NAICS Code Work Description Work Item 115310 - Support Activities for
Forestry
Herbicide Application J1 221310 Water Supply and Irrigation
Systems
Irrigation System (Only) A113 221320 - Sewage Treatment Facilities
Sanitary System Testing &
Inspections A112
236118 – Residential Remodelers
Building Alteration and
Renovation A1
Construction Management A2
Weatherization A3
236220 – Commercial and
Institutional Building Construction
Acoustical ceiling A4
Alteration and Renovation A5 Construction Management A2
Drywall A6
Flooring A7
Metal stud framing A8
Selective Demolition A9 237110 – Water and Sewer Line and
Related Structures Construction
Gas main and services A10 Installation of water main and
services A11
Sewer Main A12
Storm Drainage A13
Subsurface Drainage A14
Underground Storage Tank A15 Water and Sewage Treatment A16 237130 – Power and Communication
Line and Related Structures
Computer and LAN connectivity
equipment A17
Power Plant design A19
Telecommunications A20
Telephone systems (PBX)
installation and support A21 UTP and fiber optic and traffic
signal cable A22
Voice data and video integration A23 237310 – Highway, Street and Bridge
Construction
Asphalt Coating A24
Asphalt Paving A25
Box Culverts A26
Catch Basins A27
High Mast Pole A28
Cold Milling A29
Concrete cutting, sealing A30
Concrete paving A31
Construction Management A2
Crack Sealing A32
Curb and Gutter A33
Delineators A34
Direction Drilling A35
Edge Drain A36
Erosion Control A37
Concrete Railing A38
Fencing A39
Grading A40
Headwalls A41
Highway guardrail A42
Highway signage A43
Landscaping A44
Bridge Painting A45
Maintenance of Traffic, Traffic
Control A46
Manholes A47
Milling A48
Minor concrete A49
Pipe A50
Ramps and Sidewalks A51
Sign construction A53
Slope Paving A54
Storm inlets A55
Storm Water Management and
Foundations A56
Striping A57
Pavement Markings A58
Underground Utility Work A59 237990 – Other Heavy and Civil
Engineering Construction
Commuter Light Rail A60
Drainage A61
Railroad Construction and Repairs A62 Revetment Construction A63 238110 – Poured Concrete
Foundation and Structure Contractors
Concrete Reinforcing A64
Concrete Finishing A65
Concrete Structures to include
AA, B & C Concrete A66 Minor Concrete Structure A67 238120 – Structural Steel and Precast
Concrete Contractors
Cable Barriers A68
Hanging Beams A69
Rebar Installation A70
Reinforced Steel A71
Structural Steel A72
Precast Median Barrier
Manufacturer A73
Precast Median Barrier Supplier A74 Triton Water Barriers A75 238140 – Masonry Contractor
Brick Laying A76
Catch Basins A77
Conflict Boxes A78
Drop Inlets A79
Masonry Work A80
Manholes A47
Junction A82
238190 – Other Foundation, Structure, and Building Exterior Contractor
Curtain wall, metal installation A83 Decorative Steel and wrought iron
installation A84
Fire escape installation A85 Welding on-site contractor A86
SIP Metal Decking A87
Epoxy Application A88
238210 – Electrical Contractors and Other Wiring Installation Contractors
Airport Lighting Supplier A89 High Mast and taxiway lighting A90 Low Voltage Electrical Work A91 Residential/Commercial/Industrial
electrical work A92
Traffic Signal Installation A93 Install Minor Equipment on Mass
Transit Vehicles A94
Surveillance Cameras A114
Networking
Administration/Design A115
Fiber Optics A116
Voice/Data Cabling A117
Card Access A118
Audio/Visual Installs A119
238220 – Plumbing, Heating, and Air-Conditioning Contractors
Aviation Fueling Systems
Installation A95
Fire Sprinkler System Installation
and Maintenance A96
Plumbing Municipal Sewer A98 Septic Tank Cleaning A99 238290 – Other Building Equipment
Contractors
Conveyer System Installation A100 238390 - Waterproofing Contractor
Caulking (i.e. waterproofing)
contractor A101
238910 – Site Preparation Contractors
Clearing and Grubbing A102
Demolition A103
Dirt Work A104
Excavation A105
Grading A40
Boring A106
Bank Stabilization A107
238990 – All Other Specialty Trade Contractors
Billboard Erection A108
Fence Installation A109
Residential and Commercial
Paving, driveways and parking lots A110 Interior Finishing Work A111 32412 – Asphalt Paving, Roofing, and
Saturated materials manufacturing
Asphalt Paving Manufacturer B1 Granular Materials Supplier B2 327332 – Concrete Pipe
Manufacturing
Concrete and Plastic Pipes B3 Conduit Construction B4 332312 – Manufacturer of Structural
Steel
Baskets and Assemblies B5 Load Transfer Dowels B6 332322 – Sheet Metal Work
Miscellaneous Steel Fabrication B7 332618 - Other Fabricated Wire
Product Manufacturing
335932 - Non Current - Carrying Wiring Device Manufacturing
Electric Conduit B9
Junction B10
423120 – Motor Vehicle Supplies and New Parts Merchant Wholesalers
Child Safety Seat Broker C1 Rail and Related Equipment Parts
and Supplies C2
Truck Supplies C3
423210 – Furniture Merchant Wholesalers
Office Supplies and Furnishing C4 423310 – Lumber, plywood,
millwork, doors, windows and wood panel merchant wholesalers
Geotextile fabrics and
geocomposite systems C5
Joint materials C6
423320 - Brick, Stone, and Related Construction Material Merchant Wholesalers
Bagged Cement C7
Dealer of Aggregate and Liquid
Asphalt C8
Safety Supplies C9
423390 – Other Construction Material Merchant Wholesalers
Broker-Wholesale Supplier of Building and Highway
construction materials
C10
Manufacturer of Temporary
Pavement Marking Tape C11 4234 – Professional and Commercial
Equipment and Supplies merchant wholesalers
Supplier of Industrial and
Commercial C12
423610 – Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers
Lighting Supplier C14 423850 – Service Establishment
Equipment and Supplies Merchant Wholesalers
Janitorial Supplies C15
Broker of Janitorial Supplies C38 423860 – Transportation equipment
and supplies merchant wholesalers
Supplier of glass and rubber
products for railroads C16 423990 – Other Miscellaneous
Durable Goods Merchant Wholesalers
Timber C17
425120 – Wholesale Trade Agents and Brokers
Broker of Bulk Chemicals C18 Custom Metal Fabrication &
Machine Parts-Broker’ C19
Brokers of Uniforms C20
Brokers of Promotional Items C21 Broker of Construction Supplies C39 442210 – Floor Covering Stores
Sales, Installation C22
444190 – Other Building Material Dealers
Building and construction
products C23
Commercial construction supplier C24 453998 - All Other Miscellaneous
Store Retailers (except Tobacco Stores)
Janitorial Equipment C25 484110 – General Freight Trucking,
Local
Hauling C26
484122 - General Freight Trucking, Long-Distance, Less Than Truckload
Hauling C26
used good) Trucking
Hauling of Earth Movement
Materials C27
Hauling of Liquid Asphalt C28 485119 - Other Urban Transit
Systems
Trolley System C29
488119 – Other Airport Operations
Airfield Civil C30
Airport Consulting Services C31 Airport Related Service C32
Electrical Design C33
Navaids C34
Transportation Planning C35 488210 – Support Activities for Rail
Transportation
Inspection C36
488490 – Other Support Activities for Road Transportation
Street Cleaning Services C37 511 – Publishing Industries (except
Internet) Writing/Editing Consultant D1 517919 – All Other Telecommunications Information Technology Consulting D2 Software Development D3 523930 – Investment Advice
Financial Planning Services,
Customized D4 524210 – Insurance Agency Accident D5 Casualty D6 Commercial D7 Health D8 Life D9 Property D10
531390 - Other Activities Related to Real Estate
541110 – Office of Lawyers
Consulting Services D12
Legal Services D13
541219 - Other Accounting Services
Bookkeeping D14
541330 – Engineering Services
Civil Engineering Services D15 Construction engineering services D16 Construction Inspection and
evaluation D17
Drainage Design D18
Electrical Engineering Services D19 Environmental engineering
services D20
Mechanical engineering services D21 Preliminary and final plans and
designs – Bridges D22
Preliminary and final plans and
designs - Roadway D23
Preparation of feasibility studies D24
Pump Station Design D25
Sanitary Design D26
541360 – Geophysical Surveying and Mapping Services
Aerial Photography D27
GIS Services D28
Photogrammetry Remote Sensing D29
Mobile LiDar D30
Digital Mapping D31
541370 – Surveying and Mapping (except Geophysical) Services
Mapping Services D32
Topographic surveying services D33 Construction Staking D34 541380 – Testing Laboratories
Calibration testing D35
Concrete and Aggregate Testing D36 Geotechnical Engineering D37
Materials Testing D38
QA/QC Testing-Soils D39
Facilities Planning D40 Interior Floor Plan Layout D41 541512 – Computer Systems Design
Services
Computer Software Consulting
Services D42
Information Technology
Consulting Services D43
Network Designs D44
SAP Software Implementation D45 Security Program
Design/Management D46
Systems Design and
Implementation D47
Computer Repair D125
541513 – Computer Facilities Management Services
Traffic Management Center
Operations D48
Intelligent Transportation
Systems D49
541611 – Administrative Management and General Management Consulting
DBE Program Planning D50 Land Use Planning Services D51 Management Consulting D52 Civil Rights Program
Administration D124
541614 – Process, Physical
Distribution and Logistics Consulting Services
Logistics Consulting Services D53 Physical Distribution D54 Transportation Management D55 541618 – Other Management
Consulting Services
Aviation Planning D56
Construction Consulting and
Management D57
Telecommunications
management consulting services D59 Transportation Planning D60
Program Management D61
541620 – Environmental Consulting Services
Air/Water Pollution Prevention D62 Asbestos and Lead Inspection D63
Climate Change D64
Compliance Audits D65
Construction Storm Water Permit
Application D66
Eco-Logic Restoration Services D67 Ecological Surveys/Analysis D68 Endangered Species Surveys D69 Environmental Contamination D70 Environmental Impact
Assessments, Phase I, II D71 Environmental Studies D72 Environmental: Ornithology D73 Environmental site assessments D74
Greenhouse Gases D75
Investigations D76
Lead Inspections D77
National Pollutant Discharge
Elimination System (NPES) D78 Natural Resources Planning D79
NEPA Services D80
Recycling D81
Risk Assessments D82
Site Assessment D83
Soil Analysis D84
Storm Water management D85
Waste Management D86
Waste Water D87
Water quality D88
Wetland Surveys D89
541690 – Other Scientific and Technical Consulting Services
Cultural Resources Management D91 General Industry and Maritime D92 Historical Preservation D93 Hydrologic and hydraulic
engineering D94
Roadway Improvements D95 Safety consulting services D96 Safety Plans and Programs D97 Traffic Simulation Model D98 Training for OSHA Standards D99
Travel Forecasting D100
541720 - Research and Development in the Social Sciences and Humanities
Social and Economic Analysis D101 541820 – Public Relations Community Relations D102 Consulting Services D103 561110 – Office Administrative Services Management Services D104 561410 - Document Preparation Services Grant Writing D105
561612 - Security Guard Services
Armed and unarmed security D106 Background investigation D107 561621 - Security Systems Services
Electronic Surveillance D108 561730 – Landscaping Services
Installing trees, shrubs, plants,
lawns, or gardens D109
Landscape care (only) D110 Erosion Control (only) D111
Mowing (only) D112
561990 - All Other Support Services
Flagging Services D113
562910 – Remediation Services
Air Monitoring D114
Hazardous Materials Removal D115
Landfill Monitoring D116
Mold Abatement D118
Recovery Technician D119
Site Restoration D120
Soil Analysis D121
Storm Water Management D122 562991 - Septic Tank and Related
Services
Septic Tank Installation D123 611692 – Driver Training
Compliance Monitoring E1 Healthcare Certification E2 711310 - Promoters of Performing
Arts, Sports, and Similar Events with Facilities
Event Planning F1
811111 – General Automotive Repair
Auto body work G1
Collision Repairs G2
Glass/windshield repair G3 811219 – Other Electronic and
Precision Equipment and Maintenance
Fiber optic installer G4 811420 – Reupholstery and Furniture
Repair
Furniture Reupholster G5
Sewing G6
925110 - Administration of Housing Programs
