Based in Washington, DC, JL Terrell Construction was founded in 2017 by the McDuffie family. The family-owned-and-operated company, named for their Grandfather, John Louis Terrell, operates under the principles of integrity, quality, and growth. JL Terrell Construction offers a variety of construction services nationwide and has built its honorable reputation on quality performance.

  • “I believe that in any business, or anything that we do in life, we owe it to the world to be fair, honest, and just.”
  • “You won’t last long in construction unless the finished product is precise, on time, and done with care.”

Key Personnel

Keith S. McDuffie


Keith McDuffie is a founding partner of JL Terrell Construction. His natural intelligence and communication skills, along with his decision-making abilities have helped him create this family business.

Firm Capabilities

J.L. Terrell Construction possesses licenses in general contracting, asbestos abatement, solid waste removal, and Class 7 operating; and hold certifications for Hazwoper 40; DOT/Hazmat/ Security Awareness; 24 Hour Hazardous Materials Technician/Responder; Asbestos Supervisor/Worker; Lead Awareness; Confined Space; & OSHA 40.

Capability Statement v3 (December 2017)