Addon Services LLC

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• 236220 Commercial and institutional building construction Primary
• 237310 Highway, street and bridge construction
• 332312 Fabricated structural metal manufacturing
• 115310 Support activities for forestry
• 561410 Document preparation services
• 334310 Audio and video equipment manufacturing
• 561320 Temporary help services
• 562910 Remediation services
• 237110 Water and sewer line construction
• 541320 Landscape architecture
• 238990 Specialty trades
• 335314 Relay and industrial control manufacturing
• 561312 Executive search services
• 541490 Other specialized design services
• 621498 All other outpatient care centers
• 541512 Computer systems design services
• 513120 Periodical publishers
• 321912 Cut stock, resawing lumber, and planing
• 481111 Scheduled passenger air transportation
• 333310 Commercial and service industry machinery manufacturing
• 334210 Telephone apparatus manufacturing
• 336120 Heavy duty truck manufacturing
• 541380 Testing laboratories
• 336992 Military armored vehicle, tank, and tank component manufacturing
• 238320 Painting and wall covering
• 493110 General warehousing and storage
• 532490 Other commercial and industrial machinery and equipment rental and leasing
• 541620 Environmental consulting
• 541613 Marketing consulting services
• 481211 Nonscheduled chartered passenger air transportation
• 314910 Textile bag and canvas mills
• 621399 Offices of all other miscellaneous health practitioners
• 561421 Telephone answering services
• 711130 Musical groups and artists
• 611699 All other miscellaneous schools and instruction
• 221122 Electric power distribution
• 518210 Computing infrastructure providers, data processing, web hosting, and related services
• 541430 Graphic design services
• 237130 Power and communication line construction
• 621340 Offices of physical, occupational and speech therapists, and audiologists
• 332510 Hardware manufacturing
• 336413 Other aircraft parts and auxiliary equipment manufacturing
• 561790 Other services to buildings and dwellings
• 541310 Architectural services
• 562112 Hazardous waste collection
• 811310 Commercial and industrial machinery and equipment (except automotive and electronic) repair and maintenance
• 541219 Other accounting services
• 484210 Used household and office goods moving
• 531320 Offices of real estate appraisers
• 336612 Boat building
• 237990 Heavy and civil engineering construction
• 531312 Nonresidential property managers
• 541211 Offices of certified public accountants
• 423690 Other electronic parts and equipment merchant wholesalers
• 517810 All other telecommunications
• 621610 Home health care services
• 541214 Payroll services
• 336390 Other motor vehicle parts manufacturing
• 541910 Marketing research and public opinion polling
• 512290 Other sound recording industries
• 541715 Research and development in the physical, engineering, and life sciences (except nanotechnology and biotechnology)
• 541370 Surveying and mapping
• 238330 Flooring contractors
• 611710 Educational support services
• 541714 Research and development in biotechnology (except nanobiotechnology)
• 327320 Ready-Mix concrete manufacturing
• 485113 Bus and other motor vehicle transit systems
• 541360 Geophysical surveying and mapping services
• 541330 Engineering services
• 459110 Sporting goods retailers
• 621210 Offices of dentists
• 334515 Instrument manufacturing for measuring and testing electricity and electrical signals
• 541350 Building inspection services
• 561612 Security guards and patrol services
• 238350 Finish carpentry contractors
• 541611 Administrative management and general management consulting services
• 339113 Surgical appliance and supplies manufacturing
• 611519 Other technical and trade schools
• 481112 Scheduled freight air transportation
• 516210 Media streaming distribution services, social networks, and other media networks and content providers
• 488111 Air traffic control
• 485119 Other urban transit systems
• 541618 Other management consulting services
• 488119 Other airport operations
• 611420 Computer training
• 335929 Other communication and energy wire manufacturing
• 541720 Research and development in the social sciences and humanities
• 541930 Translation and interpretation services
• 335210 Small electrical appliance manufacturing
• 423490 Other professional equipment and supplies merchant wholesalers
• 238220 Plumbing, heating and air-conditioning contractors
• 334418 Printed circuit assembly (electronic assembly) manufacturing
• 334419 Other electronic component manufacturing
• 541519 Other computer related services
• 335921 Fiber optic cable manufacturing
• 519210 Libraries and archives
• 493130 Farm product warehousing and storage
• 541690 Scientific and technical consulting
• 561210 Facilities support services
• 236210 Industrial building construction
• 541120 Offices of notaries
• 485991 Special needs transportation
• 333914 Measuring, dispensing, and other pumping equipment manufacturing
• 238160 Roofing
• 561720 Janitorial services
• 541199 All other legal services
• 481219 Other nonscheduled air transportation
• 488190 Other support activities for air transportation
• 561611 Investigation and personal background check services
• 622110 General medical and surgical hospitals
• 541820 Public relations agencies
• 336320 Motor vehicle electrical and electronic equipment manufacturing
• 541614 Process, physical distribution, and logistics consulting services
• 541513 Computer facilities management services
• 512110 Motion picture and video production
• 335931 Current-Carrying wiring device manufacturing
• 334220 Radio and television broadcasting and wireless communications equipment manufacturing
• 423610 Electrical apparatus and equipment, wiring supplies, and related equipment merchant wholesalers
• 238210 Electrical contractors
• 813312 Environment, conservation and wildlife organizations
• 238910 Site preparation
• 541340 Drafting services
• 339999 All other miscellaneous manufacturing
• 334512 Automatic environmental control manufacturing for residential, commercial, and appliance use
• 621320 Offices of optometrists
• 336611 Ship building and repairing
• 481212 Nonscheduled chartered freight air transportation
• 238190 Other foundation, structure, and building exterior contractors
• 334111 Electronic computer manufacturing
• 561110 Office administrative services
• 532210 Consumer electronics and appliances rental
• 335139 Electric lamp bulb and other lighting equipment manufacturing
• 811210 Electronic and precision equipment repair and maintenance
• 541990 All other professional, scientific, and technical services
• 333413 Industrial and commercial fan and blower and air purification equipment manufacturing
• 532412 Construction, mining, and forestry machinery and equipment rental and leasing
• 339950 Sign manufacturing
• 492210 Local messengers and local delivery
• 811198 All other automotive repair and maintenance
• 541511 Custom computer programming services
• 561621 Security systems services (except locksmiths)
• 561499 All other business support services
• 485999 All other transit and ground passenger transportation
• 621511 Medical laboratories
• 238290 Building equipment installation
• 335999 All other miscellaneous electrical equipment and component manufacturing
• 541612 Human resources consulting services
• 621111 Offices of physicians (except mental health specialists)
• 813110 Religious organizations
• 334290 Other communications equipment manufacturing
• 611430 Professional and management development training
• 621512 Diagnostic imaging centers
• 517111 Wired telecommunications carriers
• 334412 Bare printed circuit board manufacturing
• 561710 Exterminating and pest control services
• 611512 Flight training
• 517112 Wireless telecommunications carriers (except satellite)
• 611513 Apprenticeship training
• 621112 Offices of physicians, mental health specialists
• 541810 Advertising agencies
• 513199 All other publishers
• 621999 All other miscellaneous ambulatory health care services
• 561990 All other support services
• 334511 Search, detection, navigation, guidance, aeronautical, and nautical system and instrument manufacturing
• 336212 Truck trailer manufacturing
• 423430 Computer and computer peripheral equipment and software merchant wholesalers
• 541420 Industrial design services
• 334516 Analytical laboratory instrument manufacturing
• 221121 Electric bulk power transmission and control
• 621330 Offices of mental health practitioners (except physicians)
• 334513 Instruments and related products manufacturing for measuring, displaying, and controlling industrial process variables
• 513130 Book publishers
• 611620 Sports and recreation instruction

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Aug 2026