Federal contractor profile
UEI QBGESEAM3LS5CAGE 9QSW0
LJB ENGINEERING PROFESSIONAL CORPORATION is associated with UEI QBGESEAM3LS5 and CAGE 9QSW0 in public federal records. AcornBids currently links 1 prime award totaling $152.1K in obligations to this entity. Its largest recorded federal customer by obligations is Smithsonian Institution. Its recorded federal awards include work classified as Engineering Services. These categories describe the loaded award records, not a complete list of company capabilities. Its primary SAM.gov NAICS is 541330 (Engineering Services). Its public SAM.gov registration lists MIAMISBURG, OH, 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 23, 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 Refresh pending; these totals may be out of date.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 |
|---|---|---|---|---|
| 33330224CF0010376FINAL DESIGN AND INSTALLATION OF FALL PROTECTION ON LOADING DOCK ROOF AT THE CHDM, NY | Smithsonian Institution | $152.1K | Sep 12, 2024 | Sep 30, 2026 |
| Registration evidence | Date |
|---|---|
| SAM updated | Sep 30, 2025 |
| Source loaded | Sep 26, 2026 |
| Initial registration | Oct 6, 2023 |
| Entity start | Jul 15, 2022 |
Registration classifications: Small Business. These are separate from the reported certificates above.
| Industry | Reported size status |
|---|---|
| 236210 — Industrial Building Construction | Not reported |
| 236220 — Commercial and Institutional Building Construction | Not reported |
| 237110 — Water and Sewer Line and Related Structures Construction | Not reported |
| 238910 — Site Preparation Contractors | Not reported |
| 238990 — All Other Specialty Trade Contractors | Not reported |
| 332323 — Ornamental and Architectural Metal Work Manufacturing | Not reported |
| 531120 — Lessors of Nonresidential Buildings (except Miniwarehouses) | Not reported |
| 541310 — Architectural Services | Not reported |
| 541320 — Landscape Architectural Services | Not reported |
| 541330 — Engineering Services | Not reported |
| 541350 — Building Inspection Services | Not reported |
| 541370 — Surveying and Mapping (except Geophysical) Services | Not reported |
| 541611 — Administrative Management and General Management Consulting Services | Not reported |
| 541620 — Environmental Consulting Services | Not reported |
| 541690 — Other Scientific and Technical Consulting Services | Not reported |
| 541990 — All Other Professional, Scientific, and Technical Services | Not reported |
| 562910 — Remediation Services | Not reported |
| 611430 — Professional and Management Development Training | Not reported |
| 624230 — Emergency and Other Relief Services | Not reported |
| Contact | Role | Published contact methods | Evidence | Source date |
|---|---|---|---|---|
| KEVIN WILCOX | Government business | Contact method not published | SAM registration | Not available |
| KATHERINE BROCK | 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: 541330 — Engineering Services.
Recorded products and services: C1JA — ARCHITECT AND ENGINEERING- CONSTRUCTION: MUSEUMS AND EXHIBITION BUILDINGS.
Examples from recent award records:
These records describe federal award work, not every company capability. Review the award evidence.
2500 NEWMARK DR, MIAMISBURG, Ohio 45342, United States
Registered location from SAM.gov; award performance locations may differ.
541330 — Engineering Services.
Primary SAM.gov NAICS classification.
Smithsonian Institution.
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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