Operationally Focused Solutions

Allied Engineering and Design partners with clients in the heavy industrial sector to provide quality and cost-effective engineering solutions and exceptional support for their most critical projects and programs. Our highly experienced engineers and designers work in chemical, terminal, and refinery sites executing retrofit, upgrade, brownfield, and greenfield projects. We integrate with our clients and establish deep stakeholder relationships to execute projects efficiently.

Our Values


Our team aims to provide the highest quality services backed by extensive industry knowledge and technical expertise. As engineers, we hold paramount the safety, health, and welfare of the public.


We continuously collaborate with our customers and within our departments to deliver cost-effective solutions designed to meet our client's challenges.



90% of our revenue comes from repeat business. We earn the trust of our customers by being responsive to their needs and delivering consistent results.


Dedicated to Our People

We believe in helping both our employees and the owners they work for reach their full potential. That’s why continuous, team based learning and real time feedback are integral to our culture. We empower our people with a common purpose, the right tools, and the supportive culture they need to succeed.

Coming Together to Better Serve our Clients

Allied Engineering and Design is one of five technical service companies under the ARG umbrella. Our industrially focused and complementary sister companies allow capital project, engineering, and facility managers to tap into a deep support network built to overcome the challenges of complex projects and assignments.

What Makes Allied Different?

“Our heavy industrial clients come to Allied for high value engineering expertise, as well as cost effective solutions that boost efficiency, safety, and results.” Curt Schellinger | Vice President