William Howard Taft | John Howard | Howard Hughes | General Mills | Howard Stern | Howard University | Ron Howard | Howard Dean | Howard Hawks | Howard Zinn | The Howard Stern Show | Robert E. Howard | Howard Shore | Howard Carter | Howard | Howard Baker | Pat Mills | Howard County, Maryland | Trevor Howard | Michael Howard | John Mills | Clint Howard | Leslie Howard | Clark Howard | Russell Howard | Mike Mills | Howard Barker | Ebenezer Howard | Oliver O. Howard | Leslie Howard (actor) |
In 2004, Treadwell faced controversy after he supported Assemblyman Howard Mills as the party's nominee for the U.S. Senate against Senator Chuck Schumer over the would-be primary candidate Michael Benjamin.
In the 2004 U.S. Senate election, the Conservative Party endorsed Marilyn O'Grady to oppose Republican candidate Howard Mills and incumbent Democratic Senator Charles Schumer.