DM0000: The mark consists of the stylized letters "FDH" inside of a shaded square with flattened upper left and lower right corners, next to the stylized wording "INFRASTRUCTURE SERVICES", all contained with a parallelogram-shaped figure.
CC0000: Color is not claimed as a feature of the mark.
DS0000: "INFRASTRUCTURE SERVICES"
GS0421: Consulting services relating to the engineering of broadcast towers; consulting services relating to civil and site engineering, geotechnical engineering, structural engineering, engineering inspections, and radio frequency engineering; [ consulting services in the fields of forensic science; ] testing, analysis and evaluation of materials in the field of engineering and construction relating to assessment and control of subsurface anchor corrosion, unknown foundation investigations, subsurface void detections, concrete structural mapping, structural integrity and capacity analysis, anchor rod testing, trunnion pin friction testing, rapid bridge deck scanning, pipeline distributions, fatigue and vibration analysis, and failure investigations; consulting services in the field of engineering featuring nondestructive evaluation of critical structures; scientific research and development of electromagnetic and dispersive wave propagation techniques, primarily relating to nondestructive test methods applied to broadcast towers and their foundations, transmission towers, water tanks, bridges, dams, levees, and pipelines