Hga, inc. Market Share Analysis for June 2026

formerly hga advertising, 300m is one of the top advertising agencies in columbus, ohio to provide marketing strategy and ad agency services. 300m, headquartered in the arena district of downtown columbus, oh, provides creative collateral design, brand positioning and identity, website design, video production, media planning, ad development (tv ads, radio ads, newspaper and magazine ads, web banner ads), and direct marketing (direct mail/direct response, eblasts, email marketing) .