Active
Small Business
Overview
- Legal name
- DARWIN CHAMBERS CO LLC
- Registered location
- SAINT LOUIS, MO, USA
- Website
- Company website ↗
- Primary NAICS
- 238390 — Other Building Finishing Contractors
- Latest award activity
- Jun 26, 2026
Read company summary
DARWIN CHAMBERS CO LLC is associated with UEI D967DJKATNN7 and CAGE 33PX5 in public federal records. AcornBids currently links 11 prime awards totaling $615.0K in obligations to this entity. Its largest recorded federal customer by obligations is Department of Commerce. Its recorded federal awards include work classified as Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing; Analytical Laboratory Instrument Manufacturing; Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables. These categories describe the loaded award records, not a complete list of company capabilities. Its primary SAM.gov NAICS is 238390 (Other Building Finishing Contractors). Its public SAM.gov registration lists SAINT LOUIS, MO, USA.
At a glance
Lifetime prime obligations$615.0K
Prime awards11
Awards with future end dates4
Top-agency concentration59.9%
Prime contract obligations across loaded award records. Obligations are not revenue or contract ceilings. Summary updated Oct 9, 2026. Refresh pending; these totals may be out of date.
Business information
Public SAM.gov registration details.
- Legal name
- DARWIN CHAMBERS CO LLC
- UEI
- D967DJKATNN7
- CAGE
- 33PX5
- Registered address
- 2945 WASHINGTON AVE, SAINT LOUIS, MO, 63103, USA
- Registration status
- Active
- Primary NAICS
- 238390 — Other Building Finishing Contractors
- SAM activation
- Sep 10, 2025
- Initial registration
- Nov 16, 2004
- Entity start
- Jun 5, 2003
- SAM updated
- Sep 10, 2025
- Registration expires
- Sep 8, 2026
- Fiscal year end
- Dec 31
- Place of incorporation
- MO, USA
Research brief
Source facts
- Loaded prime-award records link 11 awards and $614,971 in reported obligations to this legal entity. Source
- Recorded awards include Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing (NAICS 333415); this classification is not proof of every company capability. Source
- An example award describes: OU73-25-NEW-113 - ENVIRONMENTAL AND CURING CHAMBER REPLACEMENT - BUILDING 226 Source
Federal award analysis
Net transaction obligations by federal fiscal period.
Selected transaction obligations$573.1K
Prime contracts
Reported transaction obligations by federal fiscal period; includes deobligations. Missing transactions are not estimated. Coverage: 11 of 11 selected awards. Select a period to explore its awards.
Funding change
Dated, valued transaction obligations in equal-length adjacent periods; missing records are unknown. Default: last completed federal fiscal year. Percentage is unavailable when the prior period has no positive reported obligations.
| Measure | Reported value |
|---|---|
| Current period | Oct 1, 2025 – Sep 30, 2026 |
| Current obligations | $109.0K |
| Prior period | Oct 1, 2024 – Sep 30, 2025 |
| Prior obligations | $312.2K |
| Change | $-203.2K |
| Growth | -65.1% |
Where the work is performed
AKMEVTNHWAIDMTNDMNWIMINYMAORNVWYSDIAILINOHPANJCTRICAUTCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFL
State tile map; darker tiles have larger absolute net obligations. Outlined tiles indicate net deobligations. Unshaded tiles have no reported transactions in this selection. Other locations appear in the table.
Agencies
| Category | Period obligations | Awards |
|---|---|---|
| Department of Commerce | $368.6K | 4 |
| Department of Health and Human Services | $64.1K | 2 |
| Department of Veterans Affairs | $57.9K | 1 |
| Department of Agriculture | $42.4K | 1 |
| Department of Defense | $40.1K | 3 |
Offices
| Category | Period obligations | Awards |
|---|---|---|
| DEPT OF COMMERCE NIST | $229.8K | 2 |
| DEPT OF COMMERCE NOAA | $138.8K | 2 |
| 262-NETWORK CONTRACT OFFICE 22 (36C262) | $57.9K | 1 |
| NATIONAL INSTITUTES OF HEALTH OLAO | $45.1K | 1 |
| USDA ARS AFM APD | $42.4K | 1 |
| W2R2 USA ENGR R & D CTR | $40.1K | 2 |
| NIH, NHLBI, DERA OA OFC ACQUISTIONS | $19.0K | 1 |
| NSWC CARDEROCK | $0 | 1 |
Naics
Psc
Vehicles
| Category | Period obligations | Awards |
|---|---|---|
| Unclassified | $573.1K | 11 |
Set Asides
| Category | Period obligations | Awards |
|---|---|---|
| SMALL BUSINESS SET ASIDE - TOTAL | $340.2K | 6 |
| NO SET ASIDE USED. | $232.9K | 5 |
Recent federal awards
Prime contract awards. Select an award to review its history and source evidence.
| Award / description | Awarding agency | Obligations | Start date | End date |
|---|---|---|---|---|
| 1333ND25PNB730579OU73-25-NEW-113 - ENVIRONMENTAL AND CURING CHAMBER REPLACEMENT - BUILDING 226 | Department of Commerce | $229.8K | Sep 22, 2025 | Oct 30, 2026 |
| 1333MJ26P0017PREVENTATIVE MAINTENANCE AND EMERGENCY RESPONSE SERVICES CONTRACT NEEDED THAT WILL PROVIDE ONE PM VISIT PER CONTRACT YEAR AND ONE ER VISIT PER CONTRACT YEAR. | Department of Commerce | $6.0K | Jun 11, 2026 | Jun 10, 2027 |
| 36C26226P1079STABILITY CHAMBER | Department of Veterans Affairs | $57.9K | Jul 1, 2026 | Jun 30, 2027 |
| 75N98026P00432NIMH: SUPPLY: INCUBATOR EQUIPMENT AND ACCESSORIES FOR LABORATORY RESEARCH USES: N/A | Department of Health and Human Services | $45.1K | May 4, 2026 | May 3, 2027 |
| 1232SA25P0567PURCHASE OF TWO INSECT REARING CHAMBERS | Department of Agriculture | $42.4K | Sep 27, 2025 | Dec 31, 2025 |
| 1333ND25PNB730371OU73-25-NEW-113 - ENVIRONMENTAL AND CURING CHAMBER REPLACEMENT - BUILDING 226 | Department of Commerce | $0 | Sep 2, 2025 | Mar 2, 2026 |
| W912HZ23P0097DARWIN CHAMBERS CONTROLLED ENVIRONMENTAL CHAMBERS MAINTENANCE SERVICE CONTRACT BASE YEAR, PLUS 4 OPTIONS U433D70 | Department of Defense | $50.1K | Aug 1, 2023 | Jul 31, 2026 |
| W912HZ25P0056PURCHASE OF STABILITY CHAMBER U438240 | Department of Defense | $22.9K | Jun 2, 2025 | Aug 25, 2025 |
| N0016720P0310ANNUAL, BASE YEAR WITH FOUR OPTION YEARS, PREVENTATIVE MAINTENANCE AND CALIBRATION OF THE MODEL ENX42-6CAL ENVIRONMENTAL CHAMBER LOCATED AT NAVAL SURFACE WARFARE CENTER CARDEROCK… | Department of Defense | $8.9K | Sep 18, 2020 | Sep 20, 2025 |
| 1333MJ24P0050THE LAKE MICHIGAN FIELD STATION IS CURRENTLY BEING RENOVATED AND NEEDS O PROCURE TWO WALK-IN 8'X8' ENVIROLINE 4.0 ENVIRONMENTAL CHAMBERS CAPABLE OF MAINTAINING ACCURATE… | Department of Commerce | $132.8K | Aug 12, 2024 | Apr 25, 2025 |
Upcoming positioning windows
Modeled recompete windows are estimates, not announced solicitations or guarantees.
Registration, certifications & contacts
| Registration evidence | Date |
|---|---|
| SAM updated | Sep 10, 2025 |
| Source loaded | Sep 26, 2026 |
| Initial registration | Nov 16, 2004 |
| Entity start | Jun 5, 2003 |
Registration classifications: Small Business. These are separate from the reported certificates above.
| Industry | Reported size status |
|---|---|
| 238390 — Other Building Finishing Contractors | Not reported |
| 333415 — Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing | Not reported |
| 334512 — Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use | Not reported |
| 334513 — Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables | Not reported |
| 423390 — Other Construction Material Merchant Wholesalers | Not reported |
| Contact | Role | Published contact methods | Evidence | Source date |
|---|---|---|---|---|
| KRISSIE D MCGRATH | Government business | Contact method not published | SAM registration | Not available |
| BRIAN MONROE | Electronic business | Contact method not published | SAM registration | Not available |
Registered industries
- 238390 — Other Building Finishing Contractors
- 333415 — Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing
- 334512 — Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use
- 334513 — Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables
- 423390 — Other Construction Material Merchant Wholesalers
Registration classifications and published certificates do not by themselves establish eligibility for a particular solicitation. View SAM source
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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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