Recombinant spider silk fibers, including Monster Silk, Dragon Silk, and BAM-1.

Kraig Biocraft Laboratories
Michigan-based Kraig Biocraft Laboratories develops high-strength, protein-based fibers for the textile industry using DNA technology.
- 30
- Public
Kraig Biocraft Laboratories is an Ann Arbor, Michigan biotechnology company that produces recombinant spider silk fibers by engineering transgenic silkworms to spin silk combining spider silk proteins with native silkworm silk. Its fiber brands include Monster Silk, Dragon Silk, and the BAM-1 line introduced in 2024, and the company reports collaborations with the University of Notre Dame supporting its genetic engineering work. In September 2026 it shipped its first commercial order of recombinant spider silk yarn, custom-engineered for a performance sports brand.
The company targets military, industrial, and consumer technical textile applications that require high strength, toughness, and flexibility, and it operates field production and scale-up programs in the United States and Vietnam. Its stated markets include protective materials, athletic apparel, and medical fiber applications, and it reports as a public company on OTC Markets under the ticker KBLB.
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Quick Facts
Who are Kraig Biocraft Laboratories' competitors?
Companies similar to Kraig Biocraft Laboratories include Spiber Inc., Bolt Projects Holdings, Sci-Lume Labs and BioLoom.
When was Kraig Biocraft Laboratories founded?
Kraig Biocraft Laboratories was founded in 2006.
Where is Kraig Biocraft Laboratories' headquarters located?
Kraig Biocraft Laboratories' headquarters is located in Ann Arbor, MI, US.
When was Kraig Biocraft Laboratories' last funding round?
Kraig Biocraft Laboratories' most recent funding round was for $8M (USD) in November 2022.
How much disclosed funding has Kraig Biocraft Laboratories raised?
As of Nov 21, 2022, Kraig Biocraft Laboratories has disclosed funding of $17.5M (USD). Undisclosed round amounts are excluded.
How many employees does Kraig Biocraft Laboratories have?
Kraig Biocraft Laboratories has 30 employees as of Feb 6, 2024.
Classification
- Revenue
- Customer
- Tags
- Ticker
- KBLB
- SEC CIK
- 0001413119
- EIN
- 83-0459707
- NAICS
- 540000Professional, Scientific, and Technical Services
- 541714Research and Development in Biotechnology (except Nanobiotechnology)
- 541000Professional, Scientific, and Technical Services
- 541700Scientific Research and Development Services
- 541710Research and Development in the Physical, Engineering, and Life Sciences
- SIC
- 2820Plastics Materials And Synthetic Resins, Synthetic Rubber, Cellulosic Manmade Fibers
- 2800Chemicals And Allied Products
Show 8 more industry codes
- NAICS
- 620000Health Care and Social Assistance
- SIC
- 4000Railroad Transportation
- 8000Health Services
- 8700Engineering, Accounting, Research, Management, And Related Services
- 8040Offices And Clinics Of Other Health Practitioners
- 8730Research, Development, And Testing Services
- 8049Offices And Clinics Of Health Practitioners, Not Elsewhere Classified
- 8731Commercial Physical and Biological Research
