Attorneys with The Chambers Law Firm of Houston are merging into Babst Calland and opening a new office for the Pittsburgh firm in Texas to help it expand its team and capabilities to serve the needs of existing and new oil and gas clients.

“These highly regarded oil and gas attorneys are a natural fit in advancing our firm’s vision to continue to expand our geographic footprint to serve clients’ needs in the development of the Permian Basin and other major and emerging shale plays in the country,” Babst Calland Managing Shareholder Donald C. Bluedorn II said in a statement.

Les R. Chambers, Ryan A. Chambers and Coleman G. Anglin join Babst Calland as shareholders. Nataliya K. Tipton joined as an associate.