ADMAN: As local advertising agencies have garnered...

ADMAN: As local advertising agencies have garnered national recognition for their creativity, new production facilities are springing up here. . . . Philip J. Salvati, president of the award-winning Costa Mesa ad agency of Salvati Montgomery Sakoda, Inc.(D6), said that until a few years ago, agency executives had to trek to Los Angeles for videotape or still-photo work. . . . Today, he said, this work can be done in the county, making the trip north necessary for only the most difficult shoots.