So much for worries that no one would want to run L.A./Ontario International Airport.

A search for new management at the troubled airport attracted global interest.

Companies in Germany, India, Korea and Australia submitted proposals to Los Angeles World Airports, the agency which operates ONT but which requested proposals to take over the job.

And two heavyweight firms are among the interested parties: Goldman, Sachs & Co. and the Carlyle Group.

Goldman, Sachs, a global investment banking and securities firm, has assets of $911 billion and more than 35,000 employees worldwide. The company received $5.5 billion in federal bailout funds in 2008.

The Carlyle Group, the second-largest private equity firm in the world, once had former President George H.W. Bush as an adviser.

A presentation to LAWA's Board of Airport Commissioners on the 10 proposals is expected in May. The airport commissioners are expected to make recommendations on the proposals.

LAWA officials have indicated the purpose of the expressions of interest was to inform them as to how best to proceed with operations at ONT.

Gina Marie Lindsey, LAWA's executive director, has referred to the Expressions of Interest responses as encouraging and said they indicate "ONT is a key asset for the city of Los Angeles."

While representatives of the Goldman, Sachs subsidiary said they felt they did not meet the requests outlined in the EOI, they decided to submit a letter offering their opinion after they were "encouraged" to by LAWA representatives and their consulting team.