National Contractor Licensing, Surety Bond & Insurance Directory
Instant statutory liability minimums, official state licensing board fee schedules, exam prerequisites, and instant surety bond pricing for over 5,100 state and trade classifications.
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*Estimates based on standard market rates for commercial artisan contractors. Exact quotes require underwriting review of prior loss history, specific endorsements, and payroll declarations.
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Commercial Artisan & Specialty Trade Categories
Compare insurance prerequisites, risk classifications, and statutory bonding across specialized trades.
General Building Contractor (Class B)
General Building Contractors coordinate and execute residential and commercial structures involving at least two unrelated buildin...
Residential Remodeling & Home Improvement Contractor
Remodeling contractors execute kitchen overhauls, bathroom additions, interior partition modifications, and residential improvemen...
Timber Framing & Heavy Wood Framing Contractor
Timber framing specialists assemble heavy mortise-and-tenon structural wood posts, glulam arches, and mass timber superstructure f...
Structural Steel & Ironwork Erection Contractor (C-51)
Structural Steel contractors erect wide-flange I-beams, steel decking, shear connections, and trusses on multi-story commercial bu...
Scaffolding & Rigging Specialist Contractor
Scaffolding contractors erect modular frame, tube-and-clamp, mast climbers, and suspended swing stages for exterior high-rise cons...
Pre-Engineered Metal Building Contractor (PEMB)
PEMB contractors assemble commercial metal warehouses, agricultural steel barns, hangars, and industrial structural metal shells....
Concrete Tilt-Up Panel Construction Contractor
Tilt-up contractors pour horizontal structural concrete panels on site casting beds and crane-lift them into vertical warehouse pe...
Earthquake & Seismic Retrofitting Contractor
Seismic retrofitting contractors anchor wood-frame buildings to concrete stem walls to resist lateral shear forces during earthqua...
Structural Shoring & Deep Underpinning Contractor
Underpinning contractors stabilize failing foundations and shore up adjacent buildings during deep basement excavations....
Electrical Contractor (C-10 / Master Electrician)
Electrical Contractors install, maintain, and connect power distribution, circuitry, panels, transformers, and emergency generatio...
High-Voltage Transmission & Linework Contractor
High-voltage transmission contractors construct substations, string overhead distribution lines, and splice high-voltage undergrou...
Low Voltage & Structured Cabling Contractor (C-7)
Structured cabling contractors route fiber optics, Cat6A ethernet, data racks, and telecommunication infrastructure in commercial ...
Fire Alarm & Life Safety Systems Contractor (C-10 / C-16)
Fire alarm specialists install smoke detectors, strobes, pull stations, voice evacuation, and central station monitoring interface...
Commercial Security, CCTV & Access Control Contractor
Security contractors install card readers, electronic magnetic door locks, NVR IP video surveillance, and intrusion detection syst...
Building Automation & Smart HVAC Controls Contractor
Building automation contractors install digital direct control (DDC) sensors, actuators, and software managing commercial energy u...
Cell Tower & Telecommunications Contractor
Telecom contractors construct cellular communication towers, rooftop antenna stealth mounts, 5G small cells, and DAS distributed a...
Residential Smart Home & Audio/Video Contractor
Smart home specialists install whole-home audio, motorized shading, home theaters, architectural lighting, and integrated smart ec...
HVAC & Mechanical Contractor (C-20 / Class A)
HVAC Contractors design and install heating, ventilation, air conditioning, and environmental refrigeration systems....
Commercial Refrigeration Contractor (C-38)
Commercial Refrigeration Contractors engineer cold storage warehouses, supermarket rack systems, walk-in blast freezers, and proce...
Boiler, Hot-Water Heating & Steamfitting Contractor (C-4)
Boiler and steamfitting contractors install industrial high-pressure steam boilers, condensate return loops, and commercial distri...
Hydronic Radiant Heating & Geothermal Contractor
Hydronic heating contractors install PEX radiant floor manifolds, geothermal ground-source heat pump loops, and baseboard thermal ...
Sheet Metal Architectural & HVAC Ductwork Contractor (C-43)
Sheet metal contractors fabricate and erect commercial galvanized and stainless steel HVAC duct systems, exhaust hoods, and archit...
Medical Gas & Vacuum Systems Piping Contractor
Medical gas contractors install life-critical oxygen, nitrous oxide, nitrogen, and medical vacuum piping in hospitals and surgical...
Industrial Process Piping & Chemical Transfer Contractor
Process piping contractors install high-pressure piping for pharmaceuticals, petrochemical refineries, food processing, and chemic...
Plumbing Contractor (C-36 / Master Plumber)
Plumbing Contractors handle domestic water supply, sanitary drainage, venting, medical gas, and underground infrastructure....
Backflow Prevention & Cross-Connection Control Contractor
Backflow specialists install, test, and recertify reduced pressure zone (RPZ) and double check valve assemblies protecting public ...
Sewer Line & Trenchless Pipe Relining Contractor
Sewer contractors excavate or trenchlessly line municipal sanitary sewer laterals, storm culverts, and main lines using epoxy epox...
Water Well Drilling & Pump Installation Contractor (C-57)
Water well drillers operate deep rotary drill rigs, place steel well casings, seal sanitary grout rings, and install submersible w...
Onsite Wastewater & Septic System Contractor (C-42)
Septic contractors design and excavate residential and commercial onsite septic tanks, aerobic treatment units (ATU), and absorpti...
Roofing Contractor (C-39)
Roofing Contractors execute steep-slope and low-slope roofing membranes, architectural shingles, metal decking, and waterproofing....
Commercial Flat Roof & Single-Ply Membrane Contractor
Commercial flat roofers install thermoplastic polyolefin (TPO), EPDM rubber, and PVC single-ply membranes on large commercial reta...
Architectural Standing Seam Metal Roofing Contractor
Metal roofing contractors fabricate and install concealed-fastener standing seam Galvalume and copper roof panels for high-wind re...
Glazing & Window Contractor (C-17)
Glazing Contractors fabricate and install aluminum commercial storefront systems, curtain wall facades, hurricane impact windows, ...
High-Rise Glass Curtain Wall & Façade Contractor
Curtain wall contractors install multi-story unitized aluminum and insulated glass thermal envelope facades on high-rise urban tow...
Below-Grade Waterproofing & Dampproofing Contractor
Waterproofing contractors install subterranean membranes, drainage composites, and elastomeric deck coatings preventing structural...
Stucco, Lathing & Exterior Plastering Contractor (C-35)
Stucco contractors install weather-resistive barriers, wire lath, and 3-coat cementitious plaster finishes on residential and comm...
EIFS Synthetic Stucco & Continuous Insulation Contractor
EIFS contractors install Exterior Insulation and Finish Systems combining rigid EPS continuous insulation boards, fiberglass mesh,...
Vinyl, Fiber Cement & Engineered Siding Contractor
Siding contractors install exterior architectural rainscreen cladding, James Hardie fiber cement lap siding, cedar shingles, and v...
Grading, Excavation & Site Preparation Contractor (C-12)
Grading contractors execute site cut-and-fill operations, foundation pad excavation, retention pond digging, and civil soil compac...
Asphalt Paving, Milling & Sealcoating Contractor
Asphalt contractors lay hot-mix asphalt (HMA) pavement, mill deteriorated surfaces, apply tack coats, and execute commercial parki...
Concrete & Foundation Contractor (C-8)
Concrete Contractors form and pour structural footings, stem walls, post-tension slabs, tilt-up concrete walls, and stamped flatwo...
Horizontal Directional Drilling (HDD) & Trenchless Contractor
HDD contractors steer underground drill heads under highways, rivers, and congested utilities to install fiber, gas, and power con...
Highway, Street & Bridge Construction Contractor (Class A)
Heavy highway contractors build interstate overpasses, reinforced concrete bridge piers, culverts, and asphalt freeways....
Deep Piling, Caisson & Foundation Drilling Contractor
Deep foundation contractors drill shafts down to bedrock, pour massive reinforced concrete caissons, and drive steel H-piles for s...
Demolition & Wrecking Contractor (C-21)
Demolition Contractors execute total structural teardowns, interior commercial strip-outs, concrete crushing, and selective decons...
Asbestos Abatement & HazMat Remediation Contractor (C-22)
Asbestos contractors construct sealed negative-pressure HEPA containments, strip friable acoustic asbestos, and haul hazardous was...
Lead Paint Remediation & Abatement Contractor
Lead abatement contractors safely encapsulate, strip, or replace lead-based architectural coatings in pre-1978 residential structu...
Microbial & Mold Remediation Contractor
Mold remediation specialists isolate fungal growth, remove contaminated drywall, run HEPA negative air machines, and apply EPA reg...
Drywall & Lathing Contractor (C-9)
Drywall Contractors erect interior light-gauge metal framing, install acoustic and fire-rated gypsum wallboards, and apply taping ...
Painting & Decorating Contractor (C-33)
Painting and Decorating Contractors apply interior and exterior coatings, elastomeric waterproofing, protective stains, and epoxy ...
Industrial Epoxy & Resin Floor Coatings Contractor
Epoxy flooring contractors shotblast concrete slabs and install multi-coat chemical-resistant epoxy, urethane mortar, and polyaspa...
Ceramic Tile, Mosaic & Terrazzo Contractor (C-54)
Tile contractors set large-format porcelain slabs, mortar mud shower pans, glass mosaics, and pour architectural terrazzo with div...
Hardwood & Parquet Flooring Contractor (C-15)
Hardwood flooring contractors install solid and engineered wood planks, sand floors using dust-containment systems, and apply poly...
Fire Protection & Sprinkler Contractor (C-16)
Fire Protection Contractors design and charge wet, dry, pre-action, and chemical suppression systems in commercial and residential...
Special Hazard & Clean Agent Fire Suppression Contractor
Special hazard fire contractors install waterless gas suppression systems protecting critical data centers, museums, and flight si...
Elevator, Escalator & Moving Walkway Contractor (C-11)
Elevator contractors erect traction and hydraulic passenger elevators, escalators, dumbwaiters, and ADA wheelchair platform lifts....
Swimming Pool & Spa Contractor (C-53)
Swimming Pool Contractors excavate, shoot pneumatically applied mortar, install filtration and heating, and plaster aquatic basins...
Security Fencing, Ironwork & Automated Gate Contractor (C-13)
Fencing contractors erect security chain-link, ornamental wrought iron, crash-rated perimeter barriers, and automated hydraulic ga...
Commercial Architectural Hardware & Locksmith Contractor
Commercial locksmiths install electrified mortise locks, ADA panic hardware, master key hierarchies, and delayed egress security s...
Solar Photovoltaic & Energy Storage Contractor (C-46)
Solar PV Contractors engineer, rack, and tie solar arrays and lithium-ion battery energy storage systems (BESS) into the electrica...
Insulation & Acoustical Contractor (C-2)
Insulation Contractors install closed-cell spray foam, blown fiberglass, and acoustic sound dampeners in building envelopes....
Landscaping & Irrigation Contractor (C-27)
Landscaping Contractors design landscape grading, install backflow-prevented sprinkler lines, sod, pavers, and exterior landscape ...
Masonry & Concrete Block Contractor (C-29)
Masonry Contractors construct load-bearing CMU block walls, decorative brick veneer, retaining walls, and architectural stonework....
Rough & Finish Carpentry Contractor (C-5 / C-6)
Carpentry Contractors specialize in structural framing, shear wall plywood sheathing, timber trusses, and interior millwork and ca...
Flooring & Floor Covering Contractor (C-15)
Flooring Contractors install engineered hardwood, commercial luxury vinyl tile (LVT), porcelain floor tile, and resilient sports f...
Earthwork & Paving Contractor (C-12)
Earthwork and Paving Contractors execute rough grading, trenching, roadbed compaction, hot asphalt paving, and sealcoating....
Swimming Pool Plastering & Interior Finish Contractor
Pool plastering contractors apply white marcite, exposed aggregate pebbles, quartz, and polished marble finishes inside aquatic ba...
Solar Water Heating & Thermal Energy Contractor (C-46)
Solar thermal contractors install flat-plate and evacuated-tube solar collector systems for domestic hot water and commercial heat...
Acoustical Ceiling & Architectural Baffle Contractor (C-2)
Acoustical ceiling contractors hang seismic-rated suspended ceiling grids, sound-absorbing mineral fiber tiles, and linear wood ba...
Commercial Kitchen Hood & Fire Suppression Contractor
Kitchen suppression specialists install automatic wet chemical fire extinguishing systems over commercial deep fryers, ranges, and...
Traffic Deck & Commercial Waterproofing Contractor
Traffic deck contractors apply heavy-duty vehicular elastomeric membranes protecting reinforced concrete parking structures from c...
Commercial Playground Equipment & Safety Surfacing Contractor
Playground contractors install public park play structures, shade canopies, swings, and impact-absorbing poured-in-place rubber su...
Synthetic Turf & Athletic Sports Surface Contractor
Athletic turf contractors build sports stadium artificial fields, residential synthetic lawns, putting greens, and drainage stone ...
Architectural Water Feature & Commercial Fountain Contractor
Fountain contractors construct commercial municipal plaza water features, cascading waterfalls, interactive splash pads, and lamin...
Historic Preservation & Lime Mortar Masonry Contractor
Historic masonry contractors restore centuries-old brick structures, architectural terracotta cornices, and brownstone facades usi...
Abrasive Blasting & Industrial Surface Preparation Contractor
Abrasive blast contractors clean industrial steel bridges, concrete tanks, and structural frames using garnet, crushed glass, and ...
Industrial Chimney, Smokestack & Silo Contractor
Industrial stack contractors erect and repair 200+ foot refractory brick chimneys, power plant exhaust flues, and agricultural gra...
Marine Construction, Pile Driving & Dock Contractor
Marine contractors drive timber, steel, and prestressed concrete piles into navigable waterways, constructing deep-water docks and...
Dredging, Beach Nourishment & Shoreline Contractor
Dredging contractors deepen commercial shipping channels, marina basins, and pump ocean sand for coastal hurricane storm surge pro...
Radon Gas Testing & Sub-Slab Depressurization Contractor
Radon contractors drill suction pits into concrete foundation slabs, install PVC vent piping, and mount exterior inline fans venti...
Oil, Gas & Petroleum Pipeline Construction Contractor
Pipeline contractors trench, weld, coat, and bury cross-country high-pressure natural gas transmission and crude oil pipelines....
Precast Architectural Concrete & Stone Erection Contractor
Precast contractors hoist and weld plant-cast architectural concrete spandrel panels, parking garage double-tees, and stone lintel...
Architectural Glass Block & Structural Prismatic Tile Contractor
Glass block contractors install decorative security windows, interior light-transmitting privacy walls, and structural sidewalk pa...
Commercial Overhead Door & Loading Dock Equipment Contractor
Commercial door specialists install steel rolling warehouse doors, high-speed fabric doors, vehicle restraint locks, and hydraulic...
Lightning Protection & Structural Grounding Contractor
Lightning protection contractors install copper and aluminum air terminals, down conductors, and ground rod networks protecting st...
Soundproofing & Vibration Isolation Contractor
Acoustic contractors engineer noise isolation in recording studios, movie theaters, multi-family condominiums, and mechanical chil...
Mobile Crane, Tower Crane & Heavy Hoisting Contractor
Crane contractors operate 500-ton hydraulic all-terrain cranes, self-erecting tower cranes, and execute multi-crane tandem picks o...
Wind Turbine Erection & Renewable Tower Contractor
Wind contractors erect 300-foot tubular steel wind towers, hoist 80-ton nacelles, mount composite turbine rotor blades, and wire h...
Microgrid, BESS & Emergency Battery Storage Contractor
Microgrid contractors install commercial and residential battery energy storage systems (BESS), smart subpanels, and islanding swi...
Slab Leak & Underground Acoustic Leak Detection Contractor
Leak detection specialists locate pressurized water line breaches under concrete slabs and inside finished walls without damaging ...
Grease Interceptor Installation & Grease Trap Contractor
Grease trap contractors excavate, plumb, and vent 1,000-gallon exterior concrete grease interceptors preventing FOG discharge into...
Stormwater Bioretention & Rain Garden Contractor
Bioretention contractors construct low-impact development (LID) bioswales, rain gardens, and permeable stormwater infiltration bed...
Commercial Smart Irrigation & Water Management Contractor
Irrigation contractors install automated computerized agricultural and commercial landscape sprinkler networks with evapotranspira...
Commercial Window Tinting & Blast Mitigation Film Contractor
Window film contractors install solar rejection ceramic tint, anti-graffiti sacrificial film, and bomb blast mitigation safety fil...
Architectural Millwork, Store Fixture & Casework Contractor
Millwork contractors fabricate and install custom high-end bank teller counters, luxury retail casework, wall paneling, and hospit...
Commercial Electric Sign & Billboard Contractor (C-45)
Electric sign contractors fabricate and install illuminated pylon signs, electronic message centers, high-rise channel letters, an...
Pavement Marking, Highway Striping & Traffic Control Contractor
Pavement marking contractors spray highway striping, apply hot thermoplastic crosswalks, install highway raised pavement markers (...
Highway Guardrail, Crash Attenuation & Cable Barrier Contractor
Guardrail contractors drive steel posts into highway shoulders, bolt galvanized steel W-beams, and assemble life-saving crash cush...
Electrochromic Dynamic Smart Glass & Switchable Glazing Contractor
Smart glass contractors install electronically tintable dynamic electrochromic architectural windows and low-voltage tint controll...
Geotechnical Soil Stabilization & Chemical Grouting Contractor
Soil stabilization contractors inject expanding structural polyurethane resins and cementitious grouts to compact unstable soil un...