This U.S. industry comprises establishments primarily engaged in manufacturing insulated fiber optic cable from purchased fiber optic strand.
Not in this code
Establishments primarily engaged in manufacturing unsheathed fiber optic materials are classified in Industry 32721, Glass and Glass Product Manufacturing.
Establishments primarily engaged in manufacturing insulated nonferrous wire and cable from purchased wire are classified in U.S. Industry 335929, Other Communication and Energy Wire Manufacturing.
SBA size standard
A business is small under NAICS 335921 if it has no more than 1,000 employees (averaged over the last 24 months, including affiliates).
Source: SBA Table of Size Standards, effective 2023-03-17. Always check the size standard printed in the solicitation itself.
Who buys it
Departments that posted the most NAICS 335921 solicitations in the last two years:
Communications Infrastructure Materials · Department of Defense · Maryland · posted September 22, 2026
Cable, Fiber Optic · Department of Defense · Hawaii · posted September 8, 2026
Fiber Optic Cabling Bench Stock · Department of Defense · Colorado · posted September 3, 2026
USNA Dark Fiber Cables · Department of Defense · Maryland · posted August 31, 2026
Fiber Optic Cable and Accessories LOM for Springfield, Illinois (XGFG) · Department of Defense · Illinois · posted August 31, 2026
Fiber Optic Cable and Accessories LOM for Annville, Pennsylvania (LKLW) · Department of Defense · Pennsylvania · posted August 31, 2026
Fiber Optic Cabling and accessories for Langley AFB · Department of Defense · Virginia · posted August 24, 2026
Fusion Splicers and Cleavers · Department of Defense · Pennsylvania · posted August 20, 2026
Do this kind of work?
Send XL Eagle your price on an open fiber optic cable manufacturing job. We write and submit the bid under our registrations. If we win, you do the work at your price. No fees.
NAICS 335921 is Fiber Optic Cable Manufacturing. This U.S. industry comprises establishments primarily engaged in manufacturing insulated fiber optic cable from purchased fiber optic strand.
What is the SBA size standard for NAICS 335921?
The size standard for NAICS 335921 is 1,000 employees. Firms at or under it count as small businesses for contracts assigned this code.
Are there government contracts for fiber optic cable manufacturing?
Yes. 1 government contract is open under NAICS 335921 right now, and 18 were posted in the last 12 months.
Can I bid on NAICS 335921 contracts without registering in SAM.gov?
You need an active SAM.gov registration to win a federal contract in your own name. If you would rather skip that, XL Eagle can bid as the prime contractor using your price, and you do the work as our subcontractor.
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