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| ENGR. ORVILLE F. FERRANCO TIELCO General Manager |
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| FLOR V. GREGORIO TIELCO Internal Auditor |
FRED F. SISCAR TIELCO COMD Manager |
VIVIAN O. GAAC TIELCO FSD Manager |
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| ENGR. AMANTE S. JANDOC JR. TIELCO ESD Manager, OIC July - December 2015 |
DENNIS L. ALAG ISD MANAGER |
ENGR. FELIX D. PANOY II TIELCO ESD Manager, OIC January - June 2015 |
