The purpose of this study was to develop the personnel's core competency indicators of Kulthorn Premier Company Limited in 9 aspects: 1)Team work & Collaboration 2)Accountability & Commitment 3)Quality Mindedness & Service Mind 4)Communication Ability 5)Change Management 6)Problem Solving & Decision Making 7)Planning & Analytical 8)Leadership       9)  People Management 
The research consisted of two parts. 
The first part consisted of the develop of personnel's core competency indicators. 
The second was studied the opinion of the specialists to develop the indicators factor of the personnel's core competency by Delphi Technique. The samples of the study were 23 specialists. The research instrument was a questionnaire that use to collected data by 2 rounds. Statistic for analyzing were median and interquartile range. The results were as follow :
The 71 indicator of final analysis were considered to be the indicators for development of personnel's core competency indicators at Kulthorn Premier Company Limited : 10 indicator for Teamwork & Collaboration, 10 indicator for Accountability & Commitment, 7 indicator for Quality Mindedness & Service Mind, 9 indicator for Communication Ability, 7 indicator for Change Management, 5 indicator for Problem Solving & Decision Making, 5 indicator for Planning & Analytical, 10 indicator for Leadership and 8 indicator for People Management.
