Online travel site Hotwire.com has named Donat/Wald as its advertising agency of record. Spending was not released.

Harrah's has awarded Horizon Media its estimated $150 million media buying account.

Camelot Communications has been awarded media planning and buying accounts for two Gruma Corporation brands -- Mission Foods and Guerrero Foods. The agency will handle strategic development and communications planning for both accounts. Spending was not released.

Meyer & Wallis has added Sinclair Television Company, doing business as WMSN-TV (FOX 47) to its media planning client roster. The agency will be responsible for media planning, negotiation, placement and auditing responsibilities for the station. Spending was not released.

The Goodyear Tire & Rubber Co. has named McCann Erickson as its United States creative agency. The account is estimated at $40 million. McCann Erickson bested Saatchi & Saatchi for the win.