6243
Citing the disposal of Gencor 's stake in industrial holdings group Malbak Ltd for one billion rand among other smaller disposals , Gilbertson said Gencor had pruned its portfolio to concentrate on core assets .
 Gencor, Gencor, Malbak Ltd, Gilbertson
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:
 Gencor, Gencor, Malbak Ltd, Gilbertson