Tetrahedron, Inc.
Tetrahedron, Inc. is a small business in Baltimore, MD registered on SAM.gov to bid on federal contracts. It has won about $47,598 in federal prime contracts since fiscal year 2024, according to USAspending.gov.
- UEI
- CLHMYT7SAQA7
- CAGE code
- 0WAB2
- SAM.gov registration
- Active
Registration details
| Legal business name | Tetrahedron, Inc. |
|---|---|
| Unique Entity ID (UEI) | CLHMYT7SAQA7 |
| CAGE code | 0WAB2 |
| Location | Baltimore, MD |
| SAM.gov registration | Active through Sep 16, 2027 |
| Business started | 1988 |
| Primary NAICS code | 541620: Environmental Consulting Services |
| Website | www.tetrahedron-inc.com |
Certifications and business types
- Minority-owned (self-reported in SAM.gov)
- Small disadvantaged business (self-reported in SAM.gov)
- Women-owned (self-reported in SAM.gov)
- Women-owned small business (self-reported in SAM.gov)
SBA certifications let a business compete for set-aside contracts. See set-aside contracts explained.
Federal contract history
USAspending.gov shows no federal prime contracts for this UEI in the last five years. Many small businesses start as subcontractors to larger firms; see how to become a government subcontractor.
NAICS codes Tetrahedron, Inc. is small under
On its SAM.gov registration, Tetrahedron, Inc. meets the SBA size standard for these industries, so it can bid on small business set-asides that use them.
- 541620 Environmental Consulting Services
- 211120 Crude Petroleum Extraction
- 211130 Natural Gas Extraction
- 213112 Support Activities for Oil and Gas Operations
- 237110 Water and Sewer Line and Related Structures Construction
- 541310 Architectural Services
- 541320 Landscape Architectural Services
- 541330 Engineering Services
- 541340 Drafting Services
- 541350 Building Inspection Services
- 541360 Geophysical Surveying and Mapping Services
- 541370 Surveying and Mapping (except Geophysical) Services
- 541512 Computer Systems Design Services
- 541513 Computer Facilities Management Services
- 541519 Other Computer Related Services
- 541611 Administrative Management and General Management Consulting Services
- 541690 Other Scientific and Technical Consulting Services
- 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
- 561110 Office Administrative Services
- 561210 Facilities Support Services
- 561790 Other Services to Buildings and Dwellings
- 562112 Hazardous Waste Collection
- 562119 Other Waste Collection
- 562211 Hazardous Waste Treatment and Disposal
And 3 more.
Open contracts in Tetrahedron, Inc.'s NAICS codes
783 open federal opportunities on SAM.gov use a NAICS code Tetrahedron, Inc. is small under. These are due soonest.
- Trash and Garbage Removal Services
✦ The U.S. Embassy in Seoul, South Korea wants a contractor to collect and dispose of trash and garbage at various embassy sites.
Due in 2 daysOct 12, 2026
- Army Continuing Medical Education (CME) Reaccreditation
Due in 2 daysOct 12, 2026
- SB Set-Aside under Seaport – Battle Watch Support Services for CNIC
Due in 2 daysOct 12, 2026
- Design Basis Threat (DBT) and Target Sets Security
Due in 2 daysOct 12, 2026
- Flow-Induced Vibration Review and Guidance
Due in 2 daysOct 12, 2026
Similar small businesses
Other small businesses with the same primary NAICS code (541620) that have won federal contracts, starting with Maryland:
- Haztrain Inc, Waldorf, MD
- Environmental Management Support, Inc, Silver Spring, MD
- Environmental Research Group, L.L.C., Baltimore, MD
- Straughan Environmental, Inc., Columbia, MD
- Sustainable Design Consortium, (SDC) Inc, Baltimore, MD
- Association of Consultants and Engineers, Leonardtown, MD
Frequently asked questions
What is Tetrahedron, Inc.'s CAGE code?
Tetrahedron, Inc.'s CAGE code is 0WAB2. The Defense Logistics Agency assigns CAGE codes when a business registers on SAM.gov.
What is Tetrahedron, Inc.'s UEI?
Tetrahedron, Inc.'s Unique Entity ID (UEI) is CLHMYT7SAQA7. SAM.gov assigns the UEI, and it identifies the business across the federal government.
Is Tetrahedron, Inc.'s SAM.gov registration active?
Yes, as of the latest SAM.gov public data, Tetrahedron, Inc.'s registration is active through sep 16, 2027. Registrations are renewed every year.
Is Tetrahedron, Inc. a small business?
Tetrahedron, Inc. is registered on SAM.gov as small under 27 NAICS codes, including its primary code, 541620. Size is set per NAICS code, so a business can be small for some contracts and not others.
Keep going
- Look up another business's CAGE code or UEI
- Check a SAM.gov registration's status
- How to become a government subcontractor
Registration details come from SAM.gov's public entity extract and contract figures from USAspending.gov. Contact names and street addresses are left out. To change these details, update the registration on SAM.gov. To ask us to remove this page, email hello@fedready.us.