Primary Structures Educational Foundation, Inc. (PSEFI) is the corporate foundation of the Primary Group of Builders (PGB). It is a non-stock, non-profit organization registered with the Securities and Exchange Commission (SEC) in November 2008. PSEFI is a DSWD, DepEd, TESDA, PCNC and CWB accredited organization that advocates technical-vocational courses. The thrust of the foundation is poverty alleviation by providing free skills training, competency assessment and employment to the marginalized members of the community such as out-of-school youth, out-of-school adults, women, and Persons with Disabilities (PWDs). It operates through the School of Knowledge, Industrial Labor, Leadership and Service (SKILLS) as the accredited training and assessment center.