Top DOE hazardous waste treatment and disposal contractors
In the 12 months ending Nov 5, 2026, the Department of Energy obligated $1.0B in net prime contract dollars under NAICS 562211, up 9.3% from $932.2M in the preceding 12 months. 4 prime contractors received positive obligations, and 1 of them accounted for 80% of that spend.
Prime contracts funded by the Department of Energy. Latest 12 months: Nov 6, 2025 to Nov 5, 2026. Source: USAspending.gov.
See 1 potential recompetes ↓Obligations by fiscal year
Net prime contract obligations by federal fiscal year (October to September).
Top DOE contractors for NAICS 562211
Ranked by positive obligations in the latest 12 months. Share is of all positive obligations in this market.
| # | Contractor | Latest 12 mo | Prior 12 mo | Share | Rank change |
|---|---|---|---|---|---|
| 1 | Hanford Tank Waste Operations & Closure, LLC | $1.0B | $874.0M | 99.2% | — |
| 2 | Waste Control Specialists LLC | $7.3M | $6.4M | 0.7% | ▲ 1 |
| 3 | Bwxt NOG Technologies, Inc. | $966K | $250K | 0.1% | ▲ 1 |
| 4 | Accurate Structural Inc. | $33K | $0 | 0.0% | New |
What changed in the last 12 months
Contractors with the largest change in reported obligations versus the preceding 12 months.
Largest gains
- $874.0M → $1.0B (+$145.0M) · now #1
- $6.4M → $7.3M (+$974K) · now #2
- Bwxt NOG Technologies, Inc.$250K → $966K (+$716K) · now #3
Largest declines
- $51.6M → −$8.4M (−$60.0M) · no latest-period obligations
- US Ecology Washington Inc$20K → $0 (−$20K) · no latest-period obligations
- Chem-Nuclear Systems, L.L.C$17K → $0 (−$17K) · no latest-period obligations
New to this market
1 contractors received their first obligations in this market (since FY2022) during the latest 12 months. The largest:
| Contractor | First obligation | Latest 12 mo |
|---|---|---|
| Accurate Structural Inc. | Mar 3, 2026 | $33K |
Where the money comes from
Funding sub-agencies within the Department of Energy, latest 12 months. The funding organization can differ from the office that runs the requirement.
| Funding sub-agency | Latest 12 mo | Prior 12 mo | Change |
|---|---|---|---|
| Department of Energy | $1.0B | $932.2M | Up $86.8M (9.3%) |
Potential recompetes
Large awards in this market whose current period of performance ends in the next 18 months. Treat these as research leads: options, extensions, and follow-on vehicles often change the timing.
| Award | Incumbent | Obligated | Current end |
|---|---|---|---|
| 89303424FEM400022 | Waste Control Specialists LLC TRANSURANIC GREATER THAN CLASS C WASTE STORAGE - THIS TASK ORDER PROVIDES INTERIM STORAGE, MONITORING, AND MANAGEMENT OF UP TO SEVENTY FOUR (74) SHIPPING CONTAINERS OF DOE… | $15.0M | Dec 2, 2026 |
Common questions
Who are the top DOE contractors for NAICS 562211?
In the latest 12 months, Hanford Tank Waste Operations & Closure, LLC ($1.0B), Waste Control Specialists LLC ($7.3M), Bwxt NOG Technologies, Inc. ($966K) received the most DOE obligations for hazardous waste treatment and disposal.
How concentrated is this market?
The eight largest primes held 100.0% of positive obligations, and Hanford Tank Waste Operations & Closure, LLC alone held 99.2%. 1 contractors won their first obligations in this market during the latest 12 months.
Are any large DOE NAICS 562211 contracts ending soon?
1 of the largest awards in this market reach their current end date in the next 18 months. The first is 89303424FEM400022 (Waste Control Specialists LLC, $15.0M obligated), ending Dec 2, 2026. An end date is a research lead, not a confirmed recompete: options and extensions often move it.
Related markets
NAICS 562211 across all agencies
DoD · NAICS 562211
$304.7MVA · NAICS 562211
$18.7MFigures are net obligations on prime contracts (award types A–D) from USAspending.gov, grouped by funding agency and the NAICS code on each award. Net obligations include deobligations and corrections, so they can differ from positive-obligation totals. See methodology.
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