What is the key to a happy workplace? Is it time off, great benefits, a flexible work schedule, or maybe even pingpong? It could a combination of those, or even all of the above. Those were just some of offerings highlighted by employees of winning businesses last year in The Denver Post’s annual Top Workplaces contest. RELATED: Top Workplaces 2019: Good leaders value their employees and give them a voice It’s that time of year again where employees have the opportunity to put a spotlight on why they think their workplace is best. The nomination process for Top Workplaces 2020 is underway. This is the ninth year the newspaper has participated in Top Workplaces, which honors the best employers in the state as championed by their employees. Any organization — public, private, nonprofit or government — with 50 or more employees in Colorado is eligible.