# | Class | status | |
---|---|---|---|
1 |
S:90518534
M:INDOORAIRHYGIENE O:INDOOR AIR HYGIENE INSTITUTE LLC, Madison Industries Holdings LLC |
35, 42 | Registered |
2 |
S:90160760
M:INDOORAIRHYGIENE ![]() O:Filtration Group Corporation, INDOOR AIR HYGIENE INSTITUTE LLC, MADISON INDUSTRIES HOLDINGS LLC |
35, 40, 42 | Registered |