Check out our pictures of Concrete Raising and Leveling - Before & After The following are some of our concrete raising and leveling projects. Before After Services: Walkway Lifting and Leveling.Location: Columbia, Maryland SUNKEN CONCRETE? Don’t Replace It – We Raise It! Get a free estimate WHY CHOOSE A-Plus Lifting Over 20 years of experience in the construction business.Owner is a Civil Engineer.Fully-licensed and insured by the Maryland Home Improvement Commission (MHIC).Privately-owned and locally-operated.We use one of the top Polyurethane manufacturing companies in the US.Free inspection and estimates.Five years guarantee on our services. Schedule an Appointment for a Free Estimate Please fill out the form and we will be in touch with you shortly. Please enable JavaScript in your browser to complete this form.Name: *Email *Phone Number: *Project Address: *City: *Zip Code: *Project Description: *EmailSubmit