Federal Contractor Profile
Chappelle Mechanical Services LLC
Federal contracting record: $11M obligated across 116 awards from 3 agencies, FY 2019–2026.
Company Profile
UEI (Unique Entity Identifier)
NS1XGB16FNF3
CAGE Code
850W0
Parent Organization
Chappelle Mechanical Services LLC
Address
3701 DALEBROOK DR, DUMFRIES, VA, 220251807
First Federal Award
Jan 28, 2019
Most Recent Award
Apr 22, 2026
Federal Sales Analytics
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Hover any bar for YoY change + award count. Current fiscal year shown at reduced opacity (partial year).
Top Federal Agencies
- $11M
Department of Health and Human Services
111 awards · 98.7% of total
- $85K
Smithsonian Institution
4 awards · 0.8% of total
- $56K
Department of Commerce
1 awards · 0.5% of total
Top NAICS Activity
- $9.5M
238220
PLUMBING, HEATING, AND AIR-CONDITIONING CONTRACTORS
98 awards
- $1.1M
236220
COMMERCIAL AND INSTITUTIONAL BUILDING CONSTRUCTION
12 awards
- $71K
811310
COMMERCIAL AND INDUSTRIAL MACHINERY AND EQUIPMENT (EXCEPT AUTOMOTIVE AND ELECTRONIC) REPAIR AND MAINTENANCE
2 awards
- $41K
221330
STEAM AND AIR-CONDITIONING SUPPLY
2 awards
- $18K
561210
FACILITIES SUPPORT SERVICES
1 awards
- $14K
332919
OTHER METAL VALVE AND PIPE FITTING MANUFACTURING
1 awards
Recent Federal Awards
| Date | Agency | NAICS | Description | Amount |
|---|---|---|---|---|
| Apr 22, 2026 | Department of Health and Human ServicesNATIONAL INSTITUTES OF HEALTH OLAO | 238220 | C202098 - LAB 3E41 AHU-16 AHU REPLACEMENT, BUILDING 13 | $109K |
| Apr 15, 2026 | Department of Health and Human ServicesNATIONAL INSTITUTES OF HEALTH OLAO | 238220 | C201982 - SEWAGE EJECTOR PUMP REPLACEMENT, BUILDING 35 | $43K |
| Apr 15, 2026 | Department of Health and Human ServicesNATIONAL INSTITUTES OF HEALTH OLAO | 238220 | C201831 - REPLACE CHILLED WATER COILS, BUILDING 14B | $89K |
| Apr 13, 2026 | Department of Health and Human ServicesNIH A E CONSTRUCTION | 238220 | REPAIR AND SERVICE 7 DEHUMIDIFIER SYSTEMS, BUILDING 38 | $137K |
| Mar 31, 2026 | Department of Health and Human ServicesNATIONAL INSTITUTES OF HEALTH OLAO | 238220 | REPAIR REHEAT SYSTEM, B1N264, BUILDING 10 | $57K |
| Mar 26, 2026 | Department of Health and Human ServicesNATIONAL INSTITUTES OF HEALTH OLAO | 238220 | REPLACE AND SERVICE VFD UNITS | $72K |
| Mar 10, 2026 | Department of Health and Human ServicesNIH A E CONSTRUCTION | 238220 | PARTS AND LABOR FOR ANNUAL BOILER PLANT OUTAGE - MICHAEL SHAW JR | $76K |
| Feb 27, 2026 | Department of Health and Human ServicesNATIONAL INSTITUTES OF HEALTH OLAO | 238220 | C201488 ANIMAL CAGE WASH INSTALLATION IN BASEMENT ROOM 111, BUILDING 8 | $101K |
| Feb 24, 2026 | Department of Health and Human ServicesNATIONAL INSTITUTES OF HEALTH OLAO | 238220 | REPLACE AND SERVICE FAN COIL UNITS | $65K |
| Jan 28, 2026 | Department of Health and Human ServicesNIH A E CONSTRUCTION | 238220 | M32868461 CHILLED WATER PIPE REPLACEMENT FOR BUILDING 1. | $24K |
| Jan 23, 2026 | Department of Health and Human ServicesNIH A E CONSTRUCTION | 238220 | REPAIR AND SERVICE 7 DEHUMIDIFIER SYSTEMS, BUILDING 38 | $4K |
| Dec 19, 2025 | Department of Health and Human ServicesNIH A E CONSTRUCTION | 238220 | C200714 - DESIGN-BUILD SERVICES, CORRECT 2019 PROJECT DESIGN AND PIPING DEFICIENCIES, BUILDING 13, MICHAEL CAFFO | $12K |
| Dec 9, 2025 | Department of Health and Human ServicesNIH A E CONSTRUCTION | 238220 | C201716 - EMERGENCY REPAIRS FOR THE CENTRAL UTILITY PLANT | $150K |
| Oct 30, 2025 | Department of Health and Human ServicesNIH A E CONSTRUCTION | 238220 | C201628 - BUILDING 82 CHILLER REPAIRS | $22K |
| Sep 25, 2025 | Department of Health and Human ServicesNIH A E CONSTRUCTION | 238220 | C200714 - DESIGN-BUILD SERVICES, CORRECT 2019 PROJECT DESIGN AND PIPING DEFICIENCIES, BUILDING 13, MICHAEL CAFFO | $4K |
| Sep 4, 2025 | Department of Health and Human ServicesNIH A E CONSTRUCTION | 238220 | REPAIR AND SERVICE 7 DEHUMIDIFIER SYSTEMS, BUILDING 38 | $370K |
| Aug 28, 2025 | Department of Health and Human ServicesNIH A E CONSTRUCTION | 238220 | THE CONTRACTOR SHALL PROVIDE ABSL-3 SURVEY & REPAIRS FOR NEXT ANNUAL HVAC AND FACILITY VERIFICATION - MAKE NECESSARY REPAIRS TO AHU-9 TO SUPPORT RESEARCH ACTIVITIES IN THE ABSL-3 SUITE IN BLDG. 50. | $83K |
| Aug 22, 2025 | Department of Health and Human ServicesNIH A E CONSTRUCTION | 238220 | C200983 - PRE-TAB (TEST AND AIR BALANCING) ON ALL EXHAUST FANS IN BUILDING 4 EXCLUDING THE BATHROOM EXHAUST FANS TO IDENTIFY DEFICIENCIES, THEN PERFORM PREVENTIVE MAINTENANCE. | $138K |
| Jul 10, 2025 | Department of Health and Human ServicesNIH A E CONSTRUCTION | 238220 | M32030438 - WELDING OF HOT WATER PIPE, BUILDING 10 M31734832 - PREHEAT WATER LINE REPAIR, BUILDING 10 COR: RICCARDO MISTICHELLI | $7K |
| Jun 12, 2025 | Department of Health and Human ServicesNIH A E CONSTRUCTION | 238220 | M32030438 - WELDING OF HOT WATER PIPE, BUILDING 10 M31734832 - PREHEAT WATER LINE REPAIR, BUILDING 10 COR: RICCARDO MISTICHELLI | $42K |
| Jun 11, 2025 | Department of Health and Human ServicesNIH A E CONSTRUCTION | 238220 | C200211 BLDG 8 EMERGENCY VFD REPLACEMENT PROJECT - CONSTRUCTION SERVICES [24-004195] | $5K |
| Jun 11, 2025 | Department of Health and Human ServicesNIH A E CONSTRUCTION | 238220 | VALVE REPLACEMENT | $9K |
| Jun 6, 2025 | Department of Health and Human ServicesNIH A E CONSTRUCTION | 238220 | M31096814 BLDG. 13 RM. STAIR B1.1 PUMP SEAL REPLACEMENT - TRANISHA FISHER | $19K |
| May 23, 2025 | Department of Health and Human ServicesNIH A E CONSTRUCTION | 238220 | VALVE REPLACEMENT | $13K |
| May 13, 2025 | Department of Health and Human ServicesNIH A E CONSTRUCTION | 238220 | C201224 - REPLACE CAGE WASH HOT WATER HEATER, BLDG 30, MIKE WERNER REQ#: COR: JIN KANG | $75K |
Subawards Received
Chappelle Mechanical Services LLC also receives subaward dollars from other prime contractors. Aggregated from USAspending sub-award reporting (FY2016-FY2026).
Top 1 Primes Paying Chappelle Mechanical Services LLC
- Polu Kai Services, LLC$119K
2 subawards
Related Contractors
Other companies active in NAICS 238220 — PLUMBING, HEATING, AND AIR-CONDITIONING CONTRACTORS.
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