarat | Simultaneous | Mechanical Testing -Building Material -Soil & Rock Non-Destructive Testing -Building Material |
| 22. | Edward Food Research & Analysis Centre Limited (PTP) | Kolkata, West Bengal | Simultaneous | Chemical Testing -Food & Agricultural Products -Water |
| 23. | Deep Metallurgical Services | Thane, Maharashtra | Simultaneous | Chemical & Mechanical Testing -Metals & Alloys -Mechanical Properties of Materials |
| 24. | Proficiency Testing Provider Division, India Govt. Mint | Mumbai, Maharashtra | Simultaneous | Chemical Testing -Precious metals |
| 25. | Metropolis Healthcare Ltd./EQAS | Mumbai, Maharashtra | Simultaneous | Medical Testing – Clinical Biochemistry – -Clinical Pathology – Cytopathology – Haematology & Immunohaematology – Histopathology- Microbiology & Serology |
| 26. | Neu-QAP (Neuberg Anand Academy of Laboratory Medicine Pvt LTD Quality Assessment Program) | Bangalore, Karnataka | Simultaneous | Medical Testing – Clinical Biochemistry – Haematology & Immunohaematology – Histopathology – Microbiology & Serology – Cytogenetics |
| 27. | PTP services – Nemko India (Test Lab) Pvt Ltd. | Faridabad, Haryana | Simultaneous | Electrical & Electronics Testing |
| 28. | Chimera Translational Research Fraternity Pvt. Ltd. | Delhi | Simultaneous | Medical Testing – Haematology & Immunohaematology – Molecular Testing |
| 29. | The Bombay Textile Research Association, PT Division, | Mumbai, Maharashtra | Simultaneous | Chemical & Mechanical Testing – Textiles |
| 30. | National Referral Laboratory, ICAR-National Research Centre for Grapes | Pune, Maharashtra | Simultaneous | Chemical Testing – Food & Agricultural products fruits and vegetables |
| 31. | The Synthetic And Art Silk Mills Research Association (SASMIRA) | Mumbai, Maharashtra | Simultaneous | Chemical, Mechanical & Biological Testing -Textile |
| 32. | NDDB Calf Ltd. | Gujarat | Simultaneous | Chemical, & Biological Testing – Food and Agricultural Poducts (Milk and milk products, Fats & Oils, Cattle Feed & Poultry feed and Nutritional Foods) |
| 33. | Meena International | Chennai, Tamil Nadu | Sequential | Non-Destructive Testing – Metals & Alloys |
| 34. | Maxus Engineering Services (PT Division) | Mumbai | Simultaneous | Chemical & Mechanical Testing -Admixture -Aggregates -Concrete -Buildings Materials -Metals & Alloys -Water |
| 35. | Proficiency Testing Centre, Pesticide Management Division, National Institute of Plant Health Management (NIPHM) | Hyderabad, Telangana | Chemical Testing | |
| 36. | Export Inspection Agency-Kochi, PTP | Kochi, Kerala | Simultaneous | Biological Testing -Food and Agricultural Products |
| 37. | Hari Shankar Singhania Elastomer and Tyre Research Institute | Karnataka | Simultaneous | Chemical and Mechanical Testing -Rubber and Rubber Products |
| 38. | Dr Lal Pathlabs Ltd. Proficiency Testing Program | New Delhi | Simultaneous | Medical Testing -Clinical Biochemistry |
| 39. | National Engineering Consultants and Testing Laboratory (PT Division) | Delhi | Mechanical Testing | |
| 40. | Metal Power Private Limited-PT Division | Mumbai, Maharashtra | Simultaneous | Chemical Testing – Metals and Alloys – Ores and Minerals Mechanical Testing – Mechanical Properties of Metals – Metallography |
| 41. | Pulp and Paper Research Institute-PT Division | Rayagad, Odisha | Simultaneous | Chemical & Mechanical Testing -Paper |
| 42. | IAMM, EQAS New Delhi, Institute of Clinical Microbiology & Immunology | New Delhi | Medical Testing | |
| 43. | Central Agmark Laboratory, PT Division | Nagpur, Maharashtra | Chemical Testing | |
| 44. | Manglam Consultancy Services (MCS PT Division) | Vadodara, Gujarat | Simultaneous | Mechanical – Building Materials |
| 45. | Ultra Plus Lubes Pvt. Ltd. | Navi Mumbai, Maharashtra | Simultaneous | Chemical – Petroleum products |
| 46. | Max Quality Assurance Program | New Delhi, Delhi | Simultaneous | Clinical Biochemistry, Cytopathology, Haematology, Microbiology & Infectious Disease Serology |
| 47. | Shreyash Enterprises- Ptp Div. | Pune, Maharashtra | Sequential | Calibration – Mechanical |
| 48. | Crystal Quality Pt Provider | Surat, Gujarat | Simultaneous | Chemical – Water |
| 49. | IOCL Proficiency Testing Provider, Eastern Regional Laboratory | Howrah, West Bengal | Simultaneous | Chemical – Petroleum products |
| 50. | Qtex Consumer Products Services India Private Limited, Proficiency Testing Provider | Faridabad, Haryana | Simultaneous | Chemical and Mechanical – Textile and Textile Material, Leather & Footwear, Toys |
| 51. | BPCL Proficiency Testing, QA Laboratory, Bharat Petroleum Corporation Limited | Mumbai, Maharashtra | Chemical Testing | |
| 52. | MD Technocrats | Gurugram, Haryana | Sequential | Electro-Technical, Mechanical, Thermal, Optical & Fluid Flow Calibration |
| 53. | BOXPLOT Analyser Private Limited | Greater Noida, Uttar Pradesh | Simultaneous | Chemical and Mechanical Testing –Textile Materials -Leather -Rubber –Paper |
| 54. | KS PT Division | Gwalior, Madhya Pradesh | Simultaneous | Mechanical Testing -Building Material – Soil Non- Destructive Testing -Building Material
|
| 55. | Pramukh PT Division | Surat, Gujarat | Simultaneous | Mechanical Testing –Building Material Non- Destructive Testing -Building Material
|
| 56. | Sushma Calibration & Test Labs Private Limited – (PT Division) | Bengaluru, Karnataka | Sequential | Calibration – Mechanical |
| 57. | Aashvi Proficiency Testing and Analytival Services | Hyderabad, Telangana | Simultaneous | Testing – Biological & Chemical |
| 58. | Beatus Social Compliance Services Ltd. | Howrah, West Bengal | Sequential | Calibration – Electro-Technical – Mechanical – Thermal |
| 59. | Hi Tech Calibration Analysis Lab Private Limited Proficiency Testing (PT Provider) PT Division | Chennai, Tamil Nadu | Sequential | Electro-Technical Calibration Mechanical Calibration Thermal Calibration Optical Calibration Fluid Flow Calibration
|
| 60. | Juxta Proficiency Provider (OPC) Private Limited | Howrah, West Bengal | Mechanical Testing
| |
| 61. | Priyan International Lab and Technology | Noida, Uttar Pradesh | Chemical Testing
| |
| 62. | Envirocare Labs Pvt. Ltd.- Pt Cell | Thane, Maharashtra | PT Schedule | Biological Testing
|
| 63. | Octagon Measurement Solutions Pvt. Ltd., PT Division | Pune, Maharashtra | Sequential | Calibration – Electro-Technical – Mechanical – Thermal |
| 64 | SOPHISTICATED TEST AND INSTRUMENTATION CENTRE (STIC) | Kochi, Kerala | Sequential | Calibration – Mechanical – Thermal |
| 65 | GLOBAL LAB (PT DIVISION) | Vasai, Maharashtra | Sequential | Calibration – Mechanical – Thermal |
Proficiency Testing Programmes by other agencies
NABL also encourages participation of applicant / accredited laboratories in Proficiency Testing programs conducted by other national & international bodies.