The Bombay Stock Exchange said on Tuesday it resolved 152 investor complaints against 113 companies in June.
The BSE received a total of 144 complaints against 120 companies during the month.
These include grievances from previous periods as well, the premier bourse said in a statement.
The BSE further said the majority of pending complaints, nearly 1,064, were against Vatsa Corporation as of June, 2012.
Among others, 57 complaints were pending against Montari Industries, 53 against Arihant Industries, 52 against EnkayTexfoods Industries, 45 each against Montari Leather, 44 against Eastern Mining & Allied, 43 against Mukerian Papers, 32 against Pentafour Products, 28 against Padmini Technologies and 27 against Lan Eseda Industries.
Trading in securities of the aforesaid companies has been suspended, the BSE added.