Federal contractor profile
UEI TDB6WLL6EDN1CAGE 0QZW3
MATTHEW F. SCHIEFERSTEIN CORP is associated with UEI TDB6WLL6EDN1 and CAGE 0QZW3 in public federal records. AcornBids currently links 1 prime award totaling $8.2K in obligations to this entity. Its largest recorded federal customer by obligations is Department of Defense. Its recorded federal awards include work classified as Hazardous Waste Collection. These categories describe the loaded award records, not a complete list of company capabilities. Its primary SAM.gov NAICS is 562112 (Hazardous Waste Collection). Its public SAM.gov registration lists CENTRAL ISLIP, NY, 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 22, 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 Refresh pending; these totals may be out of date.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. Histories follow awards currently assigned to this recipient and may include transactions under an earlier recipient. 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 |
|---|---|---|---|---|
| W912BU26CA005AFFF SUPPORT SERVICES AS WELL AS ENVIRONMENTAL SUPPORT NECESSARY TO FACILITATE THE DISPOSAL OF ALL FOAM CONTAINING PERFLUOROALKYL SUBSTANCES (PFAS) REMOVED (STORED IN CONTAINER… | Department of Defense | $8.2K | Jan 13, 2026 | Feb 13, 2026 |
| Registration evidence | Date |
|---|---|
| SAM updated | Jul 3, 2026 |
| Source loaded | Sep 26, 2026 |
| Initial registration | Feb 11, 2025 |
| Entity start | Jul 17, 2024 |
Registration classifications: Small Business. These are separate from the reported certificates above.
| Industry | Reported size status |
|---|---|
| 562112 — Hazardous Waste Collection | Not reported |
| 562119 — Other Waste Collection | Not reported |
| 562211 — Hazardous Waste Treatment and Disposal | Not reported |
| 562219 — Other Nonhazardous Waste Treatment and Disposal | Not reported |
| 562910 — Remediation Services | Not reported |
| 562998 — All Other Miscellaneous Waste Management Services | Not reported |
| Contact | Role | Published contact methods | Evidence | Source date |
|---|---|---|---|---|
| MATTHEW F SCHIEFERSTEIN | Government business | Contact method not published | SAM registration | Not available |
| MATTHEW F SCHIEFERSTEIN | 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: 562112 — Hazardous Waste Collection.
Recorded products and services: J998 — Non-nuclear Ship Repair (East) Ship repair (including overhauls and conversions) performed on non-nuclear propelled and nonpropelled ships east of the 108th meridian.
Examples from recent award records:
These records describe federal award work, not every company capability. Review the award evidence.
8 MAPLE WING DR, CENTRAL ISLIP, New York 11722, United States
Registered location from SAM.gov; award performance locations may differ.
562112 — Hazardous Waste Collection.
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.
Disclosed relationships only. Missing records do not establish that a contractor has no partners. Ambiguous parent award identifiers are excluded.
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