Have a Project to Discuss?

Thank you for your interest in Connelly and Associates, one of the largest geotechnical drilling firms in the Washington D.C. and Baltimore, Maryland region. We look forward to completing your drilling project safely and on-time.

To request a quote, complete the form below. Our team will respond promptly with a no-commitment phone call. On the call we will:

  • Ask you questions to understand the scope of your project.
  • Share our experience working in similar projects.
  • Provide you with pricing on the phone or within a day.
  • Discuss availability and materials we’ll need to get started on permitting.




If you prefer, just give us a call at 800-864-6895.

“Connelly & Associates continues to perform at an exceedingly high level.  At the St. Elizabeth’s West Campus project, Connelly has performed a substantial amount of work for us where they were consistently punctual, professional, and efficient.  They were faced with many difficult challenges on this project, but they were able to troubleshoot effectively and provide quality subsurface information.”

Rebecca L. Smith-Zakowicz, C.P.G.

“Connelly Drilling, in our opinion, is one of the best managed and dependable drilling firms in the Washington-Metropolitan Area and they continue to display diverse drilling expertise in taking on and successfully completing many varied and difficult drilling assignments throughout our region.  They provide strong field support to their drill crews, they continue to grow and maintain their drilling fleet as demands or opportunities dictate, and they are responsive to our needs as a client with timely and dependable communication.  Also, Connelly Drilling is a safety minded firm which is critical to our continued relationship.”

Charles P. Reynolds, C.P.G.

Have a Project to Discuss?

With two locations and more rigs and experience than any firm in the mid-Atlantic region, we’re confident we can handle your project.


In Memory of
Jonathan S. Ford