Hj3 Composite Technologies, LLC
At a glance
Employees20-99
In business sinceNot reported
Industry
HeadquartersTucson, AZ
US patents2
SAM.gov UEIK84LKLE1K5L5
CAGE code3FX39
Incorporated inAZ
- carbon fiber repair systems
- tanks
- silos
- concrete structures
- pipeline repair
- corrosion
- erosion
- dents
- weld defects
- engineering
- pipe repairs
Named on the company’s own website, read JUL 29, 2026
Supplier designations
For Profit Organization
Self-certified by the company in its SAM.gov registration
Patents
2 US patents granted 2022–2023, 2 of them in the five years to SEP 2025.
Surface technology, coating 2
- Fiber reinforced systems with electrostatic dissipationUS 11,849,529 · granted DEC 19, 2023
- Fiber reinforced systems with electrostatic dissipationUS 11,350,511 · granted MAY 31, 2022
Granted to Hj3 Composite Technologies, LLC · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Hj3 Composite Technologies, LLC | Tucson | AZ | 20–99 | LIKELY ACTIVE |
Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.


