< PrevNext > 82. Omnicom Group New York Share 2020 U.S.-Booked Air Volume: $9.5MBTN estimates that U.S.-booked air volume in 2020 for marketing communications business Omnicom Group fell to $9.5 million from an estimated $52 million in 2019. The company’s fiscal year ended Dec. 31, 2020, and revenues for that 12-month period fell about 11.9 percent to $13.2 billion from 2019’s nearly $15 billion as a result of the Covid-19 pandemic. The company significantly reduced its corporate travel during the pandemic, and noted in its most recent sustainability report that employees would continue to use virtual collaboration tools, “which should reduce reliance on travel as compared to pre-pandemic levels.” Omnicom’s Scope 3 greenhouse gas emissions, which include business travel, fell significantly in 2020 because of the pandemic, and declined from 200,376 carbon dioxide equivalent emissions in 2019 to 28,771.As of Dec. 31, 2020, Omnicom Group employed about 64,100 people worldwide, with 27,100 located in the Americas. The global total represents an 8.4 percent decline from the prior year.