Question 1

What is NAICS 541330?

Accepted Answer

NAICS 541330 covers Engineering Services. The SBA size standard is $25.5 million. Most defense contracts under this code sit at Level 2 (most contracts) in CMMC scope; third-party certification is currently suspended, but the underlying NIST 800-171 and SPRS obligations still apply.

Question 2

What is NAICS 541511?

Accepted Answer

NAICS 541511 covers Custom Computer Programming Services. The SBA size standard is $34 million. Most defense contracts under this code sit at Level 2 (most contracts) in CMMC scope; third-party certification is currently suspended, but the underlying NIST 800-171 and SPRS obligations still apply.

Question 3

What is NAICS 541512?

Accepted Answer

NAICS 541512 covers Computer Systems Design Services. The SBA size standard is $34 million. Most defense contracts under this code sit at Level 2 (most contracts) in CMMC scope; third-party certification is currently suspended, but the underlying NIST 800-171 and SPRS obligations still apply.

Question 4

What is NAICS 541519?

Accepted Answer

NAICS 541519 covers Other Computer Related Services. The SBA size standard is $34 million. Most defense contracts under this code sit at Level 2 (most contracts) in CMMC scope; third-party certification is currently suspended, but the underlying NIST 800-171 and SPRS obligations still apply.

Question 5

What is NAICS 541611?

Accepted Answer

NAICS 541611 covers Administrative Management and General Management Consulting Services. The SBA size standard is $24.5 million. Most defense contracts under this code sit at Level 1–2 (varies by contract) in CMMC scope; third-party certification is currently suspended, but the underlying NIST 800-171 and SPRS obligations still apply.

Question 6

What is NAICS 541613?

Accepted Answer

NAICS 541613 covers Marketing Consulting Services. The SBA size standard is $19 million. Most defense contracts under this code sit at Level 1 (most contracts) in CMMC scope; third-party certification is currently suspended, but the underlying NIST 800-171 and SPRS obligations still apply.

Question 7

What is NAICS 541690?

Accepted Answer

NAICS 541690 covers Other Scientific and Technical Consulting Services. The SBA size standard is $19 million. Most defense contracts under this code sit at Level 2 (most contracts) in CMMC scope; third-party certification is currently suspended, but the underlying NIST 800-171 and SPRS obligations still apply.

Question 8

What is NAICS 541715?

Accepted Answer

NAICS 541715 covers Research and Development in the Physical, Engineering, and Life Sciences. The SBA size standard is 1,000 employees. Most defense contracts under this code sit at Level 2–3 (varies by program) in CMMC scope; third-party certification is currently suspended, but the underlying NIST 800-171 and SPRS obligations still apply.

Question 9

What is NAICS 541990?

Accepted Answer

NAICS 541990 covers All Other Professional, Scientific, and Technical Services. The SBA size standard is $19 million. Most defense contracts under this code sit at Level 1–2 (varies by contract) in CMMC scope; third-party certification is currently suspended, but the underlying NIST 800-171 and SPRS obligations still apply.

Question 10

What is NAICS 561210?

Accepted Answer

NAICS 561210 covers Facilities Support Services. The SBA size standard is $47 million. Most defense contracts under this code sit at Level 1–2 (varies by installation) in CMMC scope; third-party certification is currently suspended, but the underlying NIST 800-171 and SPRS obligations still apply.

Question 11

What is NAICS 336411?

Accepted Answer

NAICS 336411 covers Aircraft Manufacturing. The SBA size standard is 1,500 employees. Most defense contracts under this code sit at Level 2–3 in CMMC scope; third-party certification is currently suspended, but the underlying NIST 800-171 and SPRS obligations still apply.

Question 12

What is NAICS 336414?

Accepted Answer

NAICS 336414 covers Guided Missile and Space Vehicle Manufacturing. The SBA size standard is 1,300 employees. Most defense contracts under this code sit at Level 2–3 in CMMC scope; third-party certification is currently suspended, but the underlying NIST 800-171 and SPRS obligations still apply.

Question 13

What is NAICS 334511?

Accepted Answer

NAICS 334511 covers Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing. The SBA size standard is 1,250 employees. Most defense contracts under this code sit at Level 2–3 in CMMC scope; third-party certification is currently suspended, but the underlying NIST 800-171 and SPRS obligations still apply.

Question 14

What is NAICS 517111?

Accepted Answer

NAICS 517111 covers Wired Telecommunications Carriers. The SBA size standard is 1,500 employees. Most defense contracts under this code sit at Level 2 (most contracts) in CMMC scope; third-party certification is currently suspended, but the underlying NIST 800-171 and SPRS obligations still apply.

Question 15

What is NAICS 518210?

Accepted Answer

NAICS 518210 covers Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services. The SBA size standard is $40 million. Most defense contracts under this code sit at Level 2 (most contracts) in CMMC scope; third-party certification is currently suspended, but the underlying NIST 800-171 and SPRS obligations still apply.

Question 16

What is NAICS 336413?

Accepted Answer

NAICS 336413 covers Other Aircraft Parts and Auxiliary Equipment Manufacturing. The SBA size standard is 1,500 employees. Most defense contracts under this code sit at Level 2 (most contracts) in CMMC scope; third-party certification is currently suspended, but the underlying NIST 800-171 and SPRS obligations still apply.

Question 17

What is NAICS 334220?

Accepted Answer

NAICS 334220 covers Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing. The SBA size standard is 1,250 employees. Most defense contracts under this code sit at Level 2 (most contracts) in CMMC scope; third-party certification is currently suspended, but the underlying NIST 800-171 and SPRS obligations still apply.

Question 18

What is NAICS 334290?

Accepted Answer

NAICS 334290 covers Other Communications Equipment Manufacturing. The SBA size standard is 750 employees. Most defense contracts under this code sit at Level 2 (most contracts) in CMMC scope; third-party certification is currently suspended, but the underlying NIST 800-171 and SPRS obligations still apply.

Question 19

What is NAICS 334510?

Accepted Answer

NAICS 334510 covers Electromedical and Electrotherapeutic Apparatus Manufacturing. The SBA size standard is 1,250 employees. Most defense contracts under this code sit at Level 1–2 (varies by contract) in CMMC scope; third-party certification is currently suspended, but the underlying NIST 800-171 and SPRS obligations still apply.

Question 20

What is NAICS 334515?

Accepted Answer

NAICS 334515 covers Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals. The SBA size standard is 1,000 employees. Most defense contracts under this code sit at Level 1–2 (varies by contract) in CMMC scope; third-party certification is currently suspended, but the underlying NIST 800-171 and SPRS obligations still apply.

Question 21

What is NAICS 561320?

Accepted Answer

NAICS 561320 covers Temporary Help Services. The SBA size standard is $38.5 million. Most defense contracts under this code sit at Level 1–2 (varies by contract) in CMMC scope; third-party certification is currently suspended, but the underlying NIST 800-171 and SPRS obligations still apply.

Question 22

What is NAICS 561612?

Accepted Answer

NAICS 561612 covers Security Guards and Patrol Services. The SBA size standard is $29 million. Most defense contracts under this code sit at Level 1 (most contracts) in CMMC scope; third-party certification is currently suspended, but the underlying NIST 800-171 and SPRS obligations still apply.

Question 23

What is NAICS 561621?

Accepted Answer

NAICS 561621 covers Security Systems Services (Except Locksmiths). The SBA size standard is $29 million. Most defense contracts under this code sit at Level 1–2 (varies by contract) in CMMC scope; third-party certification is currently suspended, but the underlying NIST 800-171 and SPRS obligations still apply.

Question 24

What is NAICS 562910?

Accepted Answer

NAICS 562910 covers Remediation Services. The SBA size standard is $25 million. Most defense contracts under this code sit at Level 1 (most contracts) in CMMC scope; third-party certification is currently suspended, but the underlying NIST 800-171 and SPRS obligations still apply.

Question 25

What is NAICS 237310?

Accepted Answer

NAICS 237310 covers Highway, Street, and Bridge Construction. The SBA size standard is $45 million. Most defense contracts under this code sit at Level 1 (most contracts) in CMMC scope; third-party certification is currently suspended, but the underlying NIST 800-171 and SPRS obligations still apply.

Defense NAICS Codes Guide

High Volume

541330|Engineering Services

541511|Custom Computer Programming Services

541512|Computer Systems Design Services

541519|Other Computer Related Services

541611|Administrative Management and General Management Consulting Services

541613|Marketing Consulting Services

541690|Other Scientific and Technical Consulting Services

541715|Research and Development in the Physical, Engineering, and Life Sciences

541990|All Other Professional, Scientific, and Technical Services

561210|Facilities Support Services

336411|Aircraft Manufacturing

336414|Guided Missile and Space Vehicle Manufacturing

334511|Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing

517111|Wired Telecommunications Carriers

518210|Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services

Medium Volume

336413|Other Aircraft Parts and Auxiliary Equipment Manufacturing

334220|Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing

334290|Other Communications Equipment Manufacturing

334510|Electromedical and Electrotherapeutic Apparatus Manufacturing

334515|Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals

561320|Temporary Help Services

561612|Security Guards and Patrol Services

561621|Security Systems Services (Except Locksmiths)

562910|Remediation Services

237310|Highway, Street, and Bridge Construction

237990|Other Heavy and Civil Engineering Construction

238210|Electrical Contractors and Other Wiring Installation Contractors

423430|Computer and Computer Peripheral Equipment and Software Merchant Wholesalers

423610|Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers

488190|Other Support Activities for Air Transportation

541310|Architectural Services

541380|Testing Laboratories and Services

541614|Process, Physical Distribution, and Logistics Consulting Services

541618|Other Management Consulting Services

541712|Research and Development in the Social Sciences and Humanities

Niche

236220|Commercial and Institutional Building Construction

238290|Other Building Equipment Contractors

332994|Small Arms, Ordnance, and Ordnance Accessories Manufacturing

332993|Ammunition (Except Small Arms) Manufacturing

334111|Electronic Computer Manufacturing

334118|Computer Terminal and Other Computer Peripheral Equipment Manufacturing

336611|Ship Building and Repairing

336612|Boat Building

336992|Military Armored Vehicle, Tank, and Tank Component Manufacturing

488510|Freight Transportation Arrangement

511210|Software Publishers

519130|Internet Publishing and Broadcasting and Web Search Portals

541320|Landscape Architectural Services

561110|Office Administrative Services

611430|Professional and Management Development Training