Certification demand in the trades
The certifications and tickets employers name in trades job postings — measured from our own listings and refreshed with every monthly edition. Currently showing August 2026.
Postings naming a certification
22%
310 of 1,397 postings
Most-requested credential
Red Seal
88 postings
Distinct credentials tracked
15
named in 2+ postings
Most-requested certifications
Number of August 2026 postings naming each credential.
Red Seal88
Fall Protection63
Csts44
Rigging Signalling44
WHMIS39
First Aid CPR39
CWB38
OSHA 1034
Forklift Operator26
Confined Space25
Journeyman License24
H2s Alive22
Lockout Tagout22
Aerial Work Platform17
OSHA 3013
What each trade asks for
Top credentials named in each trade’s postings.
Electricians
- Red Seal40
- Fall Protection29
- First Aid CPR23
- OSHA 1021
- Lockout Tagout17
Plumbers
- Red Seal10
- Journeyman License7
- OSHA 106
- WHMIS4
- OSHA 302
HVAC technicians
- EPA 6087
- Red Seal7
- Fall Protection5
- OSHA 105
- First Aid CPR4
Welders
- CWB35
- Red Seal23
- Rigging Signalling18
- Fall Protection12
- Csts6
Pipefitters
- Rigging Signalling17
- Fall Protection14
- Csts14
- H2s Alive12
- Confined Space7
Carpenters
- WHMIS5
- Csts4
- Fall Protection2
- Red Seal2
- First Aid CPR2
Heavy equipment operators
- Confined Space1
Counted from certifications explicitly named in 1,397 postings published on Tradesppl in August 2026; a posting can name more than one credential. Absence of a credential in a posting does not mean it isn’t required on the job. Read the full methodology. Free to cite with attribution and a link to this page.