Robert G. McHendrix, 58, the founder and president of Georgetown Productions, a television and film production company, and Broadcast News, suppliers of radio and television reports from Washington to broadcast stations around the country, died Sept. 22 at the home of his son in Park Hill, Ky. He had cancer.

Mr. McHendrix, who lived in Washington, was born in Atlanta, Ga. He graduated from the old Cincinnati Conservatory of Music. He began his broadcasting career at a station in Cincinnati and later was program director of WKRC-TV there. In 1961, he joined WRCV-TV, an NBC-owned station in Philadelphia.

In 1963, he joined WRC-TV in Washington as production manager. He became production manager of the station and won an Emmy for documentaries.

Mr. McHendrix founded Georgetown Productions in 1967. He later added Broadcast News as a subsidiary. He headed both companies until his death.

He was a former vice president and governor of the Washington chapter of the National Academy of Television Arts and Sciences.

His marriages to Jay McHendrix and the former Anne Russell ended in divorce.

Survivors include a son by his first marriage, Robert G. Jr., of Park Hill; a brother, James Elmer McHendrix, of Florence, Ky., and one grandchild.