The following appendant organizations holds office inside PDYC:

• Federated Mother's Club
• DeMolay Foundation
• DeMolay Alumni Association of the Philippines
• National DeMolay Congress
• Court of Chevaliers
• Preceptory of the Legion of Honor
• Order of Knighthood

Separate office modules are also provided for the:

• Order of Rainbow for Girls
• Order of Job's Daughters

The enclosed offices of the Grand Master, Grand Secretary/Grand Treasurer, a Conference Room/Library, and the main reception lobby complete the ground floor.

At the second level of the Center features the main ceremonial hall complete with an anteroom with regalia lockers, and an Executive Chamber at the back of the East station which shall serve as a waiting lounge for dignitaries.