NACCO Industries Inc. reported net income of $6.8 million in the second quarter, with adjusted EBITDA of $15.2 million.
The company's net income per diluted share was 99 cents during the quarter.
In the prior-year period, the company reported net income of $3.1 million, or 45 cents per diluted share.
NACCO said revenue rose 1.7% year over year to $181.1 million.
The company said it shipped 8.2 million tons of coal during the quarter.
Through the first six months of the year, it reported net income of $11.8 million. On a per-share basis, the company posted net income of $1.72.
Year-to-date revenue declined 0.5% from a year earlier to $349.7 million.