Agtek Development Company, Inc.

HIGHWAY 4D

Computer software and hardware system for computing cut and fill volumes of earthwork grading on construction job sites with respect to reference line stationing, offsets and elevations, or latitudes, longitudes and elevation; and for simulating and reporting the temporal progress of the grading process;HIGHWAY FOUR D;HIGHWAY;

MATERIALS 4D

Computer software and hardware system for computing volumes, areas, lengths and counts of paving, concrete and other construction materials applied to a construction job site; and for simulating and reporting the temporal progress of their application;MATERIALS FOUR D;

SITEWORK 4D

Computer software and hardware system for computing cut and fill volumes of earthwork grading on construction job sites with respect to orthogonal coordinates or latitudes, longitudes, and elevation; and for simulating and reporting temporal progress of the grading process;SIGHT WORK FOUR DIMENSIONAL;SITEWORK;

TRACKWORK

computer software and hardware system for monitoring time and motion of earth-work and grading equipment at job sites;TRACK WORK;

UNDERGROUND 4D

Computer software and hardware system for computing pipe lengths, depth distributions, and trench volumes for storm, sewer, water and other pipes on a construction job site; and for simulating and reporting the temporal progress of the excavation and installation;UNDERGROUND FOUR D;UNDERGROUND;