El Oso Construction was established in 2004. We are a full-service telecommunication and cable construction company. We specialize in outside and inside plant fiber optic/coax construction. We are based in Griffith, Indiana with majority of our work being in the Chicagoland/Northwest Indiana area including the City of Chicago. We have also worked on projects in multiple areas around the country. We have a comprehensive background in construction, management, and engineering. We have crews with years of experience and training including: underground and aerial construction, coax and fiber splicing, manhole access and inventory, fiber auditing, small cell and macro cell work.