Henry Spencer Banzhaf
Raleigh, NC
- UEI
- VDYTNDRES115
- CAGE
- 66PA1
- SAM.gov registration
- Active through
Company facts
- Self-certified in SAM.gov
- Entity structure
- Sole Proprietorship
- NAICS codes registered in SAM.gov
- SAM.gov registration date
- Physical address
- 121 Lake Boone Trail, Raleigh, NC 27608, USA
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Recent federal awards
| Award | Agency | Obligated | Awarded |
|---|---|---|---|
| Expert witness | Environment and Natural Resources Division | $144,134 | |
| Expert witness | Environment and Natural Resources Division | $194,158 | |
| Expert witness | Environment and Natural Resources Division | $386,205 | |
| Expert witness | Environment and Natural Resources Division | $34,145 | |
| Expert witness | Environment and Natural Resources Division | $103,008 |
About Henry Spencer Banzhaf
Henry Spencer Banzhaf is a sole proprietorship based in Raleigh, North Carolina, registered in SAM.gov since November 2010, with registration valid through December 2025. As a for-profit organization, Banzhaf specializes in providing expert witness services, primarily in the environmental litigation domain. The entity has established a significant professional presence in federal contracting, particularly with the U.S. Department of Justice's Environment and Natural Resources Division, demonstrating substantial expertise in supporting complex legal proceedings related to environmental matters.
Between 2020 and 2024, Henry Spencer Banzhaf has been awarded multiple purchase order contracts totaling over $800,000 from the Department of Justice's Environment and Natural Resources Division. These contracts, ranging from $48,375 to $386,205, are exclusively for expert witness services in environmental litigation. None of the contracts were set aside for specific business types, indicating Banzhaf competed for these awards in an open market. The contracts have performance periods extending from 2021 to 2029, with specific completion dates ranging from April 2024 to February 2029. Each contract is structured as a purchase order and focuses on providing specialized expert testimony and advisory services related to environmental legal matters. The consistent engagement by the Environment and Natural Resources Division suggests Banzhaf offers highly specialized and valued expertise in supporting the agency's legal work involving natural resources and environmental protection issues.
Quick answers
What is Henry Spencer Banzhaf's UEI?
Henry Spencer Banzhaf's Unique Entity ID (UEI) in SAM.gov is VDYTNDRES115.
What is Henry Spencer Banzhaf's CAGE code?
Henry Spencer Banzhaf's CAGE code is 66PA1.
What is Henry Spencer Banzhaf's primary NAICS code?
Henry Spencer Banzhaf's primary NAICS code is 541690 (Other Scientific and Technical Consulting Services).
Where is Henry Spencer Banzhaf located?
Henry Spencer Banzhaf's physical address in SAM.gov is 121 Lake Boone Trail, Raleigh, NC 27608, USA.
Is Henry Spencer Banzhaf registered in SAM.gov?
Yes. Henry Spencer Banzhaf's SAM.gov registration is active through November 25, 2026.
What is Henry Spencer Banzhaf's most recent federal award?
Henry Spencer Banzhaf's most recent federal contract award is Expert witness (15JENR25P00000085), from Environment and Natural Resources Division, on December 27, 2024.
On GovTribe
See Henry Spencer Banzhaf's full federal record
- Federal contract awards
- Funding analysis by agency, NAICS and set-aside
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