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Classifications

Contractors/Artistic Rock & Water Habitats	Contractors/Heavy Highway
Contractors/Asbestos	Contractors/Highway
Contractors/Bridge	Contractors/Industrial
Contractors/Bridge & Tunneling	Contractors/Landscaping
Contractors/Buildings	Contractors/Marine
Contractors/Communications	Contractors/Masonry
Contractors/Concrete	Contractors/Mechanical
Contractors/Construction Management	Contractors/Multi-Family Housing
Contractors/Design-Build	Contractors/Painting
Contractors/Electrical	Contractors/Remodeling
Contractors/Environmental	Contractors/Roofing
Contractors/Erosion Control	Contractors/Sheet Metal
Contractors/Fireproofing	Contractors/Tenant Improvement
Contractors/Heavy Civil	Contractors/Utility

Accountants	Industrial Cleaning
Accountants/Taxation/Federal & State	Insurance/Bonds & Surety
Architects	Insurance/Commercial
Attorneys/Claims/Arbitration/Litigation	Insurance/Employee Benefits
Attorneys/Construction Law	Insurance/Property and Casualty
Attorneys/Corporate/Partnership/JV/LLC	Insurance/Self Risk Management
Attorneys/Environmental	Maintenance - Lawn Care
Attorneys/Government Contracting	Manufacturing
Attorneys/Insurance Matters	Materials/Drywall
Attorneys/Labor and Employment	Mining
Attorneys/Liens/Bonds/Retainage	Occupational Medicine
Attorneys/Real Estate	Plan Center/Internet
Attorneys/Safety (OSHA/DOSH)	Plumbing Systems
Attorneys/Workers Compensation	Printing/Publications
Attorneys/Zoning/Land Use	Project Management
Banks	Promotional Merchandise
Building Materials	Property Management
Cabinetry	Real Estate Development
Constructability Reviews	Recycling Services
Construction Software	Refrigeration
Consultants/Asbestos	Rentals/Sales - Containers
Consultants/Claims	Rentals/Sales - Equipment
Consultants/Claims/Litigation	Rentals/Sales - Traffic Control Devices
Consultants/Construction Management	Rock/Gravel/Sand
Consultants/Education and Training	Safety Equipment
Consultants/Engineering	Safety Supplies
Consultants/Environmental	Safety Training
Consultants/Risk Management	Sanitary Facilities
Consultants/Roofing	Scheduling
Consultants/Roofing and Waterproofing	Security Guard Services
Consultants/Safety	Sewer & Septic/Cleaning & Maintenance
Consultants/Technology	Steel Fabrication
Custom Branded Apparel	Subsurface Investigation
Disposal Services	Supplies - Cement
Document Management	Supplies - Concrete
Earthwork Services	Supplies - Erosion Control
Employee Benefits	Supplies - Finishes
Engineering	Supplies - Glass
Engineering/Geotechnical	Supplies - Metals
Engineers/Structural	Surveyors
Equipment Accessories	Testing/Inspecting Services
Estate and Investment Planning	Thermal/Moisture Protection
Financial Advisors	Trade Show Displays
Fleet Management	Traffic Control
Glass Fabrication	Transportation - Shuttles
Ground Penetrating Radar	Trucking
Human Resources	Waste Collection
HVAC - Sales/Service/Repair	Water & Wastewater
Hydro-Excavating	Woods, Plastics & Composites

Project Management and Coordination	Temporary Telecommunications
Sanitary Facilities	Temporary Utilities
Temporary Lighting

Asbestos Abatement	Recycling
Asbestos Assessment	Remediation Soil Stabilization
Asbestos Remediation	Removal and Disposal of Asbestos Containing Materials
Comingled	Removal and Disposal of Asbestos Contaminated Soils
Contaminated Site Material Removal	Removal and Disposal of Contaminated Soils
Demolition	Removal and Disposal of Materials with Mold
Demolition and Structure Moving	Removal and Disposal of Organically Contaminated Soils
Environmental Assessment	Removal and Disposal of Polychlorinate Biphenyl Contaminated Soils
Excavation and Handling of Contaminated Material	Removal and Disposal of Polychlorinate Biphenyls
Facility Remediation	Removal and Salvage of Construction Materials
Geomembrane Waste Containment	Removal and Salvage of Historic Construction Materials
Handling of Lighting Ballasts and Lamps Containing PCBs and Mercury	Scrap Metal
Hazardous Material Assessment	Site Containment
Lead Remediation	Site Remediation
Maintenance of Facility Remediation	Soil Vapor Extraction
Maintenance of Site Remediation	Structure Demolition
Maintenance of Underground Storage Tank Removal	Surface Cleaning Decontamination
Mold Remediation	Surface Removal Decontamination
Mold Remediation Preparation and Containment	Transportation and Disposal of Hazardous Materials
Physical Decontamination	Underground Storage Tank Removal
Plastics	Waste Containment
Polychlorinate Biphenyl Remediation	Water Decontamination
Precautions for Mold Remediation	Wood

Architectural Cast-in Place Concrete Forming	Maintenance of Concrete
Cast Underlayment	Permanent Stair Forming
Cast-in-Place Concrete	Post-Tensioned Concrete
Chain Concrete Wall Sawing	Precast Architectural Concrete
Colored Concrete Finishing	Precast Concrete Specialties
Concrete	Precast Structural Concrete
Concrete Core Drilling	Pumped Concrete
Concrete Cutting	Reinforcing Steel
Concrete Cutting and Boring	Shotcrete
Concrete Finishing	Site-Cast Concrete
Concrete Forming	Specialty Placed Concrete
Concrete Reinforcing	Stamped Concrete Finishing
Concrete Topping	Stressing Tendons
Exposed Aggregate Concrete Finishing	Structural Cast-in-Place Concrete Forming
Faced Architectural Precast Concrete	Structural Concrete
Falsework	Tooled Concrete Finishing
Flat Concrete Sawing	Track Mounted Concrete Wall Sawing
Grooved Concrete Surface Finishing	Underwater Placed Concrete
Grouting	Wire Concrete Wall Sawing
Hand Concrete Wall Sawing

Adobe Unit Masonry	Masonry Accessories
Clay Unit Masonry	Masonry Grouting
Concrete Form Masonry Units	Multiple-Wythe Unit Masonry
Concrete Unit Masonry	Refractory Brick Masonry
Dry-Placed Stone	Stone Assemblies
Exterior Stone Cladding	Unit Masonry
Glass Unit Masonry	Unit Masonry Panels

Decorative Formed Metal	Metal Specialties
Decorative Metal	Metal Stairs
Decorative Metal Railings	Metals
Decorative Metal Stairs	Pipe and Tube Railings
Formed Metal Fabrications	Shop-Applied Coatings for Metal
Metal Fabrications	Steel Joist Framing
Metal Floor Plates	Structural Metal Framing
Metal Railings	Structural Steel Framing

Architectural Millwork	Wood Framing
Wall Paneling

Architectural Wood Casework	Metal Roof Panels
Dampproofing and Waterproofing	Millwork
Finish Carpentry	Sheet Metal Flashing and Trim
Firestopping	Sheet Metal Roofing
Flashing and Sheet Metal Restoration	Steel Siding
Foamed-In-Place Insulation	Thermal and Moisture Protection
Glued-Laminated Construction	Thermal Insulation
Membrane Roofing	Thermal Protection

Curtain Wall and Glazed Assemblies	Openings
Entrances and Storefronts	Roof Windows
Entrances, Storefronts, and Curtain Walls	Roof Windows and Skylights
Glazing	Windows
Metal Doors and Frames	Wood Doors and Frames

Acoustical Ceilings	Signage
Ceramic Tiling	Special Coatings
Concrete and Masonry Coatings	Specialty Ceilings
Finishes	Stone Tiling
Fire-Retardant Coatings	Tiling
Masonry Flooring	Wood Ceiling Panels

Awnings	Interior Specialties
Electronic Message Signage

Foodservice Equipment	Laboratory Equipment
Healthcare Equipment	Laboratory Fume Hoods

Casework	Laboratory Casework
Concrete Countertops	Manufactured Wood Casework
Countertops	Specialty Casework

Fabricated Engineered Structures	Sound, Vibration, and Seismic Control
Metal Building Systems	Special Construction

Fire Pumps	Fire-Suppression Standpipes
Fire Suppression	Fire-Suppression Water Storage
Fire-Extinguishing Systems	Water-Based Fire-Suppression Systems
Fire-Suppression Sprinkler Systems

Plumbing

Central Cooling Equipment	HVAC Air Distribution
Central Heating Equipment	HVAC Ducts and Casings
Central HVAC Equipment	HVAC Insulation
Duct Insulation	HVAC Piping and Pumps
Heating, Ventilating, and Air Conditioning (HVAC)	Instrumentation and Control for HVAC
HVAC Air Cleaning Devices

Integrated Automation

Electrical	Lighting
Electrical and Cathodic Protection	Low-Voltage Electrical Transmission
Facility Electrical Power Generating and Storing Equipment	Medium-Voltage Electrical Distribution
Instrumentation and Control for Electrical Systems	Operation and Maintenance of Electrical Systems

Communications	Structured Cabling
Data Communications

Electronic Access Control and Intrusion Detection	Electronic Safety and Security
Electronic Detection and Alarm	Electronic Surveillance
Electronic Monitoring and Control	Fire Detection and Alarm

Aggregates for Earthwork	Erosion and Sedimentation Controls
Anchor Tiebacks	Excavation
Auger Cast Grout Piles	Excavation and Fill
Bored and Augered Test Piles	Excavation Support and Protection
Bored and Socketed Piles	Foundation Anchors
Bored Concrete Piles	Gabions
Bored Piles	Geosynthetic Soil Stabilization and Layer Separation
Clearing and Grubbing	Grading
Cofferdams	Riprap
Dewatering	Shoring and Underpinning
Drilled Caissons	Shotcrete Soil Slope Stabilization
Drilled Concrete Piers and Shafts	Site Clearing
Drilled Micropiles	Slope Protection
Driven Piles	Soil Mixing Stabilization
Earth Moving	Soil Stabilization
Earthwork	Soil Treatment
Earthwork Methods	Steel Piles
Embankments	Timber Piles

Aggregate Surfacing	Irrigation
Asphalt Paving	Paving Specialties
Base Courses	Retaining Walls
Bases, Ballasts, and Paving	Site Improvements
Exterior Improvements	Wetlands
Fences and Gates	Wetlands Restoration
Flexible Paving Surface Treatment

Communications Distribution	Sanitary Utility Sewerage Structures
Communications Structures	Site Grounding
Communications Utilities	Storm Drainage Structures
Culverts	Storm Drainage Utilities
Electrical Utilities	Storm Utility Drainage Piping
Electrical Utility Services	Storm Utility Drainage Pumps
Electrical Utility Transmission and Distribution	Storm Utility Water Drains
High-Voltage Switchgear and Protection Devices	Subdrainage
Instrumentation and Control for Water Utilities	Utilities
Low Pressure Utility Sewerage	Utility Septic Tanks
Medium-Voltage Utility Switchgear and Protection Devices	Utility Substations
Ponds and Reservoirs	Utility Transformers
Sanitary Sewerage Utilities	Wastewater Utility Pumping Stations
Sanitary Utility Sewerage	Water Utilities
Sanitary Utility Sewerage Force Mains	Wireless Communications Distribution
Sanitary Utility Sewerage Piping

Airfield Signaling and Control Equipment	Roadway Signaling and Control Equipment
Bridge Signaling and Control Equipment	Transportation Signaling and Control Equipment
Bridges	Vehicle Barriers
Roadway Construction	Vehicle Delineators

Concrete Gravity Dams	Waterway and Marine Construction
Dam Construction and Equipment	Waterway and Marine Construction and Equipment
Marine Construction and Equipment	Waterway Construction and Equipment
Underwater Construction

Instrumentation and Control for Process Systems

Cranes	Trucks/Trucking
Cranes and Hoists

Industry-Specific Manufacturing Equipment

Electrical Power Generation