Isoflex USA
San Francisco, CA
- UEI
- C7B9C8NEK931
- CAGE
- 44EP7
- SAM.gov registration
- Active through
Company facts
- Self-certified in SAM.gov
- Entity structure
- Corporate Entity (Not Tax Exempt)
- NAICS codes registered in SAM.gov
- SAM.gov registration date
- Physical address
- 1801 Lombard St, San Francisco, CA 94123, USA
- Website
- isoflex.com
- Founded
- 1996
- Employees
- 11-50
- Estimated annual revenue
- $1M-$10M
- Industry
-
- Materials
- Chemicals
- SIC code
- 28 Chemical & Allied Products
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Recent federal awards
| Award | Agency | Obligated | Awarded |
|---|---|---|---|
| SIC silicon 28 elemental crystals non-radioactive | Office of Naval Research | $77,435 | |
| 500 g of silicon-28 | ACC Aberdeen Proving Ground | $161,850 | |
| The purpose of this procurement is to provide the nibib/section on immunoengineering laboratory with strontium-86… | National Heart Lung and Blood Institute | $14,825 | |
| US FWS R7 MMM water enriched in 18O | DOI Fish and Wildlife Service Region 7 | $66,363 | |
| Referencing the attached JAN. 2, 2018 - quote no. 180102-04, by annie LUU, isoflax USA will deliver the following 2… | Central Program Planning Coordination and Support | $23,905 |
About Isoflex USA
Isoflex USA is a for-profit Subchapter S Corporation that has been registered to receive federal contract awards since September 7, 2005. The company specializes in supplying stable and radioactive isotopes to various government agencies, positioning itself as a premier isotope supplier. Isoflex USA offers an extensive assortment of difficult-to-find, limited use isotopes, and prides itself on its expertise in pricing, enrichment, processing, and customer service. The company has established itself as a go-to source for specialized isotopic materials required for advanced research and development projects across multiple federal agencies.
Through its federal contract awards, Isoflex USA has provided a range of highly specialized isotopes to government entities. For the U.S. Department of the Navy's Naval Research Laboratory, the company supplied silicon-28 (Si-28) elemental crystals and powders with enrichment levels up to 99.997% under a $77,314.80 firm-fixed-price purchase order. The Department of the Army Materiel Command Research Development and Engineering Command awarded Isoflex USA a $161,850.00 contract for 500 grams of silicon-28 in the form of trichlorosilane. In the civilian sector, the National Institute of Biomedical Imaging and Bioengineering received strontium-86 (Sr-86) for radiochemical syntheses of ligands for molecular imaging under a $14,825.00 purchase order. Isoflex USA has also been involved in subcontract work, supplying gases to the Massachusetts Institute of Technology under a Department of Defense contract. These contracts have typically been awarded as firm-fixed-price purchase orders without set-aside designations, demonstrating Isoflex USA's ability to secure contracts from both defense and civilian agencies in support of critical research and development efforts.
SBA capabilities narrative
ISOFLEX USA supplies stable isotopes for use in science, medicine & industry. We maintain the largest non-government inventory of research isotopes in the West. We also distribute precursors for PET radiopharmaceuticals, reagents kits & sterilized vials.
Quick answers
What is Isoflex USA's UEI?
Isoflex USA's Unique Entity ID (UEI) in SAM.gov is C7B9C8NEK931.
What is Isoflex USA's CAGE code?
Isoflex USA's CAGE code is 44EP7.
What is Isoflex USA's primary NAICS code?
Isoflex USA's primary NAICS code is 424690 (Other Chemical and Allied Products Merchant Wholesalers).
Where is Isoflex USA located?
Isoflex USA's physical address in SAM.gov is 1801 Lombard St, San Francisco, CA 94123, USA.
Is Isoflex USA registered in SAM.gov?
Yes. Isoflex USA's SAM.gov registration is active through November 6, 2026.
What is Isoflex USA's most recent federal award?
Isoflex USA's most recent federal contract award is SIC silicon 28 elemental crystals non-radioactive (N0017324P5246), from Office of Naval Research, on June 17, 2024.
On GovTribe
See Isoflex USA's full federal record
- Federal contract awards
- Subcontracting relationships
- Funding analysis by agency, NAICS and set-aside
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