# | Class | status | |
---|---|---|---|
101 |
S:73799129
M:QUARTZEL O:QUARTZ & SILICE S.A., SAINT-GOBAIN QUARTZ S.A.S. |
23 | Dead |
102 |
S:73698755
M:ULTRA-Q ![]() O:QUARTZ SCIENTIFIC, INCORPORATED |
20 | Dead |
103 |
S:73574574
M:ATMOSCAN O:AMTECH SYSTEMS, INC., QUARTZ ENGINEERING AND MATERIALS, INC. |
9 | Registered |
104 |
S:73141193
M:FIBROPSIL O:Quartz & Silice |
1, 9, 21 | Dead |
105 |
S:72464572
M:PUROPSIL O:QUARTZ & SILICE |
26 | Dead |
106 |
S:72002379
M:GERMISIL ![]() O:QUARTZ & SILICE |
33 | Dead |
107 |
S:72158021
M:QR ![]() O:Quartz Radiation Corp. |
21 | Dead |
108 |
S:72252146
M:QR O:QUARTZ RADIATION CORP. |
21, 26, 34, 38, 103 | Dead |
109 |
S:72266688
M:M35 O:QUARTZ RADIATION CORP. |
21 | Dead |