TRA research in its brand trust report found ACC as No 1 and Ambuja Cement as No 2 in the most trusted brands category. Ambuja cement has featured on this list for three consecutive years while ACC has held the top spot for the last two years. Through their focus on innovation, sustainability and customer centric solutions, the brands have exceeded customer expectations and cemented their reputation as trusted brands, based on a study of 2,553 consumer influencers in 16 cities.