The indictments say the P.A.C. gave $190,000 to a committee controlled by the Republican National Committee, along with a list suggesting which state candidates the committee should contribute to and in what amounts, documents say. The indictments say the Republican National Committee, through the same committee, later made $190,000 in contributions to seven candidates for the Texas House of Representatives.

James W. Ellis, 47, of Virginia, a top DeLay aide and one of the committee's officers, was charged with money laundering in a single indictment, documents say. The indictment says he was the one who presented the check and the list to the Republican National Committee.

The committee's executive director, John D. Colyandro, 40, of Texas, was charged with illegally accepting corporate contributions in 13 indictments and a 14th indictment charged him with money laundering, documents say.

And a fund-raiser for the committee, Warren M. Robold, 48, of Maryland, was changed in nine indictments with soliciting and receiving illegal corporate contributions, documents say.

Officials at the Republican National Committee could not be reached for comment on Tuesday.

The grand jury also indicted eight companies, accusing them of making illegal contributions to the committee, ranging from $25,000 to $100,000. They are: Sears, Bacardi U.S.A. Inc., Westar Energy Inc., Cracker Barrel Old Country Store, Williams Companies Inc., the Questerra Corporation, Diversified Collection Services Inc. and Alliance for Quality Nursing Home Care Inc.

Texas prosecutors say the investigation is continuing.

"What has emerged is the outline of an effort to use corporate contributions to control representative democracy in Texas," said Ronald Earle, the district attorney in Travis County. Mr. Earle, a Democrat, would not say whether Mr. DeLay was a target of the investigation. "Anybody who has committed a crime in this context is a target," he said.

In an interview earlier this year, Mr. Ellis said that he, Mr. DeLay and Mr. Colyandro had created Texans for a Republican Majority P.A.C. and that Mr. DeLay served on a five-member advisory board that decided which candidates to endorse.