Leo & Sons Auto Repair has been serving the Merrimack Valley since 1975. Our family-owned automotive business is committed to repairing and maintaining your vehicle using the highest quality and safety standards. Let our expert technicians keep you on the road! Leo & Sons Auto Repair has been serving the Merrimack Valley since 1975. Our family-owned automotive business is committed to repairing and maintaining your vehicle using the highest quality and safety standards. Let our expert technicians keep you on the road!