Construction Science (CnS) is a consulting firm in Northern California dedicated to providing a wide variety of services to the construction, oil and gas, and manufacturing industries. Our experience as consultants and expert witnesses includes many large, complex assignments but our fees are designed to be affordable to any project stakeholder. Simply put, Construction Science believes that anyone who has a problem on a construction project should have access to the same level of experience and expertise often relied upon by larger firms. In addition, our unique fee structure provides certainty in situations where uncertainty is often the norm.