| Name - First (Maiden) Last | Credential | Cert Number | Issue Date | Expiration Date |
|---|---|---|---|---|
| Groff, David | R.NCS.T. | 438 | 2001-01-10 | Lifetime |
| Grzegorz Lesiak | R. EEG T. | 3871 | 2005-05-23 | 2015-12-31 |
| Grzegorz Lesiak | CNIM | 1263 | 2007-05-19 | 2017-12-31 |
| Guadalupe Orduna | R. EEG T. | 7247 | 2019-08-08 | 2029-12-31 |
| Guang Ren | R. EEG T. | 3826 | 2005-02-05 | 2025-12-31 |
| Guang Ren | R. EP T. | 911 | 2006-07-29 | 2026-12-31 |
| Guang Ren | CLTM | 117 | 2010-10-16 | 2025-12-31 |
| Guangren Li | R. EEG T. | 4386 | 2009-08-08 | 2019-12-31 |
| GUDNE TAYLOR | R. EEG T. | 166 | 1971-02-09 | 2023-12-31 |
| Guennadi Aldochine | CNIM | 578 | 2003-05-03 | 2028-12-31 |
| Guillermo Morales | R. EEG T. | 5939 | 2016-06-18 | 2026-12-31 |
| Gulbrandson, Randy | R.NCS.T. | 951 | 2012-06-29 | 2017-06-29 |
| Gulshakar Ali | R. EEG T. | 6659 | 2018-06-19 | 2028-12-31 |
| Gulzar Karim | R. EEG T. | 5676 | 2015-06-20 | 2025-12-31 |
| Guo Feng Tian | CNIM | 2083 | 2010-08-15 | 2025-12-31 |
| Guo Feng Tian | R. EEG T. | 4970 | 2012-10-07 | 2027-12-31 |
| Guo Feng Tian | R. EP T. | 1331 | 2013-02-16 | 2028-12-31 |
| Gurbej Virk | CNIM | 2874 | 2013-12-14 | 2028-12-31 |
| GURVARINDER SANDHU | R. EEG T. | 2361 | 1992-06-27 | 2023-12-31 |
| Guse Tim | R.NCS.T. | 38 | 1983-01-10 | Lifetime |
| Gustavo Flores | R. EEG T. | 8895 | 2023-09-21 | 2028-12-31 |
| Guy P. Campbell | R. EEG T. | 8943 | 2023-11-28 | 2028-12-31 |
| Guy R. Campbell | R. EEG T. | 4803 | 2012-02-25 | 2027-12-31 |
| Guy Ryan Bates | CNIM | 875 | 2005-05-07 | 2021-04-30 |
| Guylaine Messudom Fokwa | R. EEG T. | 6510 | 2018-03-29 | 2028-12-31 |