Terraphase Engineering Inc.
Oakland, CA
- UEI
- MFB8MBN4FX54
- CAGE
- 65XN1
- Primary NAICS
- 541620 Environmental Consulting Services
- 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
- Corporate family
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Terraphase Engineering Inc.
MFB8MBN4FX54
- Robinson & Noble Inc. LNVJWT8GJ643
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Terraphase Engineering Inc.
MFB8MBN4FX54
- SAM.gov registration date
- Physical address
- 1300 Clay St #1000, Oakland, CA 94612, USA
- Website
- terraphase.com
- Founded
- 2010
- Employees
- 51-250
- Estimated annual revenue
- $10M-$50M
- Industry
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- Industrials
- Commercial & Professional Services
- Professional Services
- Consulting
- SIC code
- 89 Services, Not Elsewhere Classified
- Profiles
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Recent federal awards
| Award | Agency | Obligated | Awarded |
|---|---|---|---|
| ESA services for 20 mile and 18 mile locations on the chugach national forest | Forest Service | $15,499 | |
| Sulwhanon well hydrogeological consulting services | Indian Health Service | $23,118 | |
| R-6 (pacific northwest), engineering, cercla activity upper granite creek watershed mines, integrated eeca AP # 675872 | Forest Service | $96,321 | |
| Expert witness services | Civil Division | $7,464 | |
| To obtain ground penetrating radar services for the DOG mountain trailhead and determine the presence or absence of… | Forest Service | $5,665 |
About Terraphase Engineering Inc.
Terraphase Engineering Inc. is a small business subchapter S corporation located in Oakland, California, specializing in environmental consulting, engineering, and technical services for federal agencies. The company provides comprehensive environmental assessments, hazardous materials management, and technical consulting across various federal sectors. Registered in SAM.gov since 2010, Terraphase has established itself as a versatile environmental services provider capable of supporting multiple government agencies with specialized environmental and technical expertise.
The company has secured federal contracts for a diverse range of environmental services, including environmental site assessments (ESA), hydrogeological consulting, CERCLA activities, ground penetrating radar services, and expert witness testimony. Terraphase has worked with agencies such as the U.S. Department of Agriculture's Forest Service, Environmental Protection Agency, Department of Health and Human Services' Indian Health Service, Department of Transportation's Maritime Administration, and Civil Division. Many of their contracts have been set aside for small businesses, demonstrating the company's ability to compete effectively in federal procurement. Contract values have ranged from $3,130 to $333,470, covering projects like environmental consulting for the Suisun Bay Reserve Fleet, water treatment plant hazardous materials assessments, and environmental engineering work for watershed mine sites.
Terraphase Engineering Inc. holds three significant federal contract Indefinite Delivery Vehicles (IDVs): a $1.5 million Multiple Award Schedule (MAS) contract with the General Services Administration's Federal Acquisition Service, a $7.5 million Blanket Purchase Agreement (BPA) with the U.S. Forest Service Pacific Northwest Region for hazardous materials services, and a $25 million Architect-Engineer Services IDIQ contract with the U.S. Department of Agriculture Forest Service Northwest Zone. These IDVs enable federal agencies to efficiently procure environmental consulting services across disciplines including environmental management, GIS, hazardous materials assessments, and technical support. The contracts cover regions including Oregon, Washington, and Alaska, and provide flexible procurement options for agencies seeking specialized environmental engineering and consulting services.
Contract vehicles
Quick answers
What is Terraphase Engineering Inc.'s UEI?
Terraphase Engineering Inc.'s Unique Entity ID (UEI) in SAM.gov is MFB8MBN4FX54.
What is Terraphase Engineering Inc.'s CAGE code?
Terraphase Engineering Inc.'s CAGE code is 65XN1.
What is Terraphase Engineering Inc.'s primary NAICS code?
Terraphase Engineering Inc.'s primary NAICS code is 541620 (Environmental Consulting Services).
Where is Terraphase Engineering Inc. located?
Terraphase Engineering Inc.'s physical address in SAM.gov is 1300 Clay St #1000, Oakland, CA 94612, USA.
Is Terraphase Engineering Inc. registered in SAM.gov?
Yes. Terraphase Engineering Inc.'s SAM.gov registration is active through May 26, 2027.
Which contract vehicles does Terraphase Engineering Inc. hold?
Terraphase Engineering Inc. holds a place on 3 federal contract vehicles, including MAS.
What is Terraphase Engineering Inc.'s most recent federal award?
Terraphase Engineering Inc.'s most recent federal contract award is ESA services for 20 mile and 18 mile locations on the chugach national forest (1240BF25F0044), from Forest Service, on August 18, 2025.
On GovTribe
See Terraphase Engineering Inc.'s full federal record
- Federal contract awards
- IDV awards
- Contract vehicles
- Funding analysis by agency, NAICS and set-aside
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