In 1935, Francisco Geronimo, Mariano de Ocampo, lgmidio Suarez, Eusebio Mina. Jose Rivera, Raymundo Reyes, Sr., Roberto Feliciano, Gregorio Lazaro, Raymundo Gumapac, John Jones, Trinitario Ortiz, Valentin Casupanan, Catalino Casupanan. Crispin Francisco, Teodoro Pastor, Cornelio Odvina, and Jesus Tangbal Dera organized the National Master Plumbers Association of the Philippines (NAMPAP) and had it registered with the Securities and Exchange Commission.