PSC 45: Plumbing, Heating, Waste Disposal
Product group
Code facts
- Codes under it
- 4
- Contract awards
- 2,151 In the last 12 months
- Contract obligations
- $76,136,094 In FY2025
PSC codes and definitions come from the GSA PSC Manual and contract spending from SAM.gov/FPDS.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $374,649 |
| FY2026 | $94,293,398 |
| FY2025 | $76,136,094 |
| FY2024 | $91,361,027 |
| FY2023 | $86,270,478 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | HDT Expeditionary Systems Inc. | $10,679,500 | |
| 2 | S & K Aerospace, LLC | $7,737,896 | |
| 3 | Flightfab, Inc. | $4,280,462 | |
| 4 | Atlantic Diving Supply, Inc. | $3,685,690 | |
| 5 | W S Darley & Co | $3,296,480 | |
| 6 | Evac North America Inc. | $2,974,401 | |
| 7 | Argo Turboserve Corporation | $2,920,248 | |
| 8 | Advanced Technology International | $2,821,246 | |
| 9 | ECI Defense Group, Inc. | $2,600,067 | |
| 10 | Windward Enterprises, LLC | $2,463,229 |
See the full FY2025 ranking of PSC 45 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Defense Logistics Agency | $46,271,769 | |
| 2 | Department of the Army | $12,444,696 | |
| 3 | Department of the Navy | $8,776,885 | |
| 4 | Air Force | $8,551,895 | |
| 5 | Department of Justice | $5,646,396 | |
| 6 | Department of Veterans Affairs | $3,376,459 | |
| 7 | Department of the Interior | $2,996,357 | |
| 8 | Department of Commerce | $1,775,179 | |
| 9 | Department of Agriculture | $1,773,785 | |
| 10 | Department of Homeland Security | $1,285,526 |
Top NAICS codes by obligations
| Rank | NAICS code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 333415 Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing | $17,860,281 | |
| 2 | 333414 Heating Equipment (except Warm Air Furnaces) Manufacturing | $11,469,742 | |
| 3 | 332913 Plumbing Fixture Fitting and Trim Manufacturing | $9,251,178 | |
| 4 | 336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing | $8,030,570 | |
| 5 | 333316 Photographic and Photocopying Equipment Manufacturing | $6,838,197 | |
| 6 | 238220 Plumbing, Heating, and Air-Conditioning Contractors | $4,644,412 | |
| 7 | 333310 Commercial and Service Industry Machinery Manufacturing | $4,284,120 | |
| 8 | 562213 Solid Waste Combustors and Incinerators | $3,986,591 | |
| 9 | 326191 Plastics Plumbing Fixture Manufacturing | $3,516,003 | |
| 10 | 332919 Other Metal Valve and Pipe Fitting Manufacturing | $3,122,777 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Ohio | $15,992,414 | |
| 2 | Maryland | $8,420,161 | |
| 3 | Virginia | $8,253,125 | |
| 4 | Montana | $8,015,202 | |
| 5 | Illinois | $6,677,193 | |
| 6 | Pennsylvania | $6,153,188 | |
| 7 | California | $4,743,634 | |
| 8 | New York | $3,683,595 | |
| 9 | Florida | $3,611,689 | |
| 10 | Connecticut | $3,416,179 | |
| 11 | South Carolina | $2,618,682 | |
| 12 | Tennessee | $2,300,126 | |
| 13 | Texas | $2,270,342 | |
| 14 | Georgia | $1,886,937 | |
| 15 | Kentucky | $1,380,929 | |
| 16 | Missouri | $1,085,044 | |
| 17 | New Jersey | $1,029,344 | |
| 18 | Louisiana | $740,356 | |
| 19 | Wisconsin | $659,576 | |
| 20 | Mississippi | $635,273 | |
| 21 | Arizona | $593,057 | |
| 22 | Washington | $570,010 | |
| 23 | Nebraska | $512,889 | |
| 24 | Indiana | $471,564 | |
| 25 | Alaska | $457,621 | |
| 26 | Massachusetts | $425,258 | |
| 27 | Utah | $402,288 | |
| 28 | District of Columbia | $379,535 | |
| 29 | Idaho | $334,502 | |
| 30 | West Virginia | $334,201 | |
| 31 | Guam | $299,722 | |
| 32 | Nevada | $293,628 | |
| 33 | Michigan | $269,807 | |
| 34 | Arkansas | $260,606 | |
| 35 | Colorado | $245,431 | |
| 36 | Oregon | $156,139 | |
| 37 | Minnesota | $143,803 | |
| 38 | Delaware | $126,490 | |
| 39 | Alabama | $115,630 | |
| 40 | New Mexico | $76,338 | |
| 41 | Oklahoma | $75,040 | |
| 42 | North Carolina | $74,496 | |
| 43 | Wyoming | $61,294 | |
| 44 | South Dakota | $54,749 | |
| 45 | Kansas | $21,636 | |
| 46 | Maine | $12,444 | |
| 47 | Iowa | $3,643 | |
| 48 | New Hampshire | $670 |
Show all 48
Shares are of everything obligated under PSC 45 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Contract opportunities
Show 39 more
Latest 49 of 6,794 listed here. See the rest on GovTribe.
Codes under 45
Quick answers
What is PSC 45?
PSC 45 is Plumbing, Heating, Waste Disposal, a product group of the Federal Product and Service Codes.
What codes are under PSC 45?
PSC 45 has 4 codes under it with their own GovTribe pages, including 4510 Plumbing Fixtures and Accessories, 4520 Space and Water Heating Equipment and 4530 Fuel Burning Equipment Units.
How much do federal agencies spend under PSC 45?
Federal contracts under PSC 45 obligated $76,136,094 in fiscal year 2025 and $348,435,645 in fiscal years 2023 through 2027.
Who are the largest contractors under PSC 45?
The contractors with the most obligated under PSC 45 in fiscal years 2026 and 2027 are HDT Expeditionary Systems Inc. ($10,679,500); S & K Aerospace, LLC ($7,737,896); and Flightfab, Inc. ($4,280,462).
Which agencies buy the most under PSC 45?
The agencies that obligated the most under PSC 45 in fiscal years 2026 and 2027 are Defense Logistics Agency ($46,271,769), Department of the Army ($12,444,696) and Department of the Navy ($8,776,885).
Which NAICS codes are used with PSC 45?
The NAICS codes with the most obligated under PSC 45 in fiscal years 2026 and 2027 are 333415 Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing, 333414 Heating Equipment (except Warm Air Furnaces) Manufacturing and 332913 Plumbing Fixture Fitting and Trim Manufacturing.
Where is the work under PSC 45 performed?
By place of performance, the states with the most contract obligations under PSC 45 over the last 12 months are Ohio ($15,992,414), Maryland ($8,420,161) and Virginia ($8,253,125).
What is the latest contract opportunity under PSC 45?
The latest contract opportunity under PSC 45 is Four legged chamber, award notice from Construction and Equipment (DLA), posted October 21, 2026.
On GovTribe
See everything under PSC 45
- Federal contract opportunities, awards and IDVs under this code
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