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| Concrete & Masonry |
| Concrete - Barriers | Concrete - Coring & Drilling |
| Concrete - Curbs, Gutters, Sidewalks & Driveways | Concrete - Cutting & Sacking |
| Concrete - Decorative Pavement | Concrete - Extruded Curbing |
| Concrete - Flatwork | Concrete - Gravity Block & Retaining Walls |
| Concrete - Pavement | Concrete - Pre-Cast Wheel Stops |
| Concrete - Recycling | Concrete - Retaining Walls |
| Concrete - Streetscaping | Concrete - Trip Hazard Removal |
| Concrete - Wheelchair Ramps & Grab Rails | Flood Proofing |
| Masonry - Construction | Masonry - Restoration & Cleaning |
| |
| Demolition |
| Asphalt Removal | Buildings & Structures - Demolition/Removal |
| Buildings & Structures - Moving | Concrete Removal |
| Hazardous Material Removal & Abatement | Petroleum Contaminated Soil Removal & Disposal |
| Refuse Removal & Disposal |
| |
| Earthwork |
| Drilled Shafts | Dust Control |
| Erosion Control | Excavation and Trucking |
| Grading | Horizontal Boring/Drilling |
| Landslide Repair |
| |
| Electrical & Communication Construction & Repair |
| Computer/IT Services | Electrical - Construction |
| Electrical - High Voltage | Electrical - Low Voltage |
| Fiber Optics | Generator Inspection and Maintenance |
| Generator Installation | Generator Installation and Repair |
| Lighting - Exterior | Lighting - Illuminated Signs |
| Lighting - Interior | Lighting - Street |
| Panel Manufacturing | Radio Communications |
| Security System Installation and Repair | Sound System Installation and Repair |
| Telecommunications Service Provider/VOIP | Telephone Wiring/Installation |
| Traffic - Control Devices/Signals | Traffic - Loop |
| UPS System |
| |
| Facility Construction, Repair & Maintenance |
| Acoustical Ceilings | Asbestos Removal (Certification Required) |
| Bird Control | Cabinetry - Interior |
| Carpentry - Finish | Carpentry - Rough |
| Carpet Cleaning | Compactor Repair & Maintenance |
| Countertops | Disaster Restoration |
| Doors - Accordion Door/Operable Wall | Doors - Garage |
| Doors - Overhead | Doors - Pedestrian Automatic & Manual |
| Elevators - Repair & Maintenance | Equipment/Appliance Repair & Maintenance |
| Exhaust Extrication Systems | Fall Protection & Installation |
| Fire - Damage Clean-Up | Fire - Detection & Alarms |
| Fire - Protection Systems | Fire Extinguisher & Fire Suppression Systems Installation |
| Flood Proofing | Floor Coverings - Carpet |
| Floor Coverings - Vinyl | Floor Finishes |
| Food Service Equipment Installation & Repair | Furniture Moving & Short Haul Transfers |
| Graffiti Removal | Gutters - Cleaning & Repair |
| Gutters & Downspouts | Hoist/Crane Service and Repair |
| HVAC - Cleaning | HVAC - Inspection & Maintenance |
| HVAC - Installation/Control | HVAC - Repair & Replacement |
| HVAC - Test/Balancing | Industrial Cleaning and Vacuuming |
| Insulation | Janitorial & Building Maintenance |
| Laundry Hook-Ups/Drains | Metal Fabrication |
| Millwork - Interior Trim | Mold Remediation/Removal |
| Moving, Storage and Relocation Services | Non-Slip/Skid Surfacing |
| Painting - Exterior | Painting - Interior |
| Pest and Vermin Control | Plastic Fabrication |
| Pressure Washing | Roofing |
| Roofing - Moss Removal & Treatment | Scales - Installation, Maintenance, and Repairs |
| Security Systems | Sound Systems |
| Tile, Marble & Slate | Transmission repair – detroit diesel allison |
| Wallboard | Wallpaper & Wallcoverings |
| Water Damage Restoration | Waterproofing, Coating & Sealing |
| Welding | Windows - Cleaning |
| Windows & Glazing | Woodwork - Custom & Prefabricated |
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| Fuel Maintenance |
| Generator Fuel Maintenance | Tank Cleaning |
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| General Contracting |
| Building Contractor | General Contractor |
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| Hazardous Materials |
| BioHazardous Response and Decontamination |
| |
| Marine Construction |
| Breakwall/Seawall/Breakwater Replacement & Repair | Diving/Salvage |
| Docks - Fabrication of New Docks | Docks - Floating Dock Repair |
| Docks - Recreational Boat Docks | Docks - Repair & Replacement |
| Docks, Bridges, Pilings, Wharfs & Floats | Dredging |
| Marine Contracting | Pile Diving |
| Slope Protection |
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| Plumbing & Mechanical Construction & Repair |
| Heat & Frost Insulation - Ducts & Pipes | Hot Tapping - Fire Sprinklers |
| Hot Tapping - Flow Meters | Hot Tapping - Victaulic, Flanged, Mechanical Pipe |
| Incinerators & Boilers | Natural Gas |
| Pipe - Sacking | Pipe - Victaulic, Flanged, Mechanical Joint |
| Plumbing | Pumps |
| Vehicle Exhaust Extraction Systems |
| |
| Roadway Construction, Repair & Maintenance |
| ADA Detectable Warnings | Asphalt Pavement - Chip/Crack Repair |
| Asphalt Pavement - Grinding/Planing | Asphalt Pavement - Minor Repairs |
| Asphalt Pavement - Renewal | Asphalt Pavement - Roadways |
| Asphalt Pavement - Seal Coating | Asphalt Pavement - Speed Bumps |
| Concrete Paving | Guardrail Installation |
| Manhole and Valve Adjustments | Mud-Jacking |
| Pavement Markings - Hot Tape | Pavement Markings - Paint Striping |
| Pavement Markings - Raised | Pavement Markings - Thermoplastic |
| Roadway Construction | Roadway Sweeping |
| Rockeries | Slurry Seal |
| Snow Removal | Traffic Control Devices |
| Traffic Sign Installation/Replacement | Waterproofing/Coating/Sealants |
| |
| Sanitary Sewer Facility Construction & Repair |
| Grouting and Sealing | Hot Tapping |
| Manhole Rehabilitation | Pipeline - Repair (Dig Up/Spot Repairs) |
| Pipeline - Video Inspection | Residential Side Sewer Service Installation |
| Sanitary Sewer - Cleaning | Sanitary Sewer - Construction |
| Sanitary Sewer - Internal Repairs | Side Service Construction |
| Temporary Bypass Pumping |
| |
| Site Improvement & Repair |
| Athletic Surfacing Systems | Fencing & Gates - Chainlink |
| Fencing & Gates - Wood, Metallic, Wire | Fiberglass Railing Systems |
| Gates - Hydraulic | Holiday Lighting Installation |
| Horizontal Drilling and Boring | Irrigation Systems |
| Landscape Improvements (Not Maintenance) | Landscape Maintenance |
| Mud Jacking | Netting |
| Playfield Lighting | Playground Equipment |
| Portable Office Buildings | Portable Toilet Services |
| Retaining Walls | Rip Rap |
| Sign Installation | Signs |
| Structures - Metal Pole Buildings | Structures - Prefab Metal |
| Trenchless Pipe Installation | Underground Storage Tank Installation/Removal |
| Vertical Climbing Walls |
| |
| Storm Drainage Facility Construction & Repair |
| Bank Stabilization | Catchbasin/Manhole Rehabilitation & Repair |
| Culverts - Large Diameter | Detention/Retention Ponds |
| Flood Proofing | Open Channels |
| Pipeline - Bursting & Jacking | Pipeline - Construction |
| Pipeline - Rehabilitation (Internal) | Pipeline - Repair (Dig Up/Spot Repairs) |
| Pipeline Cleaning | Pipeline Testing |
| Pipeline Video Inspection | Rip-Rap |
| Storm Drainage Construction | Stream Restoration |
| |
| Vegetation Work |
| Aquatic Vegetation Removal and Management | Brush and Vegetation Removal - Natural |
| Brush Control - Manual | Brush Control - Mechanical |
| Hydroseeding/Erosion Control | Reforestation/Restoration |
| Stump Grinding & Removal | Tree Transplanting |
| Tree Trimming & Removal | Turf Renovation and Repair |
| Vegetation Disposal | Vegetation Spraying |
| Wetland & Aquatic Vegetation Control |
| |
| Water Facility Construction & Repair |
| Backflow - Testing, Repair, Installation | Commercial Meters/PRV Station Installation |
| Fire Hydrant - Installation and Repair | Hot Tapping |
| Leak Detection | Pump Inspection and Maintenance |
| Pump Installation and Repair | Reservoir - Cleaning, Painting & Caulking |
| Reservoir - Construction | Residential Water Service Installation 2" or less |
| Water Main - Construction | Water Main - Repair |
| Water Tank Interior/Exterior Painting | Water Well Drilling |
| Well Drilling, Development and Redevelopment |