Karen Rose O Caballero
Macheche Doing business as 8K Builders
- UEI
- SQJZM3CEG3Z9
- CAGE
- 6Q062
- SAM.gov registration
- Active through
Company facts
- Self-certified in SAM.gov
- Entity structure
- Sole Proprietorship
- NAICS codes registered in SAM.gov
-
- 238220 Plumbing, Heating, and Air-Conditioning Contractors Primary
- 236210 Industrial Building Construction
- 238210 Electrical Contractors and Other Wiring Installation Contractors
- 532490 Other Commercial and Industrial Machinery and Equipment Rental and Leasing
- 561210 Facilities Support Services
- 561720 Janitorial Services
- SAM.gov registration date
- Physical address
- 1798 16, Macheche, 96929, Guam
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Recent federal awards
| Award | Agency | Obligated | Awarded |
|---|---|---|---|
| Bldg repair for aafb bldg 27001 | RCO Hawaii 413th CSB | $9,500 | |
| Aafb bldg 17005 and 27001 repairs | RCO Hawaii 413th CSB | $0 | |
| Purchase exhause fan and materials | Naval Facilities Engineering Command | $4,888 | |
| Repair UPS located in YAP airport | National Oceanic and Atmospheric Administration | $16,500 |
About Karen Rose O Caballero
Karen Rose O Caballero, doing business as 8K Builders, is a sole proprietorship that is a self-certified small disadvantaged business owned by a woman. 8K Builders provides construction, repair, and installation services to U.S. federal government agencies.
Through prime contract awards, 8K Builders has provided building repair services to the Department of the Army and the Department of the Navy Naval Facilities Engineering Command. These services included repairs to specific buildings at Army bases on Guam, as well as purchasing and installing exhaust fans and materials. As a subcontractor, 8K Builders has provided locks, intercom systems, speakers, and PA systems to schools on Guam. These subcontracts were under prime contractor Science Applications International Corporation for various agencies. Specific services provided as a subcontractor included procuring and installing locks, intercom/clock systems, speakers, and PA/intercom systems at various schools on Guam. Subcontract awards have been designated as total small business set asides.
SBA capabilities narrative
Air Conditioning and Refrigeration installation, repair and maintenance.
Electrical
Kitchen Equipment Repair and Maintenance
Minor Renovation
Janitorial Services
Quick answers
What is Karen Rose O Caballero's UEI?
Karen Rose O Caballero's Unique Entity ID (UEI) in SAM.gov is SQJZM3CEG3Z9.
What is Karen Rose O Caballero's CAGE code?
Karen Rose O Caballero's CAGE code is 6Q062.
What is Karen Rose O Caballero's primary NAICS code?
Karen Rose O Caballero's primary NAICS code is 238220 (Plumbing, Heating, and Air-Conditioning Contractors).
Where is Karen Rose O Caballero located?
Karen Rose O Caballero's physical address in SAM.gov is 1798 16, Macheche, 96929, Guam.
Is Karen Rose O Caballero registered in SAM.gov?
Yes. Karen Rose O Caballero's SAM.gov registration is active through October 28, 2026.
What is Karen Rose O Caballero's most recent federal award?
Karen Rose O Caballero's most recent federal contract award is Bldg repair for aafb bldg 27001 (W91QVP22P4100), from RCO Hawaii 413th CSB, on January 20, 2022.
On GovTribe
See Karen Rose O Caballero's full federal record
- Federal contract awards
- Subcontracting relationships
- Funding analysis by agency, NAICS and set-aside
- Similar vendors