6254
Finally , Gilbertson said a growing proportion of Gencor 's income was coming from offshore and unlisted investments .
 Gilbertson, Gencor
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 Gilbertson, Gencor