ADVERTISING & MARKETING : Notes

San Francisco-based Publicis Dialog has acquired Purdom Public Relations, which specializes in technology. The two units have combined annual revenue of $10 million. Terms of the acquisition weren’t disclosed. . . . Costa Mesa-based Buckley/Friedman said it will handle the launch of European Botanical Reference Laboratories Inc.’s Coromega fish-oil nutritional supplement. Billings were estimated at $2.5 million. . . . Roxy.com, an online retailer of juniors clothing, named New Jersey-based Gillespie as its direct-marketing agency. Billings were estimated at $2 million to $5 million.