BLACKBURN CONSULTING is associated with UEI CCLGNGMY1LD5 and CAGE 4PL16 in public federal records. AcornBids currently links 4 prime awards totaling $1.3M in obligations to this entity. Its largest recorded federal customer by obligations is Department of Defense. Its recorded federal awards include work classified as Engineering Services; All Other Professional, Scientific, and Technical 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 AUBURN, CA, 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 7, 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 Refresh pending; these totals may be out of date.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: 4 of 4 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 |
|---|---|---|---|---|
| W912PL26FA010BORROW SITE INVESTIGATION AND EVALUATION AND HYDROGEOLOGIC DESIGN SUPPORT, SANTA MARGARITA RIVER LEVEE, MCAS CAMP PENDLETON, OCEANSIDE, SAN DIEGO COUNTY, CALIFORNIA. | Department of Defense | $626.4K | Feb 4, 2026 | Oct 2, 2026 |
| W9123826PA002ISABELLA EXPERT GEOTECH SERVICES | Department of Defense | $216.0K | Nov 18, 2025 | Nov 17, 2027 |
| W912PL26FA001SANTA PAULA CREEK AND VENTURA RIVER, GEOTECHNICAL ENGINEERING DESIGN SERVICES W81EYN52683033 | Department of Defense | $460.0K | Oct 8, 2025 | Jun 25, 2026 |
| W912PL25F0028FY25 GEOTECH MATOC MINIMUM GUARANTEE | Department of Defense | $1.0K | Dec 27, 2024 | Dec 26, 2029 |
Modeled recompete windows are estimates, not announced solicitations or guarantees.
| Registration evidence | Date |
|---|---|
| SAM updated | Jul 2, 2026 |
| Source loaded | Sep 19, 2026 |
| Initial registration | Mar 12, 2007 |
| Entity start | Oct 1, 1998 |
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 |
| 237310 — Highway, Street, and Bridge Construction | Not reported |
| 237990 — Other Heavy and Civil Engineering Construction | Not reported |
| 541330 — Engineering Services | Not reported |
| 541380 — Testing Laboratories and Services | Not reported |
| 541620 — Environmental Consulting Services | Not reported |
| Contact | Role | Published contact methods | Evidence | Source date |
|---|---|---|---|---|
| DONALD BLACKBURN | Government business | Contact method not published | SAM registration | Not available |
| DONALD BLACKBURN | Alternate government business | Contact method not published | SAM registration | Not available |
| SHERRY KEYES | Electronic business | Contact method not published | SAM registration | Not available |
| DONALD BLACKBURN | 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: 541330 — Engineering Services; 541990 — All Other Professional, Scientific, and Technical Services.
Recorded products and services: C213 — A&E Inspection Services (non-construction); C211 — Architect - Engineer Services (including landscaping, interior layout, and designing); R424 — Expert Witness.
Examples from recent award records:
These records describe federal award work, not every company capability. Review the award evidence.
11521 BLOCKER DR STE 110, AUBURN, California 95603, United States
Registered location from SAM.gov; award performance locations may differ.
541330 — Engineering 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.
Disclosed relationships only. Missing records do not establish that a contractor has no partners. Ambiguous parent award identifiers are excluded.
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