We're now past the peak of the Q1 earnings reporting period, and the # of companies reporting each day will trickle lower and lower over the next few weeks. While most of the mega-cap companies that every investor pays attention to have already reported their Q1 numbers, there are still plenty of key companies that have yet to have their quarterly day in the sun (or in the storm).

Our Earnings Calendar is a very useful resource for investors looking to stay on top of quarterly earnings for the stocks they're interested in.Users can enter specific stock tickers to find key earnings info like expected report date and time, EPS and revenue estimates, historical beat rates for EPS, revenues, and guidance, and historical stock price reactions.You can also see all earnings reports expected on a given day or during a given week over the next month.

Below is a screenshot of the Earnings Calendar showing the companies reporting this week with the largest Q1 revenue estimates.As shown, Walt Disney (DIS) is on top with estimated revenues of over $14 billion for the quarter.DIS reports tomorrow after the close, and it has historically beaten EPS estimates 80% of the time.

Some other key companies to watch this week include Anheuser-Busch InBev (BUD) on Wednesday morning, Enbridge (ENB) on Thursday morning, 21st Century Fox (FOXA) on Wednesday afternoon, and Marriot (MAR) tomorrow afternoon.