About us L&L Concrete Contractors Residents of Houston and the surrounding areas have been relying on L&L Concrete Contractors since 1994. Our experienced concrete contractors work with both commercial and residential customers. We also have the tools and knowledge to tackle projects of any size. We can draw on over a decade of experience in the industry to provide you with results that will leave you completely satisfied. We offer both flexible appointment scheduling options and reasonable rates on all of our work.