About Us
Who We Are
We are a multi-discipline firm offering bridge, structural, mechanical, electrical, and plumbing services to public and private clients.
How We Started
D+M Engineering PLLC started as a company providing mechanical, electrical, and plumbing engineering services from Austin, TX. In 2025 we expanded our services to include bridge and structural designs, and with over three decades of experience each, David Mitchell, PE and Muna Mitchell, PE provide bridge, structural, HVAC, electrical, lighting, and plumbing designs for routine and complex projects.
Our Partnership
From commercial to residential and public projects, from buildings systems to infrastructure, we deliver innovative and efficient engineering solutions tailored to our clients' needs. We have designed bridge and other structures and lighting systems for infrastructure across Texas and beyond. We are passionate about sustainability and working with people to make their projects successful.