Where is the company registered?
18405 SE MILL PLAIN BLVD STE 100, VANCOUVER, Washington 98683, United States
Registered location from SAM.gov; award performance locations may differ.
Active
Small Business
Overview
- Legal name
- MACKAY SPOSITO, LLC
- Also known as
- MACKAY SPOSITO
- Registered location
- VANCOUVER, WA, USA
- Website
- Company website ↗
- Primary NAICS
- 541330 — Engineering Services
- Latest award activity
- Not available
Read company summary
MACKAY SPOSITO, LLC is associated with UEI DNU6CM53M1E3 and CAGE 1TCD1 in public federal records. AcornBids currently links 0 prime awards totaling $0 in obligations to this entity. Its primary SAM.gov NAICS is 541330 (Engineering Services). Its public SAM.gov registration lists VANCOUVER, WA, USA.
At a glance
Lifetime prime obligations$0
Prime awards0
Awards with future end dates0
Top-agency concentration
Not available
Why this customer concentration
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 13, 2026. Refresh pending; these totals may be out of date.
Business information
Public SAM.gov registration details.
- Legal name
- MACKAY SPOSITO, LLC
- Doing business as
- MACKAY SPOSITO
- UEI
- DNU6CM53M1E3
- CAGE
- 1TCD1
- Registered address
- 18405 SE MILL PLAIN BLVD STE 100, VANCOUVER, WA, 98683, USA
- Registration status
- Active
- Primary NAICS
- 541330 — Engineering Services
- SAM activation
- Sep 24, 2025
- Initial registration
- Mar 4, 2002
- Entity start
- May 27, 1974
- SAM updated
- Sep 24, 2025
- Registration expires
- Sep 18, 2026
- Fiscal year end
- Dec 31
- Place of incorporation
- WA, USA
Research brief
Source facts
- Loaded prime-award records link 0 awards and $0 in reported obligations to this legal entity. Source
Federal award analysis
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.
Recent federal awards
Prime contract awards. Select an award to review its history and source evidence.
No matching records in the loaded data.
Registration, certifications & contacts
| Registration evidence | Date |
|---|---|
| SAM updated | Sep 24, 2025 |
| Source loaded | Sep 26, 2026 |
| Initial registration | Mar 4, 2002 |
| Entity start | May 27, 1974 |
Registration classifications: Small Business. These are separate from the reported certificates above.
| Industry | Reported size status |
|---|---|
| 237120 — Oil and Gas Pipeline and Related Structures Construction | Not reported |
| 237130 — Power and Communication Line and Related Structures Construction | Not reported |
| 237310 — Highway, Street, and Bridge Construction | Not reported |
| 237990 — Other Heavy and Civil Engineering Construction | Not reported |
| 541320 — Landscape Architectural Services | Not reported |
| 541330 — Engineering Services | Not reported |
| 541340 — Drafting Services | Not reported |
| 541370 — Surveying and Mapping (except Geophysical) 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 |
| Contact | Role | Published contact methods | Evidence | Source date |
|---|---|---|---|---|
| DERRICK SMITH | Government business | Contact method not published | SAM registration | Not available |
| DERRICK SMITH | Electronic business | Contact method not published | SAM registration | Not available |
Registered industries
- 237120 — Oil and Gas Pipeline and Related Structures Construction
- 237130 — Power and Communication Line and Related Structures Construction
- 237310 — Highway, Street, and Bridge Construction
- 237990 — Other Heavy and Civil Engineering Construction
- 541320 — Landscape Architectural Services
- 541330 — Engineering Services
- 541340 — Drafting Services
- 541370 — Surveying and Mapping (except Geophysical) Services
- 541620 — Environmental Consulting Services
- 541690 — Other Scientific and Technical Consulting Services
- 541990 — All Other Professional, Scientific, and Technical Services
Registered products and services
- C1AZ — ARCHITECT AND ENGINEERING- CONSTRUCTION: OTHER ADMINISTRATIVE FACILITIES/SERVICE BUILDINGS
- C1BD — ARCHITECT AND ENGINEERING- CONSTRUCTION: AIRPORT RUNWAYS AND TAXIWAYS
- C1BE — ARCHITECT AND ENGINEERING- CONSTRUCTION: AIRPORT TERMINALS
- C1BG — ARCHITECT AND ENGINEERING- CONSTRUCTION: ELECTRONIC AND COMMUNICATIONS FACILITIES
- C1CA — ARCHITECT AND ENGINEERING- CONSTRUCTION: SCHOOLS
- C1CZ — ARCHITECT AND ENGINEERING- CONSTRUCTION: OTHER EDUCATIONAL BUILDINGS
- C1DB — ARCHITECT AND ENGINEERING- CONSTRUCTION: LABORATORIES AND CLINICS
- C1DZ — ARCHITECT AND ENGINEERING- CONSTRUCTION: OTHER HOSPITAL BUILDINGS
- C1EB — ARCHITECT AND ENGINEERING- CONSTRUCTION: MAINTENANCE BUILDINGS
- C1EZ — ARCHITECT AND ENGINEERING- CONSTRUCTION: OTHER INDUSTRIAL BUILDINGS
- C1FA — ARCHITECT AND ENGINEERING- CONSTRUCTION: FAMILY HOUSING FACILITIES
- C1FB — ARCHITECT AND ENGINEERING- CONSTRUCTION: RECREATIONAL BUILDINGS
- C1FZ — ARCHITECT AND ENGINEERING- CONSTRUCTION: OTHER RESIDENTIAL BUILDINGS
- C1GZ — ARCHITECT AND ENGINEERING- CONSTRUCTION: OTHER WAREHOUSE BUILDINGS
- C1KA — ARCHITECT AND ENGINEERING- CONSTRUCTION: DAMS
- C1KB — ARCHITECT AND ENGINEERING- CONSTRUCTION: CANALS
- C1LB — ARCHITECT AND ENGINEERING- CONSTRUCTION: HIGHWAYS, ROADS, STREETS, BRIDGES, AND RAILWAYS
- C1LC — ARCHITECT AND ENGINEERING- CONSTRUCTION: TUNNELS AND SUBSURFACE STRUCTURES
- C1LZ — ARCHITECT AND ENGINEERING- CONSTRUCTION: PARKING FACILITIES
- C1MB — ARCHITECT AND ENGINEERING- CONSTRUCTION: EPG FACILITIES - GAS
- C1MD — ARCHITECT AND ENGINEERING- CONSTRUCTION: EPG FACILITIES - HYDRO
- C1MG — ARCHITECT AND ENGINEERING- CONSTRUCTION: EPG FACILITIES - SOLAR
- C1MH — ARCHITECT AND ENGINEERING- CONSTRUCTION: EPG FACILITIES - WIND
- C1MZ — ARCHITECT AND ENGINEERING- CONSTRUCTION: EPG FACILITIES - OTHER, INCLUDING TRANSMISSION
- C1NC — ARCHITECT AND ENGINEERING- CONSTRUCTION: POLLUTION ABATEMENT AND CONTROL FACILITIES
- C1ND — ARCHITECT AND ENGINEERING- CONSTRUCTION: SEWAGE AND WASTE FACILITIES
- C1NE — ARCHITECT AND ENGINEERING- CONSTRUCTION: WATER SUPPLY FACILITIES
- C1NZ — ARCHITECT AND ENGINEERING- CONSTRUCTION: OTHER UTILITIES
- C1PA — ARCHITECT AND ENGINEERING- CONSTRUCTION: RECREATIONAL FACILITIES (NON-BUILDING)
- C1PD — ARCHITECT AND ENGINEERING- CONSTRUCTION: WASTE TREATMENT AND STORAGE FACILITIES
- C1PZ — ARCHITECT AND ENGINEERING- CONSTRUCTION: OTHER NON-BUILDING FACILITIES
- C212 — Engineering Drafting Services
- C213 — A&E Inspection Services (non-construction)
- C214 — A&E Management Engineering Services
- C219 — Other Architect and Engineering Services
- C220 — ARCHITECT AND ENGINEERING- GENERAL: STRUCTURAL ENGINEERING
- F004 — Forest/Range Fire Rehabilitation Services (non-construction)
- F007 — Range Seeding Services (ground equipment)
- F008 — Recreation Site Maintenance Services (non-construction)
- F011 — Surface Mining Reclamation Services (non-construction)
- F021 — Site Preparation
- F022 — Fish Hatchery Services
- F099 — Other Natural Resources and Conservation Services
- F103 — Water Quality Support Services
- F105 — Pesticides Support Services
- F108 — Hazardous Substance Removal, Cleanup, and Disposal Services and Operational Support
- F110 — Development of Environmental Impact Statements and Assessments
- F113 — ENVIRONMENTAL SYSTEMS PROTECTION- WETLANDS CONSERVATION AND SUPPORT
- F114 — ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL LICENSING AND PERMITTING
- F999 — Other Environmental Services, Studies, and Analytical Support
- R404 — Land Surveys, Cadastral Services (non-construction)
- R408 — Program Management/Support Services
- R425 — Engineering and Technical Services
- S111 — Gas Services
- S112 — Electric Services
- S114 — Water Services
- S119 — Other Utilities
Registration classifications and published certificates do not by themselves establish eligibility for a particular solicitation. View SAM source
Teaming relationships
Disclosed relationships only. Missing records do not establish that a contractor has no partners. Ambiguous parent award identifiers are excluded.
| Relationship | Reported parties | Dates | Evidence |
|---|---|---|---|
| mentor protege | DNU6CM53M1E3 (mentor) / CIVIL SOLUTIONS ENGINEERING & MANAGEMENT LLC | May 27, 2026 – Not available | SBA active mentor-protégé list |
About MACKAY SPOSITO, LLC
What is its primary registered industry?
541330 — Engineering Services.
Primary SAM.gov NAICS classification.
Data coverage and methodology
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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