Verdantas Inc.
Irvine, CA Doing business as Leighton Consulting Inc.
- UEI
- FVNGFBNK7CU7
- CAGE
- 37AW0
- Primary NAICS
- 541330 Engineering Services
- SAM.gov registration
- Active through
Company facts
- FY2025 rankings
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Its parent company, Verdantas LLC, ranks #30 in PSC C1JZ
- Self-certified in SAM.gov
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Other NAICS codes in SAM.gov
- Corporate family
-
-
Parent
Dublin, OH
L5SNNSBAPL83
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Parent
Dublin, OH
L5SNNSBAPL83
- SAM.gov registration date
- Physical address
- 2600 Michelson Dr suite 400, Irvine, CA 92612, USA
- Website
- verdantas.com
- Employees
- 251-1K
- Estimated annual revenue
- $100M-$250M
- Industry
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- Industrials
- Capital Goods
- Construction & Engineering
- Civil Engineering
- SIC code
- 87 Engineering & Management Services
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Contract awards
| Award | Agency | Obligated | Awarded |
|---|---|---|---|
| Undrained (EM 1110-2-1906 | ENDIST Los Angeles (USACE) | $97,854 |
Contract subawards
| Prime contractor | Prime award | Amount | Awarded |
|---|---|---|---|
| Stantec Consulting Services Inc. | 140P2025F0091 | $142,484 | |
| Jacobs / Ewingcole, A Joint Venture | N6247319F4996 | $0 |
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| UES Professional Solutions, Inc. | Escondido, CA | 541350 Building Inspection Services |
| Shannon & Wilson, Inc. | Lake Oswego, OR | 541330 Engineering Services |
| Strata Inc. | Boise, ID | 541330 Engineering Services |
| Geotek Hawaii Inc. | Waipahu, HI | 541360 Geophysical Surveying and Mapping Services |
| Froehling & Robertson, Incorporated | Richmond, VA | 541380 Testing Laboratories and Services |
About the company
Leighton Consulting, Inc. is a geotechnical and environmental consulting company that provides materials testing and inspection services. They specialize in environmental engineering, including Phase II ESA subsurface investigations, remediation design and management.
As a subcontractor, Leighton Consulting has provided geotechnical and geophysical services such as drilling for Michael Baker International. They have also provided testing laboratory services as a subcontractor to Tetra Tech Inc., Jacobs/Ewingcole Joint Venture, and other prime contractors. Specific services provided include: desktop reviews of geologic conditions; site-specific geotechnical exploration involving drilling, logging, and sampling; laboratory testing of soil samples; engineering analysis and reporting on geologic, geotechnical, seismic, earthwork, dewatering, and pipeline subgrade conditions; seismic refraction surveys; corrosivity testing; and review of plans and specifications. The subcontracts were likely awarded by federal agencies related to civil engineering, construction, or environmental projects.
Quick answers
Is Verdantas Inc. registered in SAM.gov?
Yes. Verdantas Inc.'s SAM.gov registration is active through February 10, 2027.
How does Verdantas Inc. rank among federal contractors?
Verdantas Inc.'s parent company, Verdantas LLC, ranked #30 in PSC C1JZ in FY2025.
What is Verdantas Inc.'s most recent federal award?
Verdantas Inc.'s most recent federal contract award is Undrained (EM 1110-2-1906 (W912PL07P0030), from ENDIST Los Angeles (USACE), on May 9, 2007.
On GovTribe
See Verdantas Inc.'s full federal record
- Federal contract awards
- Subcontracting relationships
- Funding analysis by agency, NAICS and set-aside
- Similar vendors