L & M Underground, Inc. is recognized as a leading provider of underground utility installations in Colorado. Founded in 2000, L & M Underground, Inc brings more than 25 years of experience to every job. We complete every utility installation with attention to quality, safety, compliance and timeliness.

We specialize in HDD (horizontal directional drilling), and also perform trenching, rock sawing, cable plowing, hydro trenching, fiber pulling and potholing for utility locates. We install underground utilities of all types including electric, phone, cable, telco, fiber optics, water, irrigation, drainage, sewer, and gas. Our knowledgeable crew leaders have experience with challenging projects including rock boring, canal, river, highway and railroad crossings. We work in diverse environments including hospitals, colleges, golf courses, highways, airports, military bases, residential communities, downtown business districts and more. Our fleet of excavators, drills, and experienced crews allow us to serve individual customers with small projects as well as perform large scale utility installations several miles in length.

Our team is ready to put their knowledge, skills, and expertise to work on your excavation project.

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