| AudioscanEtymonic Design IncorporatedAudiometric/hearing aid tester | Axiom | Etymonic Design Incorporated | Audiometric/hearing aid tester |
| EtymoticEtymotic Research, Inc.Tone audiometer | ER38-50HT | Etymotic Research, Inc. | Tone audiometer |
| GN Otometrics A/SNatus Medical Denmark ApSHearing aid tester, electrical | OTOair 2 Bluetooth Dongle | Natus Medical Denmark ApS | Hearing aid tester, electrical |
| InteracousticsInteracoustics A/SHearing aid tester, electrical | Affinity 2.0 | Interacoustics A/S | Hearing aid tester, electrical |
| MedRxMedrx, Inc.Audiometric/hearing aid tester | MedRx WREM | Medrx, Inc. | Audiometric/hearing aid tester |
| NatusNatus Medical Denmark ApSHearing aid tester, electrical | 8-62-45300 | Natus Medical Denmark ApS | Hearing aid tester, electrical |
| Primus By AuditdataAuditdata A/SHearing aid tester, electrical | 2000 Primus HIT Pro | Auditdata A/S | Hearing aid tester, electrical |
| Sanibel Supply A/SInteracoustics A/SAudiometric/hearing aid tester support kit | Sanibel REM Probe Tubes, type A | Interacoustics A/S | Audiometric/hearing aid tester support kit |