Exxon Mobil Corporation operates within the Petroleum refining sector. In addition to historical fundamental analyses, the complete report available to purchase compares Exxon Mobil with three other companies in this sector in UNITED STATES : Valero Energy Corporation (2020 sales of $64.91 billion of which 94% was Refining), Marathon Petroleum Corp ($69.90 billion of which 95% was Refining & Marketing), and Chevron Corporation ($94.47 billion of which 76% was Downstream).

Sales Analysis. Sales were up sharply during the second quarter of 2021 versus the previous year's second quarter. During the second quarter of 2021, sales at Exxon Mobil totalled $65.94 billion. This is an increase of 104.3% from the $32.28 billion in sales at the company during the second quarter of 2020. This was the biggest same quarter rise in sales at Exxon Mobil in the previous 35 quarters. During the first two quarters of 2021, sales totalled $123.50 billion, which is 41.3% higher than through the first two quarters of 2020. During the year ended December of 2020, sales at Exxon Mobil were $178.57 billion. This is a sharp decrease of 30.1% versus 2019, when the company's sales were $255.58 billion. Contributing to the drop in overall sales was the 37.2% decline in Upstream - U.S., from $9.36 billion to $5.88 billion. There were also decreases in sales in Downstream - Non U.S. (down 31.1% to $92.64 billion) and Downstream - U.S. (down 31.6% to $48.26 billion) and Chemicals - Non-U.S. (down 17.7% to $14.56 billion) and Upstream - Non U.S. (down 37.1% to $8.67 billion) and Chemicals - U.S. (down 12.3% to $8.53 billion) and Coporate and Financing (down 7.3% to $38.00 million) .