NATIONAL FEDERATION OF LABOR, ONASIR AHMAD, RAMON ABUNDO, LUIS ARANETA, RAFAEL ACEJAS, ANTONIO ALFONSO, HERNANI ASURA, EMERITO ABELLA, ANASTACIO ALCUIZAR, ROGELIO ALPUERTO, VICENTE ARRANGUEZ, EFREN ALLA SR., ROMEO BENITO, ROMEO BACASONG, EDILBERTO BACASONG, GABRIEL BATAYAN, ALFREDO BALAIS, ROMAN BERNABE, ANGEL BORIA, CEFERINO BERANGEL, SHIRLY BUENAVENTURA, SIGFREDO CLIMACO, ROWINA CORREA, BENJAMIN CARRILLO, LELANIE COUSING, JUAN CABIL, JR., ALEJANDRO CAMPOS, GUILLERMO CARRIDO, ANTONIO CAPILLO, TEODORO DALES, JOSE DELAGON, DIONISIO ESTIOCA, JULITO ELNAS, CESAR ESTRADA, REYNERIO ESTRADA, ROGELIO FELICIANO, WILFREDO FIRMA, ROMEO FABIAN, ROSALIO GANGOSO, WILFREDO GONZALES, ROGELIO GUADALQUIVER, FELICIANO HANIO, MARIA LAGONERA, BEETHOVEN LUCEÑO, PEPITO LIMOSNERO, WILFREDO LIMUA, LYDIO LUBATON, LOLITO LAURA, FLORENTE LEDESMA, CLARITO MAGALSO, ALEJANDRO MAGRELOS, TEOFISTO MARIANO, VENANCIO MADRAZO, JESUS MONTEVERDE, JACINTO NATIVIDAD, JULIO OLVIDO, LITO OCEÑA, JOSE OROC, JOSE ORQUIA, ROGELIO PELINGGON, ROMEO PELINGGON, RODOLFO DEL PRADO, ELIAS DEL PRADO, ANGELITO PARNONCILLON, ERNESTO PACENIO, JOSE PALMA, RODOLFO QUINDAY, ARTURO RUSSIANA, VICENTE RAMOS, ANSELMO RAMIREZ, RODOLFO ROQUE, BERNABE RAMAS, JR., ANTONIO ROSALES, VICTORIANO SERNA, PRIMITIVO SILOT, ROLANDO SUACITO, ALBERTO SOLIVIO, RODOLFO TANGCO, HERNANI TERCENA, JOSUE TAYONA. OSIAS VILLANUEVA, RICKY ZARAGOZA, Petitioners, v. THE HONORABLE MINISTER OF LABOR AND EMPLOYMENT, THE NATIONAL LABOR RELATIONS COMMISSION, and ZAMBOANGA WOOD PRODUCTS, INC., Respondents