With changing technology and environmental facing our
industry, the State of Illinois has set higher standards
for the construction field. A quality control laboratory
for asphalt products is located at our Manteno Township
facility. Our technicians, who are certified by the
Illinois Department of Transportation, design and test
all asphalt mixes for compliance with project specifications.
This testing assures the consistency and performance
of all our asphalt pavements. A quality control laboratory
for concrete products is located at our Lehigh Road
facility. Again our certified technicians test and monitor
concrete production for use on a wide variety of projects
from sidewalks to bridges.