As of Sep 2023, 76 mining companies are now engaged in IRMA representing 99 sites:

59 sites are self-assessing under the IRMA Standard (36 have made this public), the first step before an independent audit;

23 are piloting the draft IRMA exploration (IRMA Ready) or mineral processing standard self-assessments

15 are in the independent assessment system: 11 audits are underway (South Africa, Senegal, Mozambique, Brazil, Chile, Argentina) and 4 completed audits have been published (Zimbabwe, Mexico, Chile)

They encompass 29 countries:

1. Argentina
2. Australia
3. Brazil
4. Canada
5. Chile
6. Colombia
7. Dominican Rep.
8. Finland
9. France
10. Indonesia
11. Liberia
12. Mexico
13. Mozambique
14. Namibia
15. New Caledonia
16. Norway
17. Panama
18. Portugal
19. Philippines
20. Russia
21. Senegal
22. South Africa
23. Spain
24. Sri Lanka
25. Turkey
26. Ukraine
27. United States
28. Zambia
29. Zimbabwe

And 52 minerals and mineral types:

1. Aggregates
2. Barite
3. Bauxite
4. Cerium
5. Chromite
6. Chromium
7. Coal (metallurgical)
8. Cobalt
9. Copper
10. Diamonds
11. Europium
12. Feldspar
13. Gadolinium
14. Gold
15. Graphite
16. Iridium
17. Iron
18. Kyanite
19. Lanthanum
20. Lead
21. Limestone
22. Lithium
23. Magnesium
24. Mica
25. Mineral sands
26. Molybdenum
27. Monazite sand
28. Neodymium
29. Nickel
30. Osmium
31. Palladium
32. Praseodymium
33. Platinum
34. Potash
35. Quartz
36. Rare earth elements
37. Rhodium
38. Ruthenium
39. Samarium
40. Sand
41. Selenium
42. Silver
43. Staurolite
44. Sulphur
45. Talc
46. Tellurium
47. Titanium
48. Tourmaline
49. Vanadium
50. Xenotime
51. Zinc
52. Zircon