As a pavement maintenance contractor, you have four potential tactics for increasing sales from a current client. Until you are removing all of your client’s parking lot headaches, you have room for expanding sales from that client. If the relationship could be better, your client will openly express displeasure. How many of your clients understand how to maximize the service life of their parking lot? Take photos of problem areas in your client’s lot. You need a referral system that is going to consistently remind your current clients that you are interested in adding new clients.