Doonwood Engineering Inc.
Kailua, HI
- UEI
- MLU4SWCP5NK5
- CAGE
- 0J4H1
- SAM.gov registration
- Active through
Company facts
- Self-certified in SAM.gov
- Entity structure
- Corporate Entity (Not Tax Exempt)
- NAICS codes registered in SAM.gov
-
- 238220 Plumbing, Heating, and Air-Conditioning Contractors Primary
- 221310 Water Supply and Irrigation Systems
- 221320 Sewage Treatment Facilities
- 221330 Steam and Air-Conditioning Supply
- 237110 Water and Sewer Line and Related Structures Construction
- 811310 Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
- SAM.gov registration date
- Physical address
- 333 Uluniu St, Kailua, HI 96734, USA
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Recent federal awards
| Award | Agency | Obligated | Awarded |
|---|---|---|---|
| Perl theater lift station | Pacific West Region | $19,250 | |
| Main backflow preventer replacement, honolulu control facility (HCF), honolulu, HI. | Southwestern Region | $27,625 | |
| Replace or repair failed watts/909 backflow prevention assembly and miscellaneous gaskets and bolts and to certify… | Marketing and Regulatory Programs Business Services | $13,700 | |
| Vender: doonwood engineering adress: 333 iluniu street kailua, hawaii 96734 phone: 808-262-2344 for on-site visit and… | Coast Guard | $0 | |
| Theater lift station | Pacific West Region | $24,869 |
About Doonwood Engineering Inc.
Doonwood Engineering Inc. is a for-profit small business joint venture headquartered in Kailua, Hawaii, that has maintained federal contracting eligibility since its registration with SAM.gov in September 2001. The company specializes in providing preventive maintenance and repair services for critical water and sewage infrastructure systems to federal agencies. With expertise in lift station repair, testing, and mechanical systems maintenance, Doonwood Engineering serves federal clients requiring specialized technical capabilities in confined space work and facility infrastructure management.
The company's federal contract portfolio demonstrates a consistent focus on water and sewage infrastructure maintenance across multiple Department of Interior National Park Service regions and other federal agencies. Most notably, Doonwood Engineering was awarded a $51,875 firm fixed-price purchase order by the Department of the Interior National Park Service Pacific West Region in July 2025 for preventive maintenance services at the Pearl Harbor National Memorial Theater Lift Station, designated as a Total Small Business Set-Aside with quarterly inspections and repairs scheduled through July 2030. Prior to this award, the company completed a $27,625 definitive contract with the National Park Service Southwestern Region in May 2023 for main backflow preventer replacement at the Honolulu Control Facility. Additionally, Doonwood Engineering performed work as a subcontractor to Management & Training Corporation, serving as a sub-awardee on an emergency supplemental pump replacement project at the Waimanalo Facility of the Hawaii Job Corps Center in May 2024. These contract awards reflect the company's specialized expertise in pump systems, electrical control panels, and water infrastructure maintenance, with all identified awards falling under the Total Small Business Set-Aside designation.
SBA capabilities narrative
Mechanical contractor specializing in boilers, heat pumps, sump and water pumps. Sales, installation, maintenance contracts and repairs.
Quick answers
What is Doonwood Engineering Inc.'s UEI?
Doonwood Engineering Inc.'s Unique Entity ID (UEI) in SAM.gov is MLU4SWCP5NK5.
What is Doonwood Engineering Inc.'s CAGE code?
Doonwood Engineering Inc.'s CAGE code is 0J4H1.
What is Doonwood Engineering Inc.'s primary NAICS code?
Doonwood Engineering Inc.'s primary NAICS code is 238220 (Plumbing, Heating, and Air-Conditioning Contractors).
Where is Doonwood Engineering Inc. located?
Doonwood Engineering Inc.'s physical address in SAM.gov is 333 Uluniu St, Kailua, HI 96734, USA.
Is Doonwood Engineering Inc. registered in SAM.gov?
Yes. Doonwood Engineering Inc.'s SAM.gov registration is active through January 5, 2027.
What is Doonwood Engineering Inc.'s most recent federal award?
Doonwood Engineering Inc.'s most recent federal contract award is Perl theater lift station (140P8225P0018), from Pacific West Region, on July 21, 2025.
On GovTribe
See Doonwood Engineering Inc.'s full federal record
- Federal contract awards
- IDV awards
- Subcontracting relationships
- Funding analysis by agency, NAICS and set-aside
- Similar vendors