37 Demolition of buildings; excavation services; foundation contractor services; concrete forming and shoring for buildings; concrete forming and construction of protective concrete shoring for buildings and other commercial or public concrete structures; construction grading; construction grading for buildings, industrial factories, oil and gas wells, water wells, satellite towers, hydroelectric towers, and airports; renovation and restoration of buildings; hydrovac excavation services; construction services, namely, concrete paving, site clearing, excavation, pad preparation, grading, and asphalt paving services; construction services, namely, site clearing; construction, installation, repair and maintenance of underground utilities, including water lines, sewer lines, gas lines and cable lines; construction services, namely, paving, site clearing, excavation and grading; road paving; bio-hazard biological clean-up services; asbestos removal; drain and sewer cleaning and rootering services; hazardous waste clean-up services; hazardous waste sterilization; soil erosion control services; dredging services; road construction; commercial building construction; residential building construction; construction project management; rental of earth moving equipment; solid waste landfill services