L & M Underground, Inc. is one of the leading Colorado directional boring contractors. We provide directional boring and underground utility installations for all types of underground utilities including electric, phone, cable, fiber optics, water, sewer, and gas. We work on large scale utility installations as well as small residential bores. We offer vacuum potholing services for subsurface investigation and utility location. We also provide sewer main & lateral video inspection services. Located in 1830 W 64th Lane, Unit B, Denver, CO 80221, L & M Underground provides directional boring services throughout Colorado.