Signage at the Oracle headquarters campus in Redwood City, California.
Michael Short | Bloomberg | Getty Images
Oracle, which has clashed with Alphabet's Google over a range of business issues, has received requests for information from congressional and state investigators looking into allegations the company violated antitrust law.
Oracle, which is knowledgeable about Google's advertising business, has received requests for information from the Texas attorney general's office and from the House of Representatives Judiciary Committee, said Ken Glueck, an Oracle executive based in Washington.
It has also met with the Justice Department on their probe, Glueck said.
Google declined comment on the matter.