LMI is a three-generation-strong family owned and operated aggregates mining company that provides sand and gravel products for oil and gas well services, highway construction, commercial construction, residential construction, and industrial uses. The Welch family has a long track record of providing the highest quality products and unmatched service to customers for over 40 years. Our customers are our extended family, and we are proud to say that our very first customer over 40 years ago is still a customer today.