Kleinfelder, Inc.
Hayward, CA Part of The Kleinfelder Group, Inc.
- UEI
- J9HNJE4GLMK6
- CAGE
- 6EXB1
- Primary NAICS
- 541330 Engineering 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
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- 541330 Engineering Services Primary
- 221111 Hydroelectric Power Generation
- 221114 Solar Electric Power Generation
- 221115 Wind Electric Power Generation
- 221116 Geothermal Electric Power Generation
- 221122 Electric Power Distribution
- 221310 Water Supply and Irrigation Systems
- 221320 Sewage Treatment Facilities
Show all
- 236220 Commercial and Institutional Building Construction
- 237110 Water and Sewer Line and Related Structures Construction
- 237310 Highway, Street, and Bridge Construction
- 237990 Other Heavy and Civil Engineering Construction
- 238910 Site Preparation Contractors
- 485112 Commuter Rail Systems
- 485119 Other Urban Transit Systems
- 488119 Other Airport Operations
- 541310 Architectural Services
- 541320 Landscape Architectural Services
- 541340 Drafting Services
- 541350 Building Inspection Services
- 541370 Surveying and Mapping (except Geophysical) Services
- 541380 Testing Laboratories and Services
- 541490 Other Specialized Design Services
- 541620 Environmental Consulting Services
- 541690 Other Scientific and Technical Consulting Services
- 541990 All Other Professional, Scientific, and Technical Services
- 561210 Facilities Support Services
- 562910 Remediation Services
- Corporate family
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The Kleinfelder Group, Inc.
Parent
WN6FYAM8PNL1
- Kleinfelder, Inc. J9HNJE4GLMK6
-
The Kleinfelder Group, Inc.
Parent
WN6FYAM8PNL1
- SAM.gov registration date
- Physical address
- 2601 Barrington Ct, Hayward, CA 94545, USA
- Website
- kleinfelder.com
- Founded
- 1961
- Employees
- 1K-5K
- Estimated annual revenue
- $500M-$1B
- Industry
-
- Industrials
- Capital Goods
- Construction & Engineering
- Civil Engineering
- SIC code
- 87 Engineering & Management Services
- Profiles
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Quick answers
What is Kleinfelder, Inc.'s UEI?
Kleinfelder, Inc.'s Unique Entity ID (UEI) in SAM.gov is J9HNJE4GLMK6.
What is Kleinfelder, Inc.'s CAGE code?
Kleinfelder, Inc.'s CAGE code is 6EXB1.
What is Kleinfelder, Inc.'s primary NAICS code?
Kleinfelder, Inc.'s primary NAICS code is 541330 (Engineering Services).
Where is Kleinfelder, Inc. located?
Kleinfelder, Inc.'s physical address in SAM.gov is 2601 Barrington Ct, Hayward, CA 94545, USA.
Is Kleinfelder, Inc. registered in SAM.gov?
Yes. Kleinfelder, Inc.'s SAM.gov registration is active through December 10, 2026.
Who is Kleinfelder, Inc.'s parent company?
Kleinfelder, Inc. is part of The Kleinfelder Group, Inc.
On GovTribe
See Kleinfelder, Inc.'s full federal record
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