CHAPPELLE MECHANICAL SERVICES LLC: federal contracts won
Federal contracts of $10,000 or more awarded to this company since October 2020 (FY2021), from USAspending.gov. UEI: NS1XGB16FNF3
99contracts won
$11,789,501total obligated
$71,669median contract
Sep 28, 2026most recent start
Agencies it works for
| Agency | Contracts | Obligated |
|---|---|---|
| Department of Health and Human Services | 96 | $11,713,155 |
| Smithsonian Institution | 3 | $76,346 |
Where it works
Recent contracts
| Contract | Winner | Agency | Obligated | Start |
|---|---|---|---|---|
| C202349 ADD VENTS TO THE DOMESTIC HOT WATER PIPING SYSTEM
75N99026F00013 · NAICS 236220 Commercial and Institutional Building Construction · Bethesda, MD |
— | Department of Health and Human Services National Institutes of Health |
$195,757 | Sep 28, 2026 Ends: Mar 27, 2027 |
| C202541 - BUILDING 14H WATER HEATER REPLACEMENT
75N99026F00015 · NAICS 236220 Commercial and Institutional Building Construction · Bethesda, MD |
— | Department of Health and Human Services National Institutes of Health |
$289,235 | Sep 25, 2026 Ends: Dec 31, 2026 |
| PCA-ORF-10868 C202294 BLDG. 40 PENTHOUSE ORF - REPLACE EF - 1,2,3 VFDS
75N99026F00016 · NAICS 236220 Commercial and Institutional Building Construction · Bethesda, MD |
— | Department of Health and Human Services National Institutes of Health |
$148,544 | Sep 24, 2026 Ends: Jun 23, 2027 |
| C202500 FAN MOTOR REPLACEMENT, BLDG. 6
75N99026F00005 · NAICS 236220 Commercial and Institutional Building Construction · Bethesda, MD |
— | Department of Health and Human Services National Institutes of Health |
$39,490 | Sep 23, 2026 Ends: Jan 20, 2027 |
| C201910 BUILDING 14H ORF R22 SPLIT-SYSTEM REPLACEMENTS
75N99026F00014 · NAICS 236220 Commercial and Institutional Building Construction · Bethesda, MD |
— | Department of Health and Human Services National Institutes of Health |
$84,045 | Sep 23, 2026 Ends: Dec 31, 2026 |
| INSTALLATION OF THE 2.5" STEAM VENT TO THE EXTERIOR
75N99026F00011 · NAICS 236220 Commercial and Institutional Building Construction · Bethesda, MD |
— | Department of Health and Human Services National Institutes of Health |
$30,684 | Sep 17, 2026 Ends: Dec 31, 2026 |
| C202347 PROVIDE NEW AND ADDITIONAL BALANCING DAMPERS, PROVIDE AIR BALANCING AND THE REPORT, BLDG 49
75N99026F00006 · NAICS 236220 Commercial and Institutional Building Construction · Bethesda, MD |
— | Department of Health and Human Services National Institutes of Health |
$93,552 | Sep 14, 2026 Ends: Apr 30, 2027 |
| C202451 REPLACE WATER HEATERS AND RELATED EQUIPMENT LOCATED IN THE B2 LEVEL MER, BLDG 49
75N99026F00008 · NAICS 236220 Commercial and Institutional Building Construction · Bethesda, MD |
— | Department of Health and Human Services National Institutes of Health |
$336,992 | Sep 14, 2026 Ends: Apr 30, 2027 |
| C202340 - BUILDING 30 REPLACE DOMESTIC WATER BOOSTER PUMPS
75N99026F00010 · NAICS 236220 Commercial and Institutional Building Construction · Bethesda, MD |
— | Department of Health and Human Services National Institutes of Health |
$76,226 | Sep 14, 2026 Ends: Nov 30, 2026 |
| SERVICE SEWAR INJECTOR PIT.
75N99026F00009 · NAICS 236220 Commercial and Institutional Building Construction · Bethesda, MD |
— | Department of Health and Human Services National Institutes of Health |
$25,240 | Sep 10, 2026 Ends: Dec 31, 2026 |
| C202094 - BLDG 28A REPLACE EXISTING EXHAUST FANS 2 AND 3
75N99026F00004 · NAICS 236220 Commercial and Institutional Building Construction · Bethesda, MD |
— | Department of Health and Human Services National Institutes of Health |
$73,483 | Sep 04, 2026 Ends: Dec 11, 2026 |
| C202297 - PERFORM PREVENTIVE MAINTENANCE ON AHU1A AND 1B, BUILDING 14G
75N99026F00003 · NAICS 236220 Commercial and Institutional Building Construction · Bethesda, MD |
— | Department of Health and Human Services National Institutes of Health |
$52,236 | Sep 01, 2026 Ends: Jan 04, 2027 |
| C202273 REPLACE EXISTING HEAT TRANSFER, BLDG. 14B RM B14B
75N99026F00006 · NAICS 238220 Plumbing, Heating, and Air-Conditioning Contractors · Bethesda, MD |
— | Department of Health and Human Services National Institutes of Health |
$120,688 | Aug 31, 2026 Ends: Feb 26, 2027 |
| C201904 - HVAC UNIT REPLACEMENT, BUILDING 67
75N99026F00002 · NAICS 236220 Commercial and Institutional Building Construction · Bethesda, MD |
— | Department of Health and Human Services National Institutes of Health |
$39,600 | Aug 28, 2026 Ends: Oct 31, 2026 |
| C202348 - DOMESTIC WATER SYSTEM UPGRADE FOR CAGE WASH, BUILDING 49
75N99026F00001 · NAICS 236220 Commercial and Institutional Building Construction · Bethesda, MD |
— | Department of Health and Human Services National Institutes of Health |
$119,564 | Aug 19, 2026 Ends: Feb 19, 2027 |
| M31897374 - STEAM STATION REPAIRS, BUILDING 10
75N99026F00004 · NAICS 238220 Plumbing, Heating, and Air-Conditioning Contractors · Bethesda, MD |
— | Department of Health and Human Services National Institutes of Health |
$299,688 | Jul 27, 2026 Ends: Aug 31, 2026 |
| C202407 - NIH BUILDING 8 AHU-8 AND AHU-9 CHW COIL REPLACEMENT.
75N99026F00007 · NAICS 236220 Commercial and Institutional Building Construction · Bethesda, MD |
— | Department of Health and Human Services National Institutes of Health |
$97,814 | Jul 01, 2026 Ends: Jun 30, 2031 |
| H-WING HVAC AND BAS CONTROLS UPGRADE
75N98026F00016 · NAICS 238220 Plumbing, Heating, and Air-Conditioning Contractors · Bethesda, MD |
— | Department of Health and Human Services National Institutes of Health |
$294,118 | Jun 26, 2026 Ends: Oct 13, 2026 |
| C200144 - B50 ABSL-3 SURVEY & REPAIRS FOR NEXT ANNUAL HVAC AND FACILITY VERIFICATION - MAKE NECESSARY REPAIRS TO AHU-9 TO SUPPORT RESEARCH A…
75N98026F00015 · NAICS 238220 Plumbing, Heating, and Air-Conditioning Contractors · Lorton, VA |
— | Department of Health and Human Services National Institutes of Health |
$176,183 | Jun 25, 2026 Ends: Jul 31, 2026 |
| C201898 - REPLACE STEAM PREHEAT COILS IN AHU-7 AND AHU-16, BUILDING 41
75N98026F00014 · NAICS 238220 Plumbing, Heating, and Air-Conditioning Contractors · Bethesda, MD |
— | Department of Health and Human Services National Institutes of Health |
$36,188 | Jun 15, 2026 Ends: Sep 30, 2026 |
| C202059 - REPURPOSE OF AIR HANDLER UNIT, BUILDING 12B
75N98026F00013 · NAICS 238220 Plumbing, Heating, and Air-Conditioning Contractors · Bethesda, MD |
— | Department of Health and Human Services National Institutes of Health |
$312,361 | May 28, 2026 Ends: Nov 15, 2026 |
| NIH CRC STEAM SYSTEM REPAIRS & UPGRADES, BUILDING 10-65
75N98026F00012 · NAICS 238220 Plumbing, Heating, and Air-Conditioning Contractors · Bethesda, MD |
— | Department of Health and Human Services National Institutes of Health |
$291,750 | May 22, 2026 Ends: Sep 30, 2026 |
| NIH CRC STEAM SYSTEM REPAIRS & UPGRADES, BUILDING 10-33
75N98026F00011 · NAICS 238220 Plumbing, Heating, and Air-Conditioning Contractors · Bethesda, MD |
— | Department of Health and Human Services National Institutes of Health |
$231,457 | May 19, 2026 Ends: Jun 30, 2026 |
| INSTALLATION OF TWO DUCTED DIFFUSERS WITH DAMPERS
75N98026F00010 · NAICS 238220 Plumbing, Heating, and Air-Conditioning Contractors · Bethesda, MD |
— | Department of Health and Human Services National Institutes of Health |
$68,643 | May 06, 2026 Ends: Sep 25, 2026 |
| C202131-PROVIDE REPAIR TO EQUIPMENT AND UTILITIES AND TO HAVE A 24HR SUPPORT-MICHAEL SHAW
75N98026F00009 · NAICS 238220 Plumbing, Heating, and Air-Conditioning Contractors · Bethesda, MD |
— | Department of Health and Human Services National Institutes of Health |
$250,000 | May 05, 2026 Ends: Oct 31, 2026 |
Source: USAspending.gov (prime contract awards of $10,000 or more). Values are amounts obligated to date. Recent months can still change as agencies report late.