Kleinfelder, Inc.
Tulsa, OK Part of The Kleinfelder Group, Inc.
- UEI
- KNA5AX6GJKJ9
- CAGE
- 3ZFH6
- Primary NAICS
- 541330 Engineering Services
- SAM.gov registration
- Active through
Company facts
- Self-certified in SAM.gov
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Other NAICS codes in SAM.gov
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- 213112 Support Activities for Oil and Gas Operations
- 213113 Support Activities for Coal Mining
- 213114 Support Activities for Metal Mining
- 221111 Hydroelectric Power Generation
- 221114 Solar Electric Power Generation
- 221115 Wind Electric Power Generation
- 221116 Geothermal Electric Power Generation
- 221122 Electric Power Distribution
Show all 32
- 221310 Water Supply and Irrigation Systems
- 221320 Sewage Treatment Facilities
- 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
- 541430 Graphic Design Services
- 541490 Other Specialized Design Services
- 541512 Computer Systems 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
-
-
Parent
Coronado, CA
WN6FYAM8PNL1
-
Parent
Coronado, CA
WN6FYAM8PNL1
- SAM.gov registration date
- Physical address
- 12727 E 61st St a, Tulsa, OK 74146, 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 .
Grant subawards
| Prime recipient | Prime award | Amount | Awarded |
|---|---|---|---|
| Not on record | B-24-MC-40-0003 | $47,894 |
Quick answers
Is Kleinfelder, Inc. registered in SAM.gov?
Yes. Kleinfelder, Inc.'s SAM.gov registration is active through May 19, 2027.
On GovTribe
See Kleinfelder, Inc.'s full federal record
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