NAICS 8-Digit Codes for "system-optimization-support-ltd"
Extended NAICS codes provide more specific industry categories within official 6-digit NAICS classifications, supporting more precise industry segmentation, market research, and business targeting. For official NAICS classification, use the 6-digit NAICS code.
Search this keyword in SIC 6-Digit codes.
Verified U.S. companies available for purchase in this industry. Counts are based on primary business classifications.
| Industry | NAICS 8-Digit | U.S. companies | Add |
|---|---|---|---|
|
Parent: Administrative Management and General Management Consulting Services |
Extended NAICS 541611-09 | companies 37companies | |
| Extended NAICS 541690-43 | companies 17companies | ||
|
Parent: Computer Systems Design Services |
Extended NAICS 541512-13 | companies 66companies | |
|
Data Communications Systems-Networks Parent: Computer Systems Design Services |
Extended NAICS 541512-09 | companies 234companies | |
|
Parent: Process, Physical Distribution, and Logistics Consulting Services |
Extended NAICS 541614-16 | companies 18companies | |
| Extended NAICS 711510-17 | companies 59companies | ||
|
Cable Television Systems-Contractors Parent: Power and Communication Line and Related Structures Construction |
Extended NAICS 237130-03 | companies 4companies | |
| Extended NAICS 238220-11 | companies 140companies | ||
| Extended NAICS 811310-45 | companies 92companies | ||
|
Parent: Engineering Services |
Extended NAICS 541330-17 | companies 22companies | |
| Extended NAICS 541511-05 | companies 3,564companies | ||
| Extended NAICS 424120-27 | companies 6companies | ||
| Extended NAICS 541690-61 | companies 4companies | ||
| Extended NAICS 424210-01 | companies 1companies | ||
|
Parent: Home Health Equipment Rental |
Extended NAICS 532283-04 | companies 31companies | |
|
Parent: Roofing Contractors |
Extended NAICS 238160-12 | companies 1companies | |
| Extended NAICS 541690-28 | companies 39companies | ||
|
Radio Comm Equipment & Systems Repairing Parent: Electronic and Precision Equipment Repair and Maintenance |
Extended NAICS 811210-08 | companies 3companies | |
|
Parent: Process, Physical Distribution, and Logistics Consulting Services |
Extended NAICS 541614-13 | companies 24companies | |
|
Internet Home Page Dev Consulting Parent: Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services |
Extended NAICS 518210-12 | companies 1,930companies | |
|
Parent: Other Computer Related Services |
Extended NAICS 541519-04 | companies 7companies | |
|
Internet Services-Network Designers/Conslnt Parent: Computer Systems Design Services |
Extended NAICS 541512-19 | companies 776companies | |
|
Voice-Data Network-Internet Service-Internet Parent: Computer Systems Design Services |
Extended NAICS 541512-23 | companies 27companies | |
|
Parent: Computer Systems Design Services |
Extended NAICS 541512-24 | companies 2companies | |
|
Parent: Landscape Architectural Services |
Extended NAICS 541320-12 | companies 150companies | |
|
Parent: Engineering Services |
Extended NAICS 541330-16 | companies 5,075companies | |
|
Parent: Drilling Oil and Gas Wells |
Extended NAICS 213111-09 | companies 350companies | |
|
Automation Technology Services Parent: Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services |
Extended NAICS 518210-20 | companies 156companies | |
|
Parent: Engineering Services |
Extended NAICS 541330-50 | companies 33companies | |
|
Gas-Liquid Petro-Carburetion Syst (Mfr) (Manufacturing) Parent: Motor Vehicle Gasoline Engine and Engine Parts Manufacturing |
Extended NAICS 336310-03 | companies 2companies | |
|
Parent: Electrical Contractors and Other Wiring Installation Contractors |
Extended NAICS 238210-33 | companies 105companies | |
| Extended NAICS 238220-03 | companies 5companies | ||
|
Parent: Engineering Services |
Extended NAICS 541330-64 | companies 46companies | |
|
Parent: Engineering Services |
Extended NAICS 541330-22 | companies 1,062companies | |
| Extended NAICS 541618-17 | companies 477companies | ||
| Extended NAICS 334513-02 | companies 2companies | ||
|
Fuel Injection Equipment & Service (Manufacturing) Parent: Motor Vehicle Electrical and Electronic Equipment Manufacturing |
Extended NAICS 336320-11 | companies 11companies | |
|
Parent: Engineering Services |
Extended NAICS 541330-34 | companies 7companies | |
|
Parent: General Automotive Repair |
Extended NAICS 811111-08 | companies 17companies | |
|
Parent: Engineering Services |
Extended NAICS 541330-36 | companies 22companies | |
|
Battery Repairing & Rebuilding (Wholesale) Parent: Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers |
Extended NAICS 423610-06 | companies 50companies | |
|
Parent: Engineering Services |
Extended NAICS 541330-57 | companies 15companies | |
| Extended NAICS 335314-04 | companies 55companies | ||
|
Heating & Combustion Consultants Parent: Electrical Contractors and Other Wiring Installation Contractors |
Extended NAICS 238210-41 | companies 73companies | |
|
Orthopedic Appliances (Wholesale) Parent: Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers |
Extended NAICS 423450-21 | companies 4companies | |
| Extended NAICS 339113-08 | companies 2companies | ||
| Extended NAICS 339113-09 | companies 4companies | ||
| Extended NAICS 456199-05 | companies 466companies | ||
| Extended NAICS 315990-31 | companies 2companies | ||
|
Bowling Apparel & Accessories (Wholesale) Parent: Sporting and Recreational Goods and Supplies Merchant Wholesalers |
Extended NAICS 423910-07 | companies | |
|
Parent: Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers |
Extended NAICS 423450-10 | companies | |
| Extended NAICS 456199-02 | companies 35companies | ||
| Extended NAICS 455219-25 | companies 119companies | ||
|
Parent: Engineering Services |
Extended NAICS 541330-46 | companies 21companies | |
| Extended NAICS 423220-11 | companies 520companies | ||
|
Vineyard Products & Supplies (Wholesale) Parent: Service Establishment Equipment and Supplies Merchant Wholesalers |
Extended NAICS 423850-81 | companies 7companies | |
|
Parent: All Other Miscellaneous Fabricated Metal Product Manufacturing |
Extended NAICS 332999-12 | companies 14companies | |
| Extended NAICS 333922-02 | companies 25companies | ||
|
Utilities-Undrgrnd-Cbl Pipe/Wire (Wholesale) Parent: Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers |
Extended NAICS 423610-80 | companies 12companies | |
|
Bowling Lane Equipment & Supplies (Wholesale) Parent: Sporting and Recreational Goods and Supplies Merchant Wholesalers |
Extended NAICS 423910-08 | companies 45companies | |
|
Cognitive Disability Information Centers Parent: All Other Miscellaneous Ambulatory Health Care Services |
Extended NAICS 621999-36 | companies 122companies | |
|
Parent: Hunting and Trapping |
Extended NAICS 114210-02 | companies 20companies | |
|
Duct & Duct Fittings (Manufacturing) Parent: Sheet Metal Work Manufacturing |
Extended NAICS 332322-02 | companies 68companies | |
| Extended NAICS 334412-02 | companies 225companies | ||
| Extended NAICS 316990-25 | companies | ||
| Extended NAICS 321920-08 | companies 496companies | ||
|
Bedding (Manufacturing) Supplies (Manufacturing) Parent: Mattress Manufacturing |
Extended NAICS 337910-03 | companies 8companies | |
| Extended NAICS 339113-12 | companies 110companies | ||
| Extended NAICS 339113-16 | companies | ||
|
Parent: Offices of All Other Miscellaneous Health Practitioners |
Extended NAICS 621399-29 | companies 149companies | |
| Extended NAICS 213112-08 | companies 11companies | ||
|
Parent: Research and Development in Biotechnology (except Nanobiotechnology) |
Extended NAICS 541714-05 | companies 13companies | |
|
Parent: Engineering Services |
Extended NAICS 541330-40 | companies 21companies | |
|
Parent: Regulation of Agricultural Marketing and Commodities |
Extended NAICS 926140-05 | companies 37companies | |
|
Parent: Electronic and Precision Equipment Repair and Maintenance |
Extended NAICS 811210-15 | companies 21companies | |
|
Teleradiology Equipment & Service Parent: Diagnostic Imaging Centers |
Extended NAICS 621512-06 | companies 8companies | |
| Extended NAICS 541612-20 | companies 4companies | ||
|
Parent: Process, Physical Distribution, and Logistics Consulting Services |
Extended NAICS 541614-19 | companies 34companies | |
|
Internet Management & Maintenance Parent: Office Administrative Services |
Extended NAICS 561110-21 | companies 25companies | |
| Extended NAICS 213112-01 | companies 2companies | ||
|
Parent: Site Preparation Contractors |
Extended NAICS 238910-23 | companies 1,961companies | |
|
Parent: Site Preparation Contractors |
Extended NAICS 238910-29 | companies 4companies | |
| Extended NAICS 541513-01 | companies 378companies | ||
|
Parent: Computer Systems Design Services |
Extended NAICS 541512-17 | companies 7,909companies | |
| Extended NAICS 213112-06 | companies 6companies | ||
| Extended NAICS 213112-09 | companies 199companies | ||
|
Medical Business Administration Parent: Office Administrative Services |
Extended NAICS 561110-12 | companies 317companies | |
| Extended NAICS 213112-02 | companies 101companies | ||
| Extended NAICS 541612-11 | companies 25companies | ||
| Extended NAICS 238220-01 | companies 102companies | ||
| Extended NAICS 541715-11 | companies 8companies | ||
|
Parent: Specialized Automotive Repair |
Extended NAICS 811114-40 | companies 4companies | |
| Extended NAICS 811310-19 | companies 502companies | ||
| Extended NAICS 541690-65 | companies 13companies | ||
|
Parent: Engineering Services |
Extended NAICS 541330-69 | companies 3companies | |
| Extended NAICS 238220-41 | companies 4companies | ||
|
Parent: Process, Physical Distribution, and Logistics Consulting Services |
Extended NAICS 541614-10 | companies 28companies | |
| Extended NAICS 492110-06 | companies 6companies | ||
| Extended NAICS 541618-09 | companies 2companies | ||
| Extended NAICS 238990-31 | companies 7companies | ||
| Extended NAICS 336340-03 | companies 4companies | ||
| Extended NAICS 541690-35 | companies 50companies | ||
|
Instrumentation Indicating Cntrl Cnsltnt Parent: Process, Physical Distribution, and Logistics Consulting Services |
Extended NAICS 541614-03 | companies 21companies | |
| Extended NAICS 541690-75 | companies 1,005companies | ||
|
Bowling Apparel & Accessories (Retail) Parent: Sporting Goods Retailers |
Extended NAICS 459110-09 | companies 413companies | |
| Extended NAICS 238220-48 | companies 21companies | ||
| Extended NAICS 541715-13 | companies 83companies | ||
| Extended NAICS 332996-02 | companies 52companies | ||
|
Parent: Pharmacies and Drug Retailers |
Extended NAICS 456110-06 | companies 463companies | |
| Extended NAICS 624310-03 | companies 203companies | ||
| Extended NAICS 238220-49 | companies 37companies | ||
|
Parent: Metal Service Centers and Other Metal Merchant Wholesalers |
Extended NAICS 423510-51 | companies 4companies | |
|
Wire & Cable-Electric (Wholesale) Parent: Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers |
Extended NAICS 423610-85 | companies 164companies | |
| Extended NAICS 423840-49 | companies 73companies | ||
|
Parent: International, Secondary Market, and All Other Nondepository Credit Intermediation |
Extended NAICS 522299-12 | companies 252companies | |
|
Automobile Bumpers Guards & Grills (Wholesale) Parent: Motor Vehicle Supplies and New Parts Merchant Wholesalers |
Extended NAICS 423120-07 | companies 1companies | |
|
Parent: Shoe Retailers |
Extended NAICS 458210-11 | companies 11companies | |
| Extended NAICS 611620-05 | companies 15companies | ||
|
Clay Ceramic & Refractory Minerals NEC Parent: Kaolin, Clay, and Ceramic and Refractory Minerals Mining |
Extended NAICS 212323-04 | companies 10companies | |
|
Parent: Site Preparation Contractors |
Extended NAICS 238910-57 | companies 1,538companies | |
|
Parent: Paper Bag and Coated and Treated Paper Manufacturing |
Extended NAICS 322220-06 | companies 187companies | |
| Extended NAICS 332216-16 | companies 1companies | ||
| Extended NAICS 332312-12 | companies 1companies | ||
| Extended NAICS 339112-01 | companies 758companies | ||
| Extended NAICS 339920-05 | companies 5companies | ||
| Extended NAICS 339999-53 | companies 16companies | ||
|
Ceramic Equipment ment & Supplies (Wholesale) Parent: Toy and Hobby Goods and Supplies Merchant Wholesalers |
Extended NAICS 423920-04 | companies 7companies | |
| Extended NAICS 712190-08 | companies 5companies | ||
| Extended NAICS 541690-36 | companies 21companies | ||
| Extended NAICS 488510-14 | companies 49companies | ||
|
Parent: Document Preparation Services |
Extended NAICS 561410-09 | companies 439companies | |
| Extended NAICS 488510-12 | companies 189companies | ||
| Extended NAICS 488510-11 | companies 3,242companies | ||
| Extended NAICS 488510-13 | companies 1companies | ||
| Extended NAICS 541690-23 | companies 30companies | ||
| Extended NAICS 541690-69 | companies 2companies | ||
|
Parent: Marketing Consulting Services |
Extended NAICS 541613-03 | companies 13,297companies | |
| Extended NAICS 541690-24 | companies 34companies | ||
| Extended NAICS 458110-45 | companies 20companies | ||
|
Parent: Research and Development in Biotechnology (except Nanobiotechnology) |
Extended NAICS 541714-24 | companies 32companies | |
|
Oil Well Logging & Perforating Parent: Oil and Gas Pipeline and Related Structures Construction |
Extended NAICS 237120-03 | companies 16companies | |
|
Parent: Site Preparation Contractors |
Extended NAICS 238910-28 | companies 12companies | |
|
Parent: Site Preparation Contractors |
Extended NAICS 238910-32 | companies 20companies | |
|
Parent: Engineering Services |
Extended NAICS 541330-51 | companies 4companies | |
|
Rfid (Radio Frequency Identification) Parent: Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services |
Extended NAICS 518210-27 | companies 11companies | |
| Extended NAICS 488390-10 | companies 15companies | ||
|
Organizing Services-Household & Business Parent: Interior Design Services |
Extended NAICS 541410-04 | companies 338companies | |
| Extended NAICS 213112-13 | companies 15companies | ||
|
Parent: Administrative Management and General Management Consulting Services |
Extended NAICS 541611-12 | companies 8companies | |
| Extended NAICS 531190-06 | companies 27companies | ||
|
Parent: All Other Support Services |
Extended NAICS 561990-07 | companies 33companies | |
|
Parent: Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services |
Extended NAICS 518210-04 | companies 335companies | |
|
Parent: Other Computer Related Services |
Extended NAICS 541519-05 | companies 1,546companies | |
| Extended NAICS 238990-83 | companies 54companies | ||
| Extended NAICS 238220-43 | companies 5companies | ||
| Extended NAICS 811310-31 | companies 425companies | ||
| Extended NAICS 238220-08 | companies 267companies | ||
| Extended NAICS 488510-10 | companies 3companies | ||
|
Parent: Direct Mail Advertising |
Extended NAICS 541860-06 | companies 30companies | |
|
Parent: Offices of Physicians (except Mental Health Specialists) |
Extended NAICS 621111-22 | companies 114companies | |
|
Information Search & Retrieval Service Parent: All Other Telecommunications |
Extended NAICS 517810-10 | companies 32companies | |
|
Information Retrieval Services Parent: All Other Telecommunications |
Extended NAICS 517810-09 | companies 1,152companies | |
| Extended NAICS 488510-07 | companies 16companies | ||
| Extended NAICS 492210-01 | companies 221companies | ||
|
Parent: Administrative Management and General Management Consulting Services |
Extended NAICS 541611-25 | companies | |
|
Parent: Specialized Automotive Repair |
Extended NAICS 811114-25 | companies 66companies | |
| Extended NAICS 811310-28 | companies 95companies | ||
| Extended NAICS 492210-02 | companies 3companies | ||
| Extended NAICS 541370-12 | companies 2companies | ||
| Extended NAICS 811310-32 | companies 126companies | ||
|
Oil Well Drilling Mud & Additives (Wholesale) Parent: Other Chemical and Allied Products Merchant Wholesalers |
Extended NAICS 424690-56 | companies 1companies | |
| Extended NAICS 237990-26 | companies 8companies | ||
|
Parent: Crude Petroleum Extraction |
Extended NAICS 211120-07 | companies 77companies | |
| Extended NAICS 424910-27 | companies 868companies | ||
| Extended NAICS 332312-03 | companies 55companies | ||
|
Parent: Household Appliances, Electric Housewares, and Consumer Electronics Merchant Wholesalers |
Extended NAICS 423620-36 | companies 9companies | |
|
Parent: Hardware Retailers |
Extended NAICS 444140-12 | companies 13companies | |
| Extended NAICS 458320-09 | companies 6companies | ||
|
Parent: Commercial Photography |
Extended NAICS 541922-01 | companies 8companies | |
|
Parent: Offices of Physicians (except Mental Health Specialists) |
Extended NAICS 621111-19 | companies 2,286companies | |
|
Parent: All Other Miscellaneous Ambulatory Health Care Services |
Extended NAICS 621999-29 | companies 41companies | |
|
Parent: Residential Property Managers |
Extended NAICS 531311-13 | companies 95companies | |
| Extended NAICS 488210-08 | companies 10,634companies | ||
|
Pharmacist Employment Register Parent: Employment Placement Agencies |
Extended NAICS 561311-10 | companies 2companies | |
| Extended NAICS 424470-04 | companies | ||
| Extended NAICS 449210-39 | companies 481companies | ||
| Extended NAICS 455219-15 | companies 1,149companies | ||
|
Parent: Wireless Telecommunications Carriers (except Satellite) |
Extended NAICS 517112-10 | companies |
Other classifications
Search "system-optimization-support-ltd" in SIC 6-Digit codes →