2026 American Society of Highway Engineers National Conference

ATCS is a leading engineering and consulting firm offering comprehensive solutions across a wide range of fields, including transportation, program and construction management, traffic planning, environmental planning, geospatial and survey, site civil, bridges and structures, rail and transit, air and noise, water resources, and emergency management services. ATCS is committed to excellence in all aspects of our work, ethical business practices, client-focused service delivery, and social responsibility towards the communities we serve and operate in. 

AB Consultants, Inc. is a leading multidisciplinary consulting and engineering firm in the Baltimore-Washington area. With offices in both Baltimore and Lanham, we serve clients in Maryland, Virginia, Delaware and Washington, D.C.

Founded in 1993, AB provides professional engineering and engineering support services in several areas, including: Land Surveying; Land Planning; Environmental Sciences (Wetlands, Streams, Forests); Stream Restoration Design; Landscape Architecture; Site Civil & Highway Engineering; Hydraulic/Hydrologic Engineering; Structural Engineering; Environmental Site Assessments; Geotechnical Engineering; Utility Engineering; Subsurface Utility Exploration; Construction Management; Construction Inspection; and Materials Testing.

Along with being a minority-owned small business, AB is unique because of the wide variety of services we offer. Rather than having to hire several companies to complete your engineering project, you can choose AB to handle everything. Our knowledgeable staff and their commitment to teamwork and quality allows us to be a “one-stop-shop” for all your civil engineering design projects.

Gresham Smith is a team of diligent designers, creative problem-solvers, insightful planners and seasoned collaborators who work closely with clients to improve the cities and towns we call home. Consistently ranked as a “Best Place to Work,” we are focused on creating a culture that fosters diversity of experience combined with a common goal of genuine care for each other, our partners and the outcome of our work.  From roadways and pathways that connect people and places, to hospitals that promote well-being and recovery, to corporate campuses that encourage productivity and teamwork, our Core Purpose serves as our NorthStar—to plan, design and consult to create healthy and thriving communities.