United States Lime & Minerals, Inc. ("US Lime") is a public company traded on the NASDAQ Global Market under the symbol USLM and conducts its business through two segments: Lime and Limestone Operations and Natural Gas Interests. The Lime and Limestone Operations manufactures lime and limestone products, supplying primarily the construction (including highway, road and parking lot contractors), metals (including steel producers), environmental (including municipal sanitation and water treatement facilities and flue gas treatment), oil and gas services, industrial (including paper and glass manufacturers), roof shingle and agriculture (including poultry and cattle feed producers) industries.