PROFESSIONAL AND RELIABLE PAVEMENT MAINTENANCE SINCE 1975. Maintenance Systems of Northern OH INC. has been a contractor for pavement maintenance service since 1975. We are a family owned business that is customer driven. Our longevity is a credit to our customers people who expect quality, service and value. Our dedicated and talented team of employees understands the present task at hand to protect your valuable investment with a guarantee of a high quality, long lasting product, priced fairly and service professionally. Let one of our qualified Estimators come out, evaluate your property and understand YOUR NEEDS, our estimates are free.