We Are Your Trusted Advisors & Consultants  At Every Stage of Your Project.

Discover results-driven support from seasoned engineering & project professionals. DEMS, LLC is an engineering, technology, procurement, construction and project management consulting  firm providing dedicated support and  consulting services for oil and gas, petroleum refining, petrochemicals, chemicals, specialty chemicals,  power and infrastructure sectors. Backed by a combined 150+ years of industry experience, our network of consultants can simplify even the most complex project.

Our ultimate goal is to leave each and every client satisfied and proud of their projects. That's why we're always mindful of cost and schedule. Our services are available both throughout the United States and internationally, so location is never a barrier to high-quality support. We're also eager to help potential clients, so please don't hesitate to call.