Browse the Top 3 Engineering Companies Serving Frederick, MD

Connelly & Associates provides precision geotechnical and environmental drilling services across the Mid-Atlantic region. Founded in 1991, we combine advanced equipment with specialized crews to handle projects ranging from bridge replacements to renewable energy infrastructure. Our expertise spans sonic drilling, limited access solutions, and geothermal systems while maintaining strict safety and compliance standards.

CAS Engineering is a leading civil engineering firm specializing in urban renewal and infill development projects in Maryland and Washington, D.C. We provide comprehensive services including feasibility studies, land surveying, and permit processing for residential and commercial clients. Our expertise in navigating regulatory frameworks ensures efficient project approvals and successful outcomes.

Abel Consulting Engineers PA provides full-service structural engineering and cold-formed steel (CFS) design solutions. With expertise in commercial, residential, and institutional projects, we deliver innovative, code-compliant structures using advanced technology and 30+ years of industry experience.