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The ARRO brand of civil engineering is rooted in our love of our profession, our dedication to our clients, and our desire to improve the environment and the communities we serve.
ARRO currently serves more than 160 municipal clients across 30 counties in Pennsylvania, Maryland, and West Virginia

For over 75 years, municipalities and businesses throughout the mid-Atlantic region have come to rely on ARRO as their engineering firm of choice. Our experienced staff provides municipalities with feasible solutions for establishing quality infrastructure that is economically viable for the growth of the community. Our unique combination of full-service capabilities backed by a proven track record of success show that ARRO is the right choice for even the most challenging civil/municipal projects.

CivilMunicioal Service Photo

We know what matters to you – successful communication, cost-effective solutions, and delivering exceptional results on time and within budget. We understand that our reputation rests on committing to our clients, anticipating their needs, and staying ahead of expectations.