NEILSON ASSOCIATES INC is associated with UEI G48NYU17TXX7 and CAGE 1BPZ5 in public federal records. AcornBids currently links 1 prime award totaling $289.3K in obligations to this entity. Its largest recorded federal customer by obligations is Department of the Treasury. Its recorded federal awards include work classified as Remediation Services. These categories describe the loaded award records, not a complete list of company capabilities. Its primary SAM.gov NAICS is 541620 (Environmental Consulting Services). Its public SAM.gov registration lists CHADDS FORD, PA, USA.
Detailed agency totals are not available in this stored profile.
Largest positive coded-agency total ÷ all positive coded-agency totals × 100
Missing data is shown as unavailable.
Prime contract obligations across loaded award records. Obligations are not revenue or contract ceilings. Summary updated Oct 16, 2026. Refresh pending; these totals may be out of date.
Public SAM.gov registration details.
Source facts
Net transaction obligations by federal fiscal period.
Reported transaction obligations by federal fiscal period; includes deobligations. Missing transactions are not estimated. Coverage: 1 of 1 selected awards. Select a period to explore its awards.
Prime contract awards. Select an award to review its history and source evidence.
| Award / description | Awarding agency | Obligations | Start date | End date |
|---|---|---|---|---|
| 2036X522C00002DUCT AND PRODUCTION EQUIPMENT CLEANING | Department of the Treasury | $289.3K | Nov 15, 2021 | Dec 30, 2025 |
| Registration evidence | Date |
|---|---|
| SAM updated | Jul 10, 2026 |
| Source loaded | Sep 19, 2026 |
| Initial registration | Mar 20, 2002 |
| Entity start | Sep 1, 1978 |
Registration classifications: Self Certified Small Disadvantaged Business, Woman Owned Small Business, Woman Owned Business, Small Business. These are separate from the reported certificates above.
| Industry | Reported size status |
|---|---|
| 541350 — Building Inspection Services | Not reported |
| 541620 — Environmental Consulting Services | Not reported |
| 541690 — Other Scientific and Technical Consulting Services | Not reported |
| 561210 — Facilities Support Services | Not reported |
| 562910 — Remediation Services | Not reported |
| Contact | Role | Published contact methods | Evidence | Source date |
|---|---|---|---|---|
| BRENDA A NEILSON HANSEN | Government business | Contact method not published | SAM registration | Not available |
| BRENDA A NEILSON HANSEN | Alternate government business | Contact method not published | SAM registration | Not available |
| BRENDA A NEILSON HANSEN | Electronic business | Contact method not published | SAM registration | Not available |
| BRENDA A NEILSON HANSEN | Alternate electronic business | Contact method not published | SAM registration | Not available |
Registration classifications and published certificates do not by themselves establish eligibility for a particular solicitation. View SAM source
Explore the customer, work and award-size evidence behind each match.
Recorded award industries: 562910 — Remediation Services.
Recorded products and services: S299 — Other Housekeeping Services.
Examples from recent award records:
These records describe federal award work, not every company capability. Review the award evidence.
10 NINE GATES ROAD, CHADDS FORD, Pennsylvania 19317, United States
Registered location from SAM.gov; award performance locations may differ.
541620 — Environmental Consulting Services.
Primary SAM.gov NAICS classification.
Department of the Treasury.
Sources: SAM.gov registration, USAspending awards and transactions, and linked supporting records. Prime contract obligations, IDV ceilings and assistance amounts are kept separate. Missing records are not zero activity. Company claims are labeled separately. Recompete signals are rule-based scores out of 100. Positioning windows are AcornBids estimates.
Disclosed relationships only. Missing records do not establish that a contractor has no partners. Ambiguous parent award identifiers are excluded.
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