Heavy & Highway, Grading of Land, Golf Course Grading, Dams & Ponds, Gravel crushing and Placement, Underground Utilities, Site Grading, Culvert installation

Rock fracturing in situ (dilation) for oil and gas, remediation. Ultra sonic and dynamic stress rock analysis. Research and development coal to clean energy with utilization of CO2 as an energy source.

An accomplished Software Engineering firm specializing in Object-Oriented design with experience in the life cycle of the software design process including requirements, prototyping, proof of concept, design, customization, testing, and maintenance.

Cultural Resources Management, Archaeology, Section 106 compliance, preservation, historic research, Phase I archaeological survey, Phase II site testing/evaluation, Phase III excavations, data recovery, mitigation, GIS, historic research, NRHP evaluation

Professional civil engineering services, general civil and structural design, procurement services, logistics, planning and expediting. Construction management, infrastructure development, project planning scheduling and project execution.

complete site development, asphalt & concrete paving, curbs, clearing & grubbing, soil stablization, grading, site & building Demolition, Highway, Road&Bridge construction, water & Sewer instalation, Stream restoration, Dike Construction, Debris removal, Box culverts

Geosynthetic plastic liner installation landfill construction structure coatings

Geologic consulting for coal and other mineral evaluation and mine permitting, environmental assessments, groundwater hydrology.

Environmental and Civil Engineering Services including site assessment and remediation consulting, environmental impact reporting, permitting, sampling. Standard Civil Engineering consulting

Construction, Heating/Air Conditioning, Limestone Materials, Management, Fuels Provider, Support Services

small to large mid size construction and demolition projects also have wide variety of mbe/wbe and dbe subcontractors

We are a full service site preperation company located in Knoxville TN. We can take raw land and develop it up to the point of vertical construction.

HGS provides a wide range of services from water well and environmental well drilling to dewatering, abandonments, perforation, pumping tests, sampling, well rehabilitation/development and pump service.

EXCAVATION OF ROADS, BUILDING PADS, SAND, GRAVEL AND TOPSOIL SERVICES.

Vertical capabilities include general construction, construction management, design-build and turn-key projects Civil Construction includes transportation, pipelines and utilities, waste water treatment plants, and complete site development.

Heavy Construction, construction of highways and bridges, site preparation, landfill construction and flood control, land reclamation, excavation, small concrete projects (end walls, catch basins, retaining walls, pads, etc.)

Remanufacture and rebuild Industrial Transmissions and Gear Boxes; primarily Allison, BorgWarner, Funk, Twin Disc and miscellaneous other Power Take Off Units, Final Drive Transmissions, Speciality Diesel Engines.

General contruction/contracting, excavation, heavy civil, reclamation, erosion control, restoration, drainage, trench service, road construction.

Consulting firm, risk management inspections, property assistance, industrial, commercial, and home inspections, equipment inspections, code violations, absentee owners, property watch.

Civil Engineering, Stormwater Pollution Prevention Plans, Best Management Practices, Environmental Inspections, Jurisdictional Delineations, Drafting, Range Management, Regulatory Permit Compliance, Training