NAICS 335991: Carbon and Graphite Product Manufacturing
Carbon and Graphite Product Manufacturing is NAICS code 335991. A business is small under it with 900 employees or fewer. 1 federal contract is open on SAM.gov under this code right now.
- SBA size standard
- 900 employees or fewer
- Open contracts now
- 1
- Federal spending, FY2025
- $4.2 million
- Share won by small businesses
- 88%
- Small businesses registered
- 193
Open federal contracts for carbon and graphite product manufacturing
- Electrical Brush
Due in 80 daysDec 23, 2026
What NAICS 335991 covers
The Census Bureau's NAICS index lists these kinds of work under 335991:
- Brush blocks, carbon or molded graphite, manufacturing
- Brushes and brush stock contacts, electric, carbon and graphite, manufacturing
- Brushplates, carbon or graphite, manufacturing
- Carbon electrodes and contacts, electric, manufacturing
- Carbon specialties for aerospace use (except gaskets) manufacturing
- Carbon specialties for electrical use manufacturing
- Carbon specialties for mechanical use (except gaskets) manufacturing
- Carbons, electric, manufacturing
- Contacts, electrical, carbon and graphite, manufacturing
- Electrodes for thermal and electrolytic uses, carbon and graphite, manufacturing
- Fibers, carbon and graphite, manufacturing
- Graphite electrodes and contacts, electric, manufacturing
- Graphite specialties for aerospace use (except gaskets) manufacturing
- Graphite specialties for electrical use manufacturing
The index lists 19 entries for this code in all.
Read the full definition, including what's excluded, on census.gov.
SBA size standard for 335991
To count as a small business for a contract assigned NAICS 335991, your business must have 900 employees or fewer. Employees are averaged over the last 24 months.
From SBA's table of size standards, effective Mar 17, 2023. Confirm it with SBA's size standards tool before you certify your size.
Who buys carbon and graphite product manufacturing
Agencies that awarded the most under NAICS 335991 over the last three fiscal years, per USAspending.gov:
| Agency | Obligated |
|---|---|
| Defense Logistics Agency | $21 million |
| Department of the Navy | $3.3 million |
| National Aeronautics and Space Administration | $161,408 |
| Department of State | $118,123 |
| Bureau of Reclamation | $63,351 |
| Department of the Air Force | $33,910 |
| Bureau of Engraving and Printing | $3,394 |
| Defense Contract Management Agency | $0 |
Open notices right now come from Dept of Defense (1).
Set-asides on open 335991 contracts
- No set-aside (full and open): 1
Not sure which set-asides you qualify for? Try the free SBA certification screener, or read set-aside contracts, explained.
Your competition
193 businesses with active SAM.gov registrations are rated small under NAICS 335991, most of them in California (24), Texas (22), Florida (18), Pennsylvania (9) and Ohio (8). Look any of them up with the free CAGE code and UEI lookup.
Federal spending under 335991 by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $5.7 million |
| FY2025 | $4.2 million |
| FY2026 | $14.7 million |
| FY2027 (so far) | $0 |
Source: USAspending.gov, all contract awards with this NAICS code. Fiscal years start October 1.
Related NAICS codes
- 335910 Battery Manufacturing
- 335921 Fiber Optic Cable Manufacturing
- 335929 Other Communication and Energy Wire Manufacturing
- 335931 Current-Carrying Wiring Device Manufacturing
- 335932 Noncurrent-Carrying Wiring Device Manufacturing
- 335999 All Other Miscellaneous Electrical Equipment and Component Manufacturing
Frequently asked questions
What is NAICS code 335991?
335991 is the 2022 NAICS code for Carbon and Graphite Product Manufacturing. The Census Bureau's index lists work such as brush blocks, carbon or molded graphite, manufacturing, brushes and brush stock contacts, electric, carbon and graphite, manufacturing, brushplates, carbon or graphite, manufacturing under it. Federal contracting uses the 2022 codes.
What is the SBA size standard for NAICS 335991?
900 employees or fewer. A business at or under that is small for contracts assigned this code. The current SBA table took effect Mar 17, 2023.
Are there government contracts for carbon and graphite product manufacturing?
Yes. 1 federal contract opportunities under NAICS 335991 are open on SAM.gov right now. Agencies obligated about $4.2 million under this code in fiscal year 2025, according to USAspending.gov.
How do I add NAICS code 335991 to my SAM.gov registration?
Update your entity registration on SAM.gov and add the code on the Goods and Services page, in the Assertions section. You can list several NAICS codes and mark one as your primary. Changes are free.
Keep going
- Search other NAICS codes by keyword or company
- How to choose NAICS codes for government contracts
- NAICS codes with the most open federal contracts
FedReady is an independent company, not affiliated with SBA, SAM.gov, the Census Bureau or any government agency. Open-contract counts come from SAM.gov and update daily; spending figures come from USAspending.gov.