NAICS Code 56221: Waste Treatment and Disposal
NAICS industry
Definition
This industry comprises establishments primarily engaged in (1) operating waste treatment or disposal facilities (except sewer systems or sewage treatment facilities) or (2) the combined activity of collecting and/or hauling of waste materials within a local area and operating waste treatment or disposal facilities. Waste combustors or incinerators (including those that may produce byproducts, such as electricity), solid waste landfills, and compost dumps are included in this industry.
Government contracts for this service: PSC M1PD Operation of Waste Treatment and Storage Facilities
Code facts
- Part of
-
-
56
-
562
- 5622
-
562
-
56
- Codes under it
- 4
- Contract awards
- 7,520 In the last 12 months
- Contract obligations
- $1,938,298,919 In FY2025
NAICS codes and definitions come from the U.S. Census Bureau, size standards from the SBA and contract spending from SAM.gov/FPDS.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $118,437,932 |
| FY2026 | $1,324,382,898 |
| FY2025 | $1,938,298,919 |
| FY2024 | $2,060,643,790 |
| FY2023 | $1,860,438,182 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Hanford Tank Waste Operations & Closure, LLC | $1,097,058,320 | |
| 2 | Bechtel National, Inc. | $48,193,551 | |
| 3 | Bechtel Parsons Blue Grass, A Joint Venture | $25,699,732 | |
| 4 | Environmental Rail Solutions Inc. | $18,067,324 | |
| 5 | Aptim Federal Services, LLC | $12,808,914 | |
| 6 | Clean Harbors Environmental Services Inc. | $12,469,430 | |
| 7 | Seaon Environmental LLC | $11,790,529 | |
| 8 | Waste Control Specialists LLC | $11,201,586 | |
| 9 | Montezuma Wetlands LLC | $11,177,050 | |
| 10 | Willow Environmental Inc. | $8,520,379 |
See the full FY2025 ranking of NAICS 56221 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of Energy | $1,096,577,496 | |
| 2 | Department of the Army | $144,693,470 | |
| 3 | Defense Logistics Agency | $98,500,212 | |
| 4 | Department of the Navy | $46,304,122 | |
| 5 | Department of Veterans Affairs | $19,603,593 | |
| 6 | Air Force | $12,673,373 | |
| 7 | Department of the Interior | $9,163,021 | |
| 8 | Department of Homeland Security | $4,660,247 | |
| 9 | Department of Justice | $4,536,562 | |
| 10 | Defense Health Agency | $3,482,749 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | M1PD Operation of Waste Treatment and Storage Facilities | $1,114,571,664 | |
| 2 | S222 Waste Treatment and Storage | $117,780,666 | |
| 3 | F108 Hazardous Substance Removal, Cleanup, and Disposal Services and Operational Support | $112,531,299 | |
| 4 | F999 Other Environmental Services, Studies, and Analytical Support | $47,874,048 | |
| 5 |
S205 Trash/ |
$13,999,377 | |
| 6 | S119 Other Utilities | $7,668,882 | |
| 7 | S216 Facilities Operations Support Services | $5,321,450 | |
| 8 | F103 Water Quality Support Services | $4,688,356 | |
| 9 | 4540 Waste Disposal Equipment | $4,450,154 | |
| 10 |
R429 Support – Professional: Emergency Response/ |
$3,568,452 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Washington | $1,014,572,235 | |
| 2 | Colorado | $51,661,345 | |
| 3 | California | $43,843,504 | |
| 4 | Kentucky | $26,895,722 | |
| 5 | Texas | $23,329,568 | |
| 6 | Missouri | $18,583,907 | |
| 7 | Virginia | $12,349,289 | |
| 8 | Arizona | $11,320,664 | |
| 9 | Maryland | $10,741,988 | |
| 10 | Florida | $7,667,871 | |
| 11 | Utah | $7,278,193 | |
| 12 | Oklahoma | $6,759,654 | |
| 13 | Alabama | $6,457,903 | |
| 14 | Georgia | $5,938,367 | |
| 15 | Hawaii | $4,298,037 | |
| 16 | Tennessee | $4,153,168 | |
| 17 | District of Columbia | $3,892,053 | |
| 18 | Pennsylvania | $3,864,636 | |
| 19 | Alaska | $3,842,668 | |
| 20 | Michigan | $3,668,947 | |
| 21 | Illinois | $3,574,238 | |
| 22 | Guam | $3,239,790 | |
| 23 | Massachusetts | $2,231,187 | |
| 24 | North Carolina | $2,160,720 | |
| 25 | Indiana | $1,840,549 | |
| 26 | Arkansas | $1,829,884 | |
| 27 | Connecticut | $1,669,573 | |
| 28 | South Carolina | $1,359,948 | |
| 29 | Kansas | $1,359,907 | |
| 30 | New Jersey | $1,089,778 | |
| 31 | West Virginia | $954,604 | |
| 32 | Ohio | $827,562 | |
| 33 | Delaware | $704,437 | |
| 34 | New Mexico | $634,930 | |
| 35 | Mississippi | $496,486 | |
| 36 | Nevada | $494,246 | |
| 37 | Louisiana | $474,918 | |
| 38 | Maine | $418,194 | |
| 39 | South Dakota | $359,017 | |
| 40 | Idaho | $355,692 | |
| 41 | Puerto Rico | $304,161 | |
| 42 | Iowa | $266,818 | |
| 43 | Nebraska | $238,292 | |
| 44 | Oregon | $232,602 | |
| 45 | Rhode Island | $180,513 | |
| 46 | Wisconsin | $142,096 | |
| 47 | Montana | $130,538 | |
| 48 | Minnesota | $125,652 | |
| 49 | North Dakota | $83,267 | |
| 50 | Vermont | $42,700 | |
| 51 | New Hampshire | $41,298 | |
| 52 | Wyoming | $19,361 | |
| 53 | U.S. Virgin Islands | $10,800 |
Show all 53
Shares are of everything obligated under NAICS 56221 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Contract opportunities
Show 37 more
Latest 47 of 6,350 listed here. See the rest on GovTribe.
Codes under 56221
| NAICS code | Size standard |
|---|---|
| 562211 Hazardous Waste Treatment and Disposal | $47 million in average annual receipts |
| 562212 Solid Waste Landfill | $47 million in average annual receipts |
| 562213 Solid Waste Combustors and Incinerators | $47 million in average annual receipts |
| 562219 Other Nonhazardous Waste Treatment and Disposal | $47 million in average annual receipts |
Quick answers
What is NAICS 56221?
NAICS 56221 is Waste Treatment and Disposal, a NAICS industry in NAICS 56, Administrative and Support and Waste Management and Remediation Services.
What codes are under NAICS 56221?
NAICS 56221 has 4 codes under it with their own GovTribe pages, including 562211 Hazardous Waste Treatment and Disposal, 562212 Solid Waste Landfill and 562213 Solid Waste Combustors and Incinerators.
How much do federal agencies spend under NAICS 56221?
Federal contracts under NAICS 56221 obligated $1,938,298,919 in fiscal year 2025 and $7,302,201,721 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 56221?
The contractors with the most obligated under NAICS 56221 in fiscal years 2026 and 2027 are Hanford Tank Waste Operations & Closure, LLC ($1,097,058,320); Bechtel National, Inc. ($48,193,551); and Bechtel Parsons Blue Grass, A Joint Venture ($25,699,732).
Which agencies buy the most under NAICS 56221?
The agencies that obligated the most under NAICS 56221 in fiscal years 2026 and 2027 are Department of Energy ($1,096,577,496), Department of the Army ($144,693,470) and Defense Logistics Agency ($98,500,212).
Which PSC codes are used with NAICS 56221?
The PSC codes with the most obligated under NAICS 56221 in fiscal years 2026 and 2027 are M1PD Operation of Waste Treatment and Storage Facilities; S222 Waste Treatment and Storage; and F108 Hazardous Substance Removal, Cleanup, and Disposal Services and Operational Support.
Where is the work under NAICS 56221 performed?
By place of performance, the states with the most contract obligations under NAICS 56221 over the last 12 months are Washington ($1,014,572,235), Colorado ($51,661,345) and California ($43,843,504).
What is the latest contract opportunity under NAICS 56221?
The latest contract opportunity under NAICS 56221 is DDRV DOT Ozone Inspection, solicitation from Distribution (DLA), posted November 12, 2026.
On GovTribe
See everything under NAICS 56221
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