Vendors
Kleinfelder, Inc.
Active registration
- Location
- Tulsa, Oklahoma, United States
- Unique Entity ID (UEI)
- KNA5AX6GJKJ9
- Commercial and Government Entity (CAGE)
- 3ZFH6
Industries
Support Activities for Oil and Gas OperationsNAICS
213112Support Activities for Coal MiningNAICS 213113Support Activities for Metal MiningNAICS 213114Hydroelectric Power GenerationNAICS 221111Solar Electric Power GenerationNAICS 221114Wind Electric Power GenerationNAICS 221115Geothermal Electric Power GenerationNAICS 221116Electric Power DistributionNAICS 221122Water Supply and Irrigation SystemsNAICS 221310Sewage Treatment FacilitiesNAICS 221320Commercial and Institutional Building ConstructionNAICS 236220Water and Sewer Line and Related Structures ConstructionNAICS 237110Highway, Street, and Bridge ConstructionNAICS 237310Label unavailableNAICS 237990ESite Preparation ContractorsNAICS 238910Commuter Rail SystemsNAICS 485112Other Urban Transit SystemsNAICS 485119Other Airport OperationsNAICS 488119Architectural ServicesNAICS 541310Landscape Architectural ServicesNAICS 541320Label unavailableNAICS 541330EDrafting ServicesNAICS 541340Building Inspection ServicesNAICS 541350Surveying and Mapping (except Geophysical) ServicesNAICS 541370Testing Laboratories and ServicesNAICS 541380Graphic Design ServicesNAICS 541430Other Specialized Design ServicesNAICS 541490Computer Systems Design ServicesNAICS 541512Environmental Consulting ServicesNAICS 541620Other Scientific and Technical Consulting ServicesNAICS 541690All Other Professional, Scientific, and Technical ServicesNAICS 541990Facilities Support ServicesNAICS 561210Label unavailableNAICS 562910EBusiness types
- For Profit Organization
Source date: Oct 5, 2026
Record identifier
KNA5AX6GJKJ9