Mark Gelfo, PE
LEED-AP, CxA

  Jacksonville Division
1650 Prudential Drive, Suite 200
Jacksonville, FL 32207-8149
904.306.9111
email: tlc corporate


Director: Mark Gelfo, PE, LEED-AP, CxA
Disciplines: Mechanical, Electrical, Plumbing, Fire Protection, Communications & Technology


In Jacksonville, we are committed to developing lasting relationships by consistently delivering excellent design services to building owners and architects. A team approach helps us provide our clients valuable input during the design process. We are highly experienced in hospital design, with projects at Baptist Health Systems, Mayo Clinic, Memorial Hospital, St. Luke's and St. Vincent's medical centers; and in higher education, with projects at the University of Florida, University of North Florida and Florida Community College. Our portfolio also includes central plants, bio-hazard level BL-2 and BL-3 laboratories, call centers, and high-rise office and residential facilities. Our growing staff includes 15 LEED Accredited Professionals, four ACG-Certified Commissioning Authorities, two Healthcare Facility Design Professionals, a certified Lighting Professional, a Registered Communications Distribution Designer, and two Certified Plumbing Designers. Long active in industry associations, our professionals serve as past president of the North Florida Chapter of the U.S. Green Building Council; the North Florida chapter of ASPE; chapter president, historian, and Technical, Energy and Governmental Affairs committee member of the Jacksonville Chapter of ASHRAE; president of the Northeast Florida Section of the IES; and past president and program chair of the North Florida Chapter SMPS. TLC Jacksonville's new LEED Silver-certified office is the first in the state to be certified by the U.S. Green Building Council under LEED for Commercial Interiors and the first building in Jacksonville to achieve Silver certification.