Capstone Mechanical & General Contractor LLC
San Juan, San Juan
- UEI
- VMMHLJVJWG35
- CAGE
- 7ZKB8
- SAM.gov registration
- Active through
Company facts
- FY2025 rankings
- Self-certified in SAM.gov
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Other NAICS codes in SAM.gov
-
- 221114 Solar Electric Power Generation
- 221122 Electric Power Distribution
- 236115 New Single-Family Housing Construction (except For-Sale Builders)
- 236116 New Multifamily Housing Construction (except For-Sale Builders)
- 236118 Residential Remodelers
- 236210 Industrial Building Construction
- 237110 Water and Sewer Line and Related Structures Construction
- 237120 Oil and Gas Pipeline and Related Structures Construction
Show all 44
- 237130 Power and Communication Line and Related Structures Construction
- 237310 Highway, Street, and Bridge Construction
- 237990 Other Heavy and Civil Engineering Construction
- 238110 Poured Concrete Foundation and Structure Contractors
- 238120 Structural Steel and Precast Concrete Contractors
- 238130 Framing Contractors
- 238140 Masonry Contractors
- 238150 Glass and Glazing Contractors
- 238160 Roofing Contractors
- 238190 Other Foundation, Structure, and Building Exterior Contractors
- 238210 Electrical Contractors and Other Wiring Installation Contractors
- 238220 Plumbing, Heating, and Air-Conditioning Contractors
- 238310 Drywall and Insulation Contractors
- 238320 Painting and Wall Covering Contractors
- 238330 Flooring Contractors
- 238340 Tile and Terrazzo Contractors
- 238350 Finish Carpentry Contractors
- 238390 Other Building Finishing Contractors
- 238910 Site Preparation Contractors
- 238990 All Other Specialty Trade Contractors
- 332313 Plate Work Manufacturing
- 332323 Ornamental and Architectural Metal Work Manufacturing
- 332812 Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers
- 333415 Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing
- 423930 Recyclable Material Merchant Wholesalers
- 541310 Architectural Services
- 541330 Engineering Services
- 541350 Building Inspection Services
- 541611 Administrative Management and General Management Consulting Services
- 541614 Process, Physical Distribution, and Logistics Consulting Services
- 541618 Other Management Consulting Services
- 561612 Security Guards and Patrol Services
- 561720 Janitorial Services
- 561730 Landscaping Services
- 562910 Remediation Services
- 811310 Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
- SAM.gov registration date
- Physical address
- 750 Cll Andrómeda, San Juan, 00926, Puerto Rico
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $0 |
| FY2026 | $985,649 |
| FY2025 | $1,002,539 |
| FY2024 | $960,249 |
| FY2023 | $458,600 |
Top agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of the Treasury | $985,649 |
Contract awards
Similar vendors
| Vendor | Location | Primary NAICS |
|---|---|---|
| Makko Construction L.L.C. | San Juan, San Juan | 236220 Commercial and Institutional Building Construction |
| Novel Construction LLC | San Juan, San Juan | 237310 Highway, Street, and Bridge Construction |
| Unimec Inc. | San Juan, PR | 236210 Industrial Building Construction |
| International Consulting Engineers | Edinburg, TX | 541330 Engineering Services |
| Up-Side Managment Company | Jacksonville, FL | 236220 Commercial and Institutional Building Construction |
About the company
Capstone Mechanical & General Contractor LLC is a minority-owned, Hispanic American-owned limited liability company registered in San Juan, Puerto Rico, with active SAM.gov registration through June 12, 2026. The company holds several significant business certifications, including SBA 8(a) Program Participant status valid until February 24, 2031, and is classified as a self-certified small disadvantaged business. As a for-profit organization, Capstone Mechanical demonstrates a strategic approach to federal contracting by leveraging its small business and minority-owned business designations to secure government contracts across multiple federal agencies.
Over the past several years, Capstone Mechanical & General Contractor LLC has secured federal contracts primarily in construction, infrastructure, and support services sectors. The company has been awarded contracts from diverse federal agencies including the U.S. Department of Agriculture (USDA) Natural Resources Conservation Service, Animal and Plant Health Inspection Service, Department of the Interior's U.S. Geological Survey, and the Internal Revenue Service. Their contract work has encompassed specialized services such as electrical services, HVAC chiller replacement, logistics support, water monitoring infrastructure construction, and access structure development. These contracts have varied in size from approximately $16,722 to over $5.2 million, with set-aside designations including total small business, 8(a) sole source, and non-set-aside procurements. The contract periods have ranged from short-term projects completed within months to longer-term agreements extending through 2029, demonstrating the company's versatility and capability in meeting federal agency infrastructure and service needs.
SBA capabilities narrative
We are problem/situation solvers. With over 30 years in the construction and power industries, have done consulting for FEMA related issues, Have worked for Federal Government USGS, Dept. of State, Dept. of Homeland Security, Puerto Rico Government. Grant consulting, project management, roofing, coatings, doors, windows, welding, installations, plumbing, electricity, road construction, building construction.
Quick answers
Is Capstone Mechanical & General Contractor LLC registered in SAM.gov?
Yes. Capstone Mechanical & General Contractor LLC's SAM.gov registration is active through September 8, 2027.
How much has Capstone Mechanical & General Contractor LLC received in federal contracts?
Federal contracts obligated $1,002,539 to Capstone Mechanical & General Contractor LLC in fiscal year 2025 and $3,407,037 in fiscal years 2023 through 2027.
How does Capstone Mechanical & General Contractor LLC rank among federal contractors?
Capstone Mechanical & General Contractor LLC ranked #60 in NAICS 541618 in FY2025.
What is Capstone Mechanical & General Contractor LLC's most recent federal award?
Capstone Mechanical & General Contractor LLC's most recent federal contract award is USDA nrcs caribbean area requires a licensed electrician to perform electrical services at juana diaz field office… (12FPC325C0004), from Farm Production and Conservation, on October 1, 2025.
On GovTribe
See Capstone Mechanical & General Contractor LLC's full federal record
- Federal contract awards
- Funding analysis by agency, NAICS and set-aside
- Similar vendors