Top 4 Small-Cap Stocks In The Industrial Metals & Minerals Industry With The Highest Operating Margin

Below are the top small-cap industrial metals & minerals stocks in terms of operating margin.

The trailing-twelve-month operating margin at Great Northern Iron Ore Properties (NYSE: GNI) is 78.20%. Great Northern Iron Ore Properties' EPS for the same period is $10.29.

The trailing-twelve-month operating margin at Natural Resource Partners LP (NYSE: NRP) is 65.20%. Natural Resource Partners' revenue for the same period is $347.90 million.

The trailing-twelve-month operating margin at Hi-Crush Partners LP (NYSE: HCLP) is 32.30%. Hi-Crush Partners' ROE for the same period is 55.50%.

The trailing-twelve-month operating margin at Avino Silver & Gold Mines (NYSE: ASM) is 24.80%. Avino Silver & Gold Mines' ROA for the same period is 1.40%.