SNG Subsidiary
Thunder Rocks Federal
Company Profile
Unique Entity ID No. (SAM): FKP7T2L62N79
DUNS Number: N/A
CAGE Code: 9MAV4
Primary NAICS Code: 541330 (E1)
Tribal 8(a)
Company Information
Thunder Rocks Federal, LLC (Thunder Rocks)
Thunder Rocks is a tribally owned Small Business Administration (SBA)-certified 8(a) Small Disadvantaged Business and a subsidiary of Seneca Nation Group (SNG), the federal contracting arm of Seneca Holdings.
Thunder Rocks is a trusted federal provider of specialized engineering and environmental services, delivering innovative, compliant, and mission-focused solutions for the federal government. Our capabilities span electrical engineering, HVAC and mechanical engineering, environmental engineering and regulatory studies, Per- and Polyfluoroalkyl Substances (PFAS) and Aqueous Film-Forming Foam AFFF) contamination investigation and remediation, and cultural and historic preservation services in accordance with National Environmental Policy Act (NEPA) and State Historical Preservation Office (SHPO) requirements.
Thunder Rock's focus areas include:
- Environmental Engineering & Regulatory Studies: Phase I & II Environmental Site Assessments (ESAs); Full-spectrum NEPA Compliance, Environmental Investigation, and Documentation Support; Spill Prevention, Control, and Countermeasure (SPCC) Plans; Stormwater Pollution Prevention Plan (SWPPP) Development; Site Characterization & Remediation Design; Wetland Delineation; Stormwater Management & Groundwater Modeling
- PFAS & AFFF Contamination Services: PFAS Site & Groundwater Investigations; Forensic Sampling & Analysis; Treatment/Destruction Technology Implementation (e.g., Electrochemical Oxidation, Plasma Arc, Filtration); AFFF Transition Planning; Long-Term Monitoring; Regulatory Compliance; Installations, Airfields & Fire Training Site Support
- Cultural & Historic Preservation Services: NEPA/Cultural & Historic Preservation Compliance; Cultural Resource Inventory & Surveys; Section 106 Review & Compliance; SHPO & Tribal Consultation; Historical Evaluation & Mitigation Plans; Federal Projects in Sensitive or Protected Areas
- Electrical Engineering Services: Power System Design & Analysis; Power Distribution, Substations, & Energy Load Solutions; Arc Flash Studies, Grounding & Backup Systems; Control System Engineering; Supervisory Control and Data Acquisition (SCADA); Renewable Energy Integration (e.g., Solar/Battery/Microgrids); New Builds, Modernization & Redundancy; Code Compliance, Reliability & Operational Continuity
- HVAC & Mechanical Engineering: System Design, Retro-Commissioning & Upgrades; Indoor Air Quality Assessments; Building Automation Integration; Airflow, Energy Use & Comfort Advanced Modeling; Leadership in Energy and Environmental Design (LEED)/Energy Star Certification; Efficiency & Lifecycle Cost Optimization; Specialized Designs for Federal, Healthcare, Lab & Industrial Facilities; Clean Room & Historic Retrofit Support
Thunder Rocks Federal, LLC (Thunder Rocks) is one of the wholly owned subsidiaries of Seneca Holdings, LLC, which is the business arm of the Seneca Nation.
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