M & J Underground is a full union company with the objective to serve outr surrounding communities with site utility and underground conctruction services. We are family owned and operated and have been in business for over 35 years. We are located in Monee, IL and are licensed, bonded and insured in the following services. Septic tanks and systems cleaning, sewer cleaning and repair, water main installation and repair, and small paving jobs. Give us a call today.