| Abracon: | AB, ABL SERIES, ABL2 SERIES |
| Bliley: | HC-49/U, HC-43/U |
| Citizen_Finetech: | HC-49/U-S |
| Cal_Crystal: | CCL-6S SERIES, CCL-6 SERIES, CCL-14, HC-43/U, CCL-6/HC-49 |
| CTS: | VM6S, VM6, ATS/ATS-SM SERIES, MP SERIES |
| Freqtech: | FT1A, FT2A |
| Hong_Kong_XTals: | HC49U, HC49UT, HC49US, HC49U-9U, HC49U-9T, HC49U-9D, HC49U-6A, HC49UT-9U, HC49UT-9T, HC49UT-9D, HC49UT-6A |
| Inficon: | EX10-T120, EX131, EX233, EX221, EX211, EX111, EX201, EX231, EX223, EX213, EX121, EX202, EX203, EX204 |
| Mdx: | M9S SERIES, MDX (49U) SERIES |
| MMD: | BHC 49/US-2 LEAD, EHC 49/US-2 LEAD, MC-49 |
| Morion: | HC-49, QR-MV-379-49, HC-49/S, QR-MV-432 |
| Mtronpti: | ATS-49, ATS-49-R, HC-49/U, MP-1-R |
| TXC: | 9B SERIES, AS SERIES |
| Transko: | HC49/S, HC49/U |
| TGS: | CU SERIES, CT SERIES, CRA, MG TYPE, MT & MX TYPE |
| Taitien: | X8 (HC-43/U) TYPE, XI TYPE |
| Sunny: | ATS-25/U, ATS-49/U, ATS-SI/U, HC-49/U, HC-49/T |
| Raltron: | TYPE AS (HC-49/S), TYPE A (HC-49/U) |
| Precision_Devices: | CR72/U SERIES, CR60/ SERIES, CR67/ SERIES, CR64/ SERIES, CR69/ SERIES, CR76/ SERIES, CR97/ SERIES, CR106/ SERIES, CR55/ SERIES, CR61/ SERIES, HA SERIES |
| Pletronics: | HC-49/U CRYSTAL, LP21/LP24/LP49 SERIES, MP49 SERIES |
| Vishay: | XT49S |
| NEL: | HC-49U, HC-49SS |