Material suppliers play a vital role in construction cost estimation, especially when clients have limited knowledge about the quantity of materials required for a project. They provide valuable insights and advice on the types and quantities of materials needed, helping clients to make informed decisions about their budget and project timeline. In addition to estimating quantities, material suppliers also supply the necessary materials, ensuring that the project runs smoothly and stays on schedule. By working closely with material suppliers, clients can optimize their construction projects and achieve their desired outcomes.