CREATE TABLE table_75183 ("Company" TEXT, "Type" TEXT, "Principal activities" TEXT, "Incorporated in" TEXT, "Group's Equity Shareholding  ( 10 March 2010 ) " TEXT)

Which company's principal activities are catering services, and a Group's Equity Shareholding (as of March 10th 2010) of 40%?
SELECT "Company" FROM table_75183 WHERE "Principal activities" = 'catering services' AND "Group's Equity Shareholding (10 March 2010)" = '40%'
SELECT "Company" FROM "table_75183" WHERE "Group's Equity Shareholding (10 March 2010)" = '40%' AND "Principal activities" = 'catering services'