Wildrose Leader Danielle announced the last of her party's 87 candidates just prior to unveiling the bus she will use to travel the province during the campaign.
Premier Alison Redford's Tories and the New Democrats have previously announced full slates.
The Liberals are lagging behind with 57 candidates, but leader Raj Sherman says there will be 87 in place when voters go to the polls.
The Alberta Party has 26 candidates.
Redford has said she'll drop the writ soon after the provincial budget passes this week.