Federal contractor profile
UEI GXFSUP4AZMN4CAGE 8BW48
WESTON - ER FEDERAL SERVICES, LLC is associated with UEI GXFSUP4AZMN4 and CAGE 8BW48 in public federal records. AcornBids currently links 3 prime awards totaling $73.8M in obligations to this entity. Its largest recorded federal customer by obligations is Department of Defense. 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 WEST CHESTER, 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 Sep 20, 2026. Refresh pending; these totals may be out of date.
Public SAM.gov registration details.
Net transaction obligations by federal fiscal period.
Transaction history is not available in the loaded data. Annual funding is not estimated from current award totals.
Prime contract awards. Select an award to review its history and source evidence.
| Award / description | Awarding agency | Obligations | Start date | End date |
|---|---|---|---|---|
| W9128F21F0164PFAS WPAFB | Department of Defense | $26.5M | Jul 2, 2021 | Dec 1, 2025 |
| W9128F20D0050BASE PERIOD - RAPID RESPONSE ERS/WMMRP | Department of Defense | $100.0M | Aug 26, 2020 | Not available |
| W9128F21F0134HYDRAULIC CAPTURE & POINT SOURCE RMVL (PFAS/PFOA) SHAW AFB, SC | Department of Defense | $47.4M | Jun 11, 2021 | Sep 30, 2025 |
| Registration evidence | Date |
|---|---|
| SAM updated | May 29, 2026 |
| Source loaded | Sep 19, 2026 |
| Initial registration | Jun 10, 2019 |
| Entity start | Feb 4, 2019 |
| Industry | Reported size status |
|---|---|
| 541330 — Engineering Services | Not reported |
| 541620 — Environmental Consulting Services | Not reported |
| 562910 — Remediation Services | Not reported |
| Contact | Role | Published contact methods | Evidence | Source date |
|---|---|---|---|---|
| ANDREW LEISTER | Government business | Contact method not published | SAM registration | Not available |
| CATHY VALOCCHI | Alternate government business | Contact method not published | SAM registration | Not available |
| ANDREW LEISTER | Electronic business | Contact method not published | SAM registration | Not available |
| CATHY VALOCCHI | 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: F999 — Other Environmental Services, Studies, and Analytical Support.
Examples from recent award records:
These records describe federal award work, not every company capability. Review the award evidence.
1400 WESTON WAY, WEST CHESTER, Pennsylvania 19380, United States
Registered location from SAM.gov; award performance locations may differ.
541620 — Environmental Consulting Services.
Primary SAM.gov NAICS classification.
Department of Defense.
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.
No official subaward rows are loaded, so Acorn does not claim known teaming relationships.
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