. Establishments engaged in brush or rubble removal services are included in this industry. The NAICS code 423610 is described as Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers. SIC NAICS Extended SIC ISIC (International). Audio equipment installation (except automotive) contractors, nonresidential. Federal government websites often end in . North American Industry Classification System. Top Businesses by Annual Sales for 221122 – Click for Complete Profiles: This U. Other Electrical Equipment and Component Manufacturing. SIC vs NAICS Codes Business List By NAICS Code Why Do I Need a NAICS Code. Codes Titles US Business Entities; 23822: Plumbing, Heating, and Air-Conditioning Contractors. 5190 - Electrical Wiring 6325 - Conduit Construction 5222 - Concrete Construction - Bridges 6233 - Oil or Gas Pipeline. NAICS 238220 - Plumbing, Heating, and Air-Conditioning Contractors is part of: NAICS 238200 - Building Equipment Contractors. purchase a company record naics code drill-down sic code drill-down naics lookup help…Examples: Aqueduct construction - general contractors, Cable laying construction - contractors, Cable television See Companies for SIC 1623 Buy Business List - SIC 1623NAICS Code Description. 1 I. Learn about our NAICS and SIC Lists and Data Append Services. Electrical contractors included in this industry may include both the parts and labour when performing work. Plumbing, Heating, and Air-Conditioning Contractors. MAXIMUM ALLOWABLE INCIDENCE RATES BY NAICS CODE NAICS Code SIC Code NAICS Category STEP Silver Maximum Incidence Rate. NAICS Code Description. Statistics show that on average, electrical contractors in the U. during the construction or installation phase, inspection and evaluation of engineering projects, and related services. NAICS Codes that fall under 23821 - Electrical Contractors and Other Wiring Installation Contractors. To order a list of companies within NAICS Code 23821 - Electrical Contractors and Other Wiring Installation Contractors for marketing (postal mailing, telemarketing, emailing) or analytics-use, click on the link below to “Buy Business List”. Firm Q later loses certification in code 238210. Cable splicing, electrical - contractors, Cable television hookup - See Companies for SIC 1731. 811310 - Commercial and Industrial. Industry Codes. NAICS. , gasoline pumps, hoists) installation. Even though our estimates are bid with 10-15% profit. Industry Title. 236220-03 - Basketball Court Construction. The NAICS code for general contractors is 236115 when working primarily on new residential single-family dwellings. Learn more about the structure of NAICS codes. S. Read More. Cable splicing, electrical - contractors, Cable television hookup - See Companies for SIC 1731. 294 Subsector 339. work cannot be counted at all. Vol. . Cable splicing, electrical - contractors, Cable television hookup - See Companies for SIC 1731. 24,667. Special trade contractors primarily engaged in plumbing, heating, air-conditioning, and similar work. NAICS Code 238220 - Plumbing, Heating, and Air-Conditioning Contractors sits in the 2-digit Construction sector. Snapshot. Overview. Business Count. . Extended SIC Codes for "electrical contractor" 173126 - Electrical Designers . . The related GL Class Code (s) for NAICS Code 238990 - All Other Specialty Trade Contractors is: 91560 - Concrete Construction. 3724 Door, Overhead--Installation--Industrial, Commercial, and Residential & Drivers. Find Matching NAICS Codes for electrical-contracting, With Definition and Examples. 238220 - Plumbing, Heating,. 238990. 541330 – Engineering Services. The construction of transmission lines is classified in SIC 1623: Water, Sewer, Pipeline, and Communications and Power Line Construction, and electrical work carried on in repair shops is classified in SIC 7622: Radio and Television Repair Shops; SIC. industry comprises establishments primarily engaged in planning and designing computer systems that integrate computer hardware, software, and communication technologies. NCCI Class Code. 324121. A very important part of the SIC Code system is that the U. 28: $29. Construction and civil engineering: 18,783: 87110400: Construction and civil engineering. and 21,900 estimated nonfatal injuries and illnesses among electrical and wiring contractors (U. For Power and Communication Line and Related Structures Construction use NAICS code 237130 in the NAICS search box. 23 - Construction Top Businesses by Annual Sales for 23 – Click for Complete Profiles: DR Horton Inc: Johnson Controls Inc:. 2362 Nonresidential Building Construction 66,192 236210 Industrial Building Construction 7,786 236220 Commercial and Institutional Building Construction 58,406 2371 Utility. 811310 – Commercial and Industrial Machinery. Popular Searches Electrical Contractor MD Electrical Contractor SIC Code 17,173 NAICS Code 23,238 Show More View Email Formats for Electrical Contractor Top Companies in United StatesSearch result for SIC Code : 1731 Category Description: Electrical Work Displaying: 1 to 25 out of 972 results: Instantly auto-generated e-mails for additional info or quote, Please check box below and clickNAICS Code Description. Now, let’s dive into the specifics of the NAICS code for Electrical Contractors. 237130 - Power and Communication Line and Related Structures Construction. 324121. 213112. This includes General Liability, NAICS, and state and NCCI Class. 3: 0. Special trade contractors primarily engaged in plumbing, heating, air-conditioning, and similar work. 40: $29. Code Systems. 238210 NAICS Code for Electrical Contractors and Other Wiring Installation Contractors. 541380. Click the Magnifying Glass to View Full Description & Top 10 Companies. 276 Subsector 336. 423690 - Other Electronic Parts and Equipment Merchant Wholesalers Top Businesses by Annual Sales for 423690 – Click for Complete Profiles:. This Canadian industry comprises establishments primarily engaged in installing or servicing electrical wiring and equipment. e. NAICS Code 2379 – Other Heavy and Civil Engineering Construction. 238210 – Electrical Contractors and Other Wiring Installation Contractors. 92478 Electrical Work--within Buildings. 238910. Household. Work Comp is priced based on payroll. for "auto electrical-contractor". 213112. Proceedings of a Meeting to Explore the Use of Ergonomics Interventions for the Mechanical and Electrical Trades. 5063001 Electrical Apparatus & Equipment Construction Materials Wholesale. , Other Services to Buildings and Dwellings; Installing septic tanks and systems--are classified in Industry. 1623-12. 0 . distribution, or control of electric energy; electrical construction materials for outside. g. Buy Business List - SIC 1731. 201 of the Code of Federal Regulations (CFR) or in SBA’s table of small. NAICS Code 541618 – Other Management Consulting Services. NAICS Code: 238210. NAICS. This Canadian industry comprises establishments primarily engaged in installing or servicing electrical wiring and equipment. Both the design and construction of buildings, highways, and other structures or in managing construction projects--are classified in Sector 23, Construction, according to the type of project. Our NAICS Code 238211 marketing data has covered all the necessary information to connect with the target audience in the Residential Electrical. 811211 Consumer Electronics Repair and Maintenance 334417 Electronic Connector Manufacturing 238210 Electrical Contractors and Other Wiring Installation Contractors 238290 Other. To order a list of companies within NAICS Code 23821 - Electrical Contractors and Other Wiring Installation Contractors for marketing (postal mailing, telemarketing, emailing) or analytics-use, click on the link below to “Buy Business List”. Menu Close SIC Codes. See Companies for SIC 3993. These electrical contractors are experts in. 7629 - Electrical and Electronic Repair Shops, Not Elsewhere Classified. 238211. Division 45 - Industry-Specific Manufacturing Equipment. Buy Business List for This Industry. industry comprises establishments primarily engaged in collecting and/or hauling waste (except nonhazardous solid waste and hazardous waste) within a local area. See Companies for SIC 1611. 0. Code Systems. 23 Construction 31-33 Manufacturing 42 Wholesale Trade 44-45 Retail Trade 48-49 Transportation and Warehousing 51 Information 52 Finance and Insurance 53 Real Estate and Rental and Leasing 54 Professional, Scientific and Technical Services 55 Management of Companies and Enterprises 56 Administrative and Support and Waste Management. Construction Trades Workers: 47-2111: Electricians: 49-2000: Electrical and Electronic Equipment Mechanics, Installers, and Repairers: 49-2020: Radio and Telecommunications Equipment Installers and Repairers: 49-2021: Radio Mechanics: 49-2022: Telecommunications Equipment Installers and Repairers, Except Line Installers: 49. 541380. NAICS Code. Plumbing contractor. Buy Business List - SIC 1731. NAICS Code 2381 – Foundation, Structure, and Building Exterior Contractors. 8, Standard Industrial Classification of Establishments; and Elimination of Statistical Policy Directive No. Census Bureau, you should contact that agency directly. Examples: Electric power generation, transmission, or distribution. The web page lists the titles, codes, and marketable businesses for the SIC industry 1731, which includes various types of electrical work specialization. 238210 - Electrical Contractors and Other Wiring Installation Contractors. 125. 23492. Establishments primarily engaged in--. Install or repair cables or wires used in electrical power or distribution systems. SIC vs NAICS Codes Business List By NAICS Code Why Do I Need a NAICS Code. Toggle navigation. 3724 - Door - Installation - Overhead & Drivers. 236115-12. S. See Companies for SIC 7353. NAICS Code 2381 – Foundation, Structure, and Building Exterior Contractors. 13%: $28. • Computer Storage Device Manufacturing (NAICS Code 334112); • Construction Machinery Manufacturing (NAICS Code 333120);. 335910. Mod/LCM reset. drewsserviceco said: I was told during an estimating course that the national average for EC's is 6%. The construction of transmission lines is classified in SIC Code - 1623, and electrical work carried on in repair shops is classified in Services, SIC Code - 762. NAICS for "electrician". . 29: $26. Buy Business List - SIC 1731. Watson Electrical Construction Co. 4,241. This is correct and it applies to the largest firms in the country. 5 million, will qualify as a small business. It’s somewhat close to six figures, but not quite. Menu Close SIC Codes. Transportation Equipment Manufacturing. The construction sector consists of these subsectors: Construction of Buildings: NAICS 236; Heavy and Civil Engineering Construction: NAICS 237; Specialty Trade Contractors: NAICS 238; Workforce Statistics. 5191 - Office Machine Installation, Inspection, Adjustment, or Repair. 324121. Battery Manufacturing. The work performed may include new. 91551 Communication Equipment Installation--Industrial or Commercial. Electrical contractors may perform new work,. 236220-02 - Barns. 621310-02. Buy Business List - SIC 3822. Paving blocks and mixtures made from purchased asphaltic materials. NAICS. These activities include painting (including bridge painting and. Contractors in this industry may provide both parts and labor when performing work. Wrecking--Dismantling of Prefabricated Dwellings Not Exceeding Three Stories for Reerection. The related NCCI Code (s) for 1731 - Electrical Contractors and Other Wiring Installation Contractors is: 7605 - Burglar and Fire Alarm Installation or Repair & Drivers. Major Group: 17—Construction Special Trade Contractors. Buy Business List - SIC 1611. In the official U. 238210 - Electrical Contractors and Other Wiring Installation Contractors. Virginia Beach, VA, 23455 US. Find Matching Businesses for NAICS Code 238210 from 15 Million Business Records. SIC. 5213 Concrete Construction NOC & Drivers. Concrete paving, residential and commercial driveway and parking area. Other Heavy and Civil Engineering Construction . The NAICS code pages also show the related related General Liability, SIC and NCCI and State codes as well as a cross reference. 1 Roadway Construction Management And Inspection 541330 11. Here are the most common business insurance classifications for Electrical Contractors: Business Liability Category: Artisan Contractors. 0 : 238130 . Special trade contractors primarily engaged in the installation of roofing, siding, and sheet metal work. NAICS Code Description. 0 - This sector comprises establishments primarily engaged in constructing, repairing and renovating buildings and engineering works, and in subdividing and developing land. 3825 - Instruments for Measuring and Testing of Electricity and Electrical Signals. S. 326498 - Porcelain-electrical-supplies (manufacturers). The Specialty Trade Contractors subsector comprises establishments whose primary activity is performing specific activities (e. 242. 541380. 23821. Buy Business List - NAICS 335991. This code covers the installation and servicing of electrical wiring. SIC NAICS Extended SIC Extended NAICS ISIC (International) NACE UKSIC ANZSIC SCIAN. Water, Sewage and Other Systems: NAICS 2213. The VA issued the solicitation under NAICS code 238210 (Electrical Contractors and Other Wiring Installation Contractors), which carries a size standard of $15 million. 541380. SIC NAICS Extended SIC Extended NAICS ISIC (International) NACE UKSIC ANZSIC SCIAN Français SCIAN Español. 1741 - Masonry, Stone Setting, and Other Stone Work. NAICS Codes For Specialty Contractors. SIC vs NAICS Codes Business List By NAICS Code Why Do I Need a NAICS Code. The industry consists of contractors who specialize in various types of installation and maintenance services related to servicing electrical wiring, electrical systems, telecommunications, and automation. 238990. 336320 - Motor Vehicle Electrical and Electronic Equipment Manufacturing. e. SIC vs NAICS Codes Business List By NAICS Code Why Do I Need a NAICS Code. This part-. SIC NAICS Extended SIC Extended NAICS ISIC (International) NACE UKSIC ANZSIC SCIAN Français SCIAN Español. Establishments primarily engaged in monitoring of burglar and fire. Wilson, NC, 27893 US . NOC. This U. SIC vs NAICS Codes Business List By NAICS Code Why Do I Need a NAICS Code. 238290. Bureau of Labor Statistics). SIC Business Insurance Codes: 1731: Electrical Work; 1623: Communication and Power Line Construction; 7629: Electrical Repair Shops; NAICS Liability Classifications: 238210: Electrical Contractors and WiringWhat is the US SIC Code for Electrical Work? US SIC Code 1731. 237 Heavy and Civil Engineering Construction. NAICS was developed under the auspices of the Office of Management and Budget. S. g. Merchant wholesale distribution of electrical construction materials, wiring supplies, electric light fixtures, light bulbs, and/or electrical power equipment for generation,. Effectively they are holding companies whereby funds can be moved upwards to protect. Contractors in this industry may provide both parts and labor when performing work. 98 Underground Utility---Work normally done by utility companies (i. 1. 49-9051 - Electrical Power-Line Installers and Repairers. S. NAICS Code 236220 – Commercial and Institutional Building Construction. At first glance, the answer would be no. 0 . Titan Solar Power Ca Inc. SIC Codes SIC Code Lookup / Directory What is a SIC Code? History of SIC Codes Structure of SIC Codes Extended SIC Codes SIC Code FAQ. NAICS. $37. 324121. Find Matching SIC Codes for residential construction, With Definition and Examples. DBE NAICS CodesNAICS Code 238210 Full Code Description What is NAICS Code 238210 238210 – Electrical Contractors and Other Wiring Installation Contractors This industry comprises establishments primarily engaged in installing and servicing electrical wiring and equipment. 238211. It’s somewhat close to six figures, but not quite. Cable splicing, electrical - contractors, Cable television hookup - See Companies for SIC 1731. 6 1. Oil and Gas Pipeline and Related Structures Construction. Includes Cable splicing, electrical, construction contractors, Cable television hookup construction contractors, Communication equipment construction contractors, Computer cable construction contractors, Electrical. The construction of transmission lines is classified in Industry 1623, and electrical work carried on in repair shops is classified in Services, Industry Group 762. The NAICS code 238210 is described as Electrical Contractors and Other Wiring Installation Contractors. Industry: 1711—Plumbing, Heating and Air-Conditioning. The industry comprises establishments primarily engaged in electrical contractors and other wiring installation contractors. NAICS Code. General and special trade contractors primarily engaged in the construction of roads, streets, alleys, public sidewalks, guardrails, parkways, and airports. This industry comprises establishments primarily engaged in installing or servicing building equipment (except electrical, plumbing, heating, cooling, or ventilation equipment). 238210. Tunnel lighting contractors; NAICS Code 238210 Hierarchy. Building Construction 234110 Highway and Street Construction 234120 Bridge and Tunnel Construction 234910 Water, Sewer, and Pipeline Construction 234920 Power and Communication Transmission Line Construction 235110 Plumbing, Heating, Air-Conditioning Contractors 235210 Painting and Wall Covering Contractors 235310. Home; Data . North American Industry Classification System (NAICS) Canada 2012 - This Canadian industry comprises establishments primarily engaged in installing or servicing plumbing, heating, and air-conditioning equipment. These national industry-specific occupational employment and wage estimates are calculated with data collected from employers of all sizes, in metropolitan and nonmetropolitan areas in every state and the District of Columbia, in NAICS 238210 - Electrical. See Companies for SIC 1731. 238910. It contains the updated criteria for determining the eligibility of firms for. Concrete sawing and drilling (except demolition) 238990. Wrecking--Marine. The . NAICS Code 423690: NAICS Code for electronic wholesalers of smart phones, computer chips, radios, circuit boards, blank CDs and DVDs, amplifiers and. . 86, No. for "electrical contractors". ELECTRICAL CONTRACTORS HAZARD INFORMATION In 2016, there were 78 fatal injuries . Learn more about the NAICS 238220 in the Construction sector and its related General Liability, NCCI, and SIC codes. Chiropractors DC. 99988. . 238210 - Cable television hookup contractors. Division 23 - Heating, Ventilating & Air Conditioning (HVAC)The North American Industry Classification System (NAICS) is the standard used by Federal statistical agencies in classifying business establishments for the purpose of collecting, analyzing, and publishing statistical data related to the U. Special trade contractors primarily engaged in electrical work at the site. This Canadian industry comprises establishments primarily engaged in installing or servicing electrical wiring and equipment. Residential Electrical Contractors and Other Wiring Installation Contractors. 238210. What is the NAICS Code for Electrical Contractors and Other Wiring Installation Contractors? NAICS Code 238210. Electrical Contractors and Other Wiring Installation Contractors; Duct cleaning--are classified in Industry 561790, Other Services. 2-DIGITS. NAICS Code Description. 86, No. NAICS Code 238140 – Masonry Contractors. Code Systems. S. Purchase SIC Code 1731 - electrical work email list to improve your email marketing campaigns conversion rate & marketing ROI. More Extended NAICS Codes for "electrical contractors". What is the NAICS Code for Drywall and Insulation Contractors ? NAICS Code 238310. Menu Close SIC Codes. Establishments primarily engaged in the repair of electrical and electronic equipment, not elsewhere classified, such as electrical household appliances and electrical and electronic industrial equipment. . SIC Codes SIC Code Lookup / Directory What is a SIC Code? History of SIC Codes Structure of SIC Codes Extended SIC Codes SIC Code FAQ. Division 21 - Fire Suppression. North American Industry Classification System (NAICS) Canada 2012 - This Canadian industry comprises establishments primarily engaged in installing or servicing electrical wiring and equipment. S. This industry comprises establishments installing and servicing electrical wiring and equipment. Specialty trade contractors: 238310 Drywall and Insulation Contractors. NAICS Code 541620 – Environmental Consulting Services. NAICS Code 444190: NAICS Code for building materials supply dealers, electrical supply stores, garage door dealers, plumbing supply stores and more. $19. 5190 Electrical Wiring & Drivers. SIC for "electrical contractor". Menu Close SIC Codes. SIC, NAICS, NCCI Class Code cross reference. Buy Business List - NAICS 611513. Industry Title Set-aside; 111110: Soybean Farming: WOSB: 111120: Oilseed (except Soybean) Farming. 64,022. Cable splicing, electrical - contractors, Cable television. NAICS for "cable". . This industry comprises establishments commonly referred to. NAICS Code 238210 Full Code Description What is NAICS Code 238210 238210 – Electrical Contractors and Other Wiring Installation Contractors This industry comprises establishments primarily engaged in installing and servicing electrical wiring and equipment. SIC NAICS Extended SIC Extended NAICS ISIC (International). S. , fire, burglar), electric, installation only, nonresidential. For Electrical Contractors and Other Wiring Installation Contractors use NAICS code. S. NAICS Code Description. c. SIC. NAICS Code 238210 Full Code Description What is NAICS Code 238210 238210 – Electrical Contractors and Other Wiring Installation Contractors This industry comprises establishments primarily engaged in installing and servicing electrical wiring and equipment. 3825 - Instruments for Measuring and Testing of Electricity and Electrical Signals. 1 I. NAICS Code 238310 – Drywall and Insulation Contractors. 238 - Specialty trade contractors; 2382 - Building equipment contractors; 23821 - Electrical contractors and other wiring installation contractors; 238210 - Electrical contractors and other wiring installation contractors. 5191 - Office Machine Installation, Inspection, Adjustment, or Repair. Residential electrical contractors may perform. Contractors in this industry may provide both parts and labor when performing work. SIC NAICS Extended SIC Extended NAICS ISIC (International). Common types of examples within NAICS Code 238212 - Nonresidential Electrical Contractors and Other Wiring Installation Contractors are: Airport runway lighting contractors, nonresidential. SIC Codes SIC Code. Motor vehicle garage and service station mechanical equipment (e. SIC vs NAICS Codes Business List By NAICS Code Why Do I Need a NAICS Code. Easton, PA, 18045 US. 213112. 17-3012 - Electrical and Electronics Drafters. General and special trade contractors primarily engaged in the construction of water and sewer mains, pipelines, and communications and power lines. 2022 NAICS CODE CHANGES. – NAICS Code 238210 - Electrical Contractors and Other Wiring Installation Contractors. 0 : 237990 (Exception) Dredging and Surface Cleanup Activities. for "mobile electrical-contractor". 237310 - Highway, Street, and Bridge Construction Top Businesses by Annual Sales for 237310 – Click for Complete Profiles:. Electrical, Electronics, and Electromechanical Assemblers: broad: 550: 13. 5183 - Plumbing NOC & Drivers. for "electrical contractor". . Construction equipment rental without an operator--are classified in U. 561210 – Facilities Support Services. More Extended NAICS Codes for "electrical contractors". . . 334515. Electrical Contractors and Other Wiring Installation Contractors: 115,637: 238220: Plumbing, Heating, and Air-Conditioning Contractors : 190,808: 238290:Popular Searches Electrical Contractor Inc Electrical Contractor Electrical Contractors Inc Electrical Service Professionals Electrical Service Professionals - Inc SIC Code 17,173 NAICS Code 23,238 Show More238210. Virginia Beach, VA, 23455 US. 1623 - Water, Sewer, Pipeline, and Communications and Power Line Construction. Top Businesses by Annual Sales for 562119 – Click for Complete Profiles: This U. 811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance. , cable television, electricity, telephone) laying; Code 237990 Other Heavy and Civil Engineering Construction ; Horizontal drilling (e. 237130 - Power and Communication Line and Related Structures Construction. 238290 - Other Building Equipment Contractors. Special trade contractors primarily engaged in electrical work at the site. 9, Standard Industrial Classification of Enterprises; Notice. Contractors included in this industry may include both the parts and labor. 2258 - Lace and Warp Knit Fabric Mills. SIC NAICS Extended SIC Extended NAICS ISIC. 324121. 238210 electrical contractors and other wiring installation contractors $16,051,010. 8, Standard Industrial Classification of Establishments; and Elimination of Statistical Policy Directive No. Framing Contractors : $19. Electrical - Construction; Electrical Contractors Industry; Control of Hazardous Energy (Lockout/Tagout) Falls. Structure Contractors 238120 Structural Steel & Precast Concrete Contractors 238130 Framing Contractors 238140 Masonry Contractors 238150 Glass & Glazing Contractors 238160 RoofingContractors 238170 Siding Contractors Other Foundation, Structure, & Building Exterior Contractors 238210 324120 AsphaltElectrical Contractors & Other. , temporary use during construction) erection and dismantling. Other Highlighted Standards. 237130-Power and Communication Line and Related Structures Construction; 238210-Electrical Contractors and Other Wiring Installation Contractors; 238220-Plumbing,. Possible NAICS Codes. 286 Subsector 337. Compliance safety and health officers (CSHO) must verify if an employer’s NAICS code is on the Appendix A list, and may not conduct a programmed safety inspection if the employer. 2018-03-23. • Everything NAICS • NAICS Code Search • NAICS Code FAQ • NAICS to SIC Crosswalk • NAICS Code Appends • High Risk NAICS Code • SBA Size Standards. Popular Searches Electrical Contractor Services Inc A & G Electrical Technologies Electrical Contractor Services G Electrical Technologies G Electrical Technologies Inc SIC Code 17,173 NAICS Code 23,238 Show MoreNAICS for "installation". 2012 NAICS code 541712 will correspond to 2017 NAICS codes 541713 and 541715. These codes are also used in the Division of Corporation Finance as a basis for assigning review responsibility for the company's filings. Setzer Richard Electrical Mechanical Contractor. Machinery, construction (except cranes), rental with operator. Popular Searches Electrical Contractor Inc Electrical Contractor Electrical Contractors Inc Electrical Service Professionals Electrical Service Professionals - Inc SIC Code 17,173 NAICS Code 23,238 Show More 238210. NAICS codes—short for North American Industry Classification System. NAICS CODE Electrical Contractors and Other Wiring Installation.