Mae nifer o brentisiaethau peirianyddol, syrfëwyr meintiau a gwaith tir yn cael eu cynnal gan CITB tra bod eraill yn rhai dysgu seiliedig ar waith ac yn cael eu hadolygu'n chwarterol gan ddarparwyr dysgu.
A number of the engineering, quantity surveying and groundworker apprenticeships have been delivered by CITB whilst the others have been work based learning and have been reviewed quarterly by learning providers.