This industry comprises establishments primarily engaged in providing advertising services (except advertising agency services, public relations agency services, media buying agency services, media representative services, display advertising services, direct mail advertising services, advertising material distribution services, and marketing consulting services). Illustrative Examples: Advertising specialties (e.g., keychains, magnets, pens) distribution services (except direct mail) Sign lettering and painting services Display lettering services Store window dressing or trimming services Mannequin decorating services Welcoming services (i.e., advertising services) Merchandise demonstration services Cross-References. Establishments primarily engaged in--