20337
General Dynamics Services Co. , a unit of General Dynamics Corp. , won a $ 48.2 million Army contract to establish maintenance facilities for tracked vehicles in Pakistan .
 General Dynamics Services Co., General Dynamics Corp., $ 48.2 million, Army, Pakistan
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
Answer:
 General Dynamics Services Co., General Dynamics Corp., $ 48.2 million, Army, Pakistan