Top DOI hazardous waste treatment and disposal contractors (NAICS 562211)

Q: Who are the top DOI hazardous waste treatment and disposal contractors?

In the last 12 months (through September 10, 2026), the leading prime contractors by positive obligations were TGHA with $1,999,295, AUXILIO MANAGEMENT SERVICES with $748,327, and TWIN LANDFILL CORPORATION with $149,387. Rankings use reported USAspending award data.

Q: What recent DOI contract award activity was reported in the hazardous waste treatment and disposal market?

In the last 12 months (through September 10, 2026), highlighted reported actions include TGHA — PIID 140P8625C0003, base award on September 26, 2025, action obligation +$1,999,295; AUXILIO MANAGEMENT SERVICES — PIID 140G0222C0003, modification P00005 on January 20, 2026, action obligation +$761,440. Action obligations are transaction-level amounts, not current award-level obligations.

Q: Which procurement methods were reported for DOI contracts under NAICS 562211?

In the last 12 months (September 11, 2025–September 10, 2026), 14 awards had positive obligations. The leading reported solicitation procedure was Negotiated Proposal/Quote, representing 62% of positive obligations. The leading award type was Definitive Contract, representing 89.8% of positive obligations. 0% of positive obligations were reported as full and open. Awards with a reported parent IDV accounted for 1.7% of positive obligations. Percentages use positive obligations as the denominator.

Contract actions: October 1, 2021 – September 10, 2026 Updated September 11, 2026 Department of the Interior agency guide NAICS 562211 · Hazardous Waste Treatment and Disposal

Latest 12 months: $3.1M; Net obligations · Up $1.6M vs. $1.5M preceding
Prime contractors: 13; With positive obligations in the latest 12 months

Research the DOI federal contracting market for hazardous waste treatment and disposal under NAICS 562211. Compare top federal contractors and market share, reported contract obligations and spending trends, funding-office attribution, recent award activity, and contract types, competition, and procurement methods.

Contract obligation trends for Hazardous Waste Treatment and Disposal at the Department of the Interior

Federal records show $14.8M in net obligations across 133 awards in Hazardous Waste Treatment and Disposal at the Department of the Interior from Oct 1, 2021 through Sep 10, 2026. This market accounts for 0.057% of $25.8B in agency-wide net prime contract obligations over the period shown. Latest 12-month net obligations increased 109.6% from $1.5M to $3.1M. 2 prime contractors accounted for at least 80% of positive obligations in that latest period.

Fiscal-year activity

FY26 is year-to-date through Sep 10, 2026; earlier years show complete fiscal-year totals.

FY26 year-to-date: $1.1M versus $1.5M through the same date in FY25 (−23.1%).

Net obligations · complete fiscal yearNet obligations · FY26 YTDContract actions

View fiscal-year data table

Fiscal year	Net obligations	Contract actions	Coverage
FY2022	$2.4M	66	Complete
FY2023	$3.6M	58	Complete
FY2024	$4.2M	54	Complete
FY2025	$3.5M	30	Complete
FY2026	$1.1M	30	YTD through Sep 10, 2026

Market at a glance

All reported prime contract awards

All-period net obligations: $14.8M; 133 awards · 63 prime contractors
Latest 12-month movement: +109.6%; $3.1M vs. $1.5M
Leading eight prime share: 98.5%; Share held by the eight leading prime contractors in the latest 12 months

View agency share, denominators, and set-aside reporting

Agency context: 0.057% of $25.8B in agency-wide net obligations.
Set-aside share when reported: 64.5% of 76 awards with reported set-aside status.
Set-aside reporting: 49 set aside · 27 no set-aside · 57 not reported

What changed in the last 12 months?

Sep 11, 2025–Sep 10, 2026, compared with Sep 11, 2024–Sep 10, 2025.

Buyer demand

Reported obligations through PWR GOGA(86000) increased

$29K→$2.0M+$2.0M

Latest-period activity spans 4 awards across 2 prime contractors.

How these findings are calculated

Findings are selected from matched-period changes in obligations, share, rank, funding offices, concentration, reported set-asides, material award actions, and agency-peer outliers. Related signals are combined, and only material evidence-backed changes are shown. Review the full methodology.

Federal contract obligations by funding office

See how positive obligations were attributed across funding offices in the 12 months ending Sep 10, 2026.

62.8% of positive obligations were attributed to PWR GOGA(86000). That represents $2.0M, up $2.0M from the preceding 12 months.

Latest 12-month share of positive obligations; the gray segment represents all other reported offices.

PWR GOGA(86000)62.8% · $2.0M · up $2.0M
OFC OF ACQUISITION GRANTS-DENVER23.5% · $748K · down $39K
GREAT PLAINS REGIONAL OFFICE4.7% · $149K · up $7K
WASHINGTON CONTRACTING OFFICE2.7% · $86K · up $86K
PWR OLYM MABO(83000)2.3% · $72K · up $72K
All other reported offices4.0% of positive obligations

View reported office rankings, comparisons, and evidence

USAspending assigns each award to a funding office. That office may differ from the requiring activity, program office, contracting office, individual buyer, or actual customer.

Sort offices by

Reported funding office
PWR GOGA(86000)
#1Up 4 from #5
Latest 12 months
$2.0M
62.8% of positive obligations
Versus preceding 12 months
+$2.0M
2 active prime contractors · 4 awards
View office comparison and evidence
Reported obligations increased 6677.7% from $29K to $2.0M. The office’s share of positive obligations moved from 2.0% to 62.8%, a change of +60.8 percentage points.
The latest period contains 5 actions across 4 awards and 1 newly active prime contractor. The preceding period contained 1 active prime contractor and 3 awards.
Leading award-level changes
TGHA · PIID 140P8625C0003+$2.0M: $0 → $2.0M
Reported funding office
OFC OF ACQUISITION GRANTS-DENVER
#2Down 1 from #1
Latest 12 months
$748K
23.5% of positive obligations
Versus preceding 12 months
−$39K
1 active prime contractor · 1 award
View office comparison and evidence
Reported obligations decreased 4.9% from $787K to $748K. The office’s share of positive obligations moved from 52.5% to 23.5%, a change of −29.0 percentage points.
The latest period contains 2 actions across 1 award. The preceding period contained 2 active prime contractors and 2 awards.
Reported funding office
GREAT PLAINS REGIONAL OFFICE
#3Rank unchanged
Latest 12 months
$149K
4.7% of positive obligations
Versus preceding 12 months
+$7K
1 active prime contractor · 1 award
View office comparison and evidence
Reported obligations increased 5.0% from $142K to $149K. The office’s share of positive obligations moved from 9.5% to 4.7%, a change of −4.8 percentage points.
The latest period contains 1 action across 1 award. The preceding period contained 1 active prime contractor and 2 awards.
Reported funding office
WASHINGTON CONTRACTING OFFICE
#4New to the positive-obligation ranking
Latest 12 months
$86K
2.7% of positive obligations
Versus preceding 12 months
+$86K
1 active prime contractor · 1 award
View office comparison and evidence
Reported obligations moved from $938 in net deobligations to $86K in net obligations. The office’s share of positive obligations moved from 0% to 2.7%, a change of +2.7 percentage points.
The latest period contains 1 action across 1 award and 1 newly active prime contractor. The preceding period contained 1 active prime contractor and 1 award.
Reported funding office
PWR OLYM MABO(83000)
#5New to the positive-obligation ranking
Latest 12 months
$72K
2.3% of positive obligations
Versus preceding 12 months
+$72K
1 active prime contractor · 1 award
View office comparison and evidence
Reported obligations rose from $0 to $72K. The office’s share of positive obligations moved from 0% to 2.3%, a change of +2.3 percentage points.
The latest period contains 1 action across 1 award and 1 newly active prime contractor. The preceding period contained 0 active prime contractors and 0 awards.
Reported funding office
PWR PORE MABO (84000)
#6Rank unchanged
Latest 12 months
$45K
1.4% of positive obligations
Versus preceding 12 months
+$22K
1 active prime contractor · 1 award
View office comparison and evidence
Reported obligations increased 97.8% from $23K to $45K. The office’s share of positive obligations moved from 1.5% to 1.4%, a change of −0.1 percentage points.
The latest period contains 2 actions across 1 award. The preceding period contained 1 active prime contractor and 1 award.
Reported funding office
FWS PACIFIC REGIONAL OFFICE
#7New to the positive-obligation ranking
Latest 12 months
$40K
1.3% of positive obligations
Versus preceding 12 months
+$40K
3 active prime contractors · 3 awards
View office comparison and evidence
Reported obligations rose from $0 to $40K. The office’s share of positive obligations moved from 0% to 1.3%, a change of +1.3 percentage points.
The latest period contains 4 actions across 3 awards and 3 newly active prime contractors. The preceding period contained 0 active prime contractors and 0 awards.
Reported funding office
OREGON STATE OFFICE
#8Down 4 from #4
Latest 12 months
$16K
0.50% of positive obligations
Versus preceding 12 months
−$28K
2 active prime contractors · 2 awards
View office comparison and evidence
Reported obligations decreased 63.4% from $44K to $16K. The office’s share of positive obligations moved from 2.9% to 0.50%, a change of −2.4 percentage points.
The latest period contains 4 actions across 2 awards. The preceding period contained 3 active prime contractors and 3 awards.
Reported funding office
INDIAN EDUCATION ACQUISITION OFFICE
#9New to the positive-obligation ranking
Latest 12 months
$12K
0.38% of positive obligations
Versus preceding 12 months
+$12K
1 active prime contractor · 1 award
View office comparison and evidence
Reported obligations rose from $0 to $12K. The office’s share of positive obligations moved from 0% to 0.38%, a change of +0.4 percentage points.
The latest period contains 2 actions across 1 award and 1 newly active prime contractor. The preceding period contained 0 active prime contractors and 0 awards.
Reported funding office
OFC OF ACQUSITION GRANTS-NATIONAL
#10New to the positive-obligation ranking
Latest 12 months
$12K
0.38% of positive obligations
Versus preceding 12 months
+$12K
1 active prime contractor · 1 award
View office comparison and evidence
Reported obligations rose from $0 to $12K. The office’s share of positive obligations moved from 0% to 0.38%, a change of +0.4 percentage points.
The latest period contains 1 action across 1 award and 1 newly active prime contractor. The preceding period contained 0 active prime contractors and 0 awards.
Reported funding office
PWR HONO MABO(82000)
No positive-obligation rank
Latest 12 months
$0
0% of positive obligations
Versus preceding 12 months
−$8K
0 active prime contractors · 0 awards
View office comparison and evidence
Reported obligations decreased 100.0% from $8K to $0. The office’s share of positive obligations moved from 0.55% to 0%, a change of −0.6 percentage points.
The latest period contains 0 actions across 0 awards. The preceding period contained 1 active prime contractor and 1 award.
Reported funding office
ALBUQUERQUE AREA OFFICE
No positive-obligation rank
Latest 12 months
$0
0% of positive obligations
Versus preceding 12 months
−$16K
0 active prime contractors · 0 awards
View office comparison and evidence
Reported obligations decreased 100.0% from $16K to $0. The office’s share of positive obligations moved from 1.1% to 0%, a change of −1.1 percentage points.
The latest period contains 0 actions across 0 awards. The preceding period contained 1 active prime contractor and 1 award.
Reported funding office
GREAT PLAINS REGION
No positive-obligation rank
Latest 12 months
−$44K
0% of positive obligations
Versus preceding 12 months
−$480K
1 active prime contractor · 3 awards
View office comparison and evidence
Reported obligations moved from $436K in net obligations to $44K in net deobligations. The office’s share of positive obligations moved from 29.1% to 0%, a change of −29.1 percentage points.
The latest period contains 4 actions across 3 awards. The preceding period contained 1 active prime contractor and 8 awards.
Leading award-level changes
C & C ENVIRONMENTAL INC · PIID 140A0125F0054−$250K: $250K → $0

Contract types, competition, and procurement methods

From Sep 11, 2025 through Sep 10, 2026, 14 awards had positive obligations totaling $3.2M. Negotiated Proposal/Quote was the leading reported procedure, accounting for 62.0% of positive obligations. Awards with a reported parent IDV accounted for 1.7%.

Leading award type: 89.8%; Definitive Contract
Leading reported procedure: 62.0%; Negotiated Proposal/Quote
Reported parent IDV: 1.7%; of positive obligations had a reported parent IDV
Median reported offers: 5; 12 of 14 awards reported offers

Buying method changes

Compared with Sep 11, 2024–Sep 10, 2025. Based on 14 current awards and 18 preceding awards with positive net obligations.

Leading reported procedure: Negotiated Proposal/Quote; Previously Simplified Acquisition · 70.5% preceding vs 62.0% current
Parent-IDV obligation share: 1.7%; Down from 31.8% in the preceding period
Median positive award obligations: $45K; Up from $27K in the preceding period

How to read these changes

Directional color and the Up or Down labels show historical movement only. Green does not mean favorable and red does not mean unfavorable; neither predicts a future procurement method.

Same-NAICS comparison

Compared with the NAICS 562211 peer median, parent-IDV obligation share is 20.5 percentage points lower, reported full-and-open obligation share is 0.7 percentage points lower, delivery-order obligation share is 17.6 percentage points lower, and median positive award obligations are 28.9% higher.

Measure	This market	Peer median	Difference
Parent-IDV obligation share	1.7%	22.2%	-20.5 pts
Reported full-and-open obligation share	0%	0.73%	-0.7 pts
Delivery-order obligation share	1.7%	19.3%	-17.6 pts
Median positive award obligations	$45K	$35K	+28.9%

Peer cohort and comparison limits

The peer median gives each of the 4 eligible agency markets equal weight. The included agency markets are:

Department of Agriculture (USDA)
Department of Defense (DOD)
Department of Health and Human Services (HHS)
Department of Veterans Affairs (VA)

Agency mission, scale, and acquisition context can differ. Peer position does not establish market attractiveness or predict a future procurement method.

View buying-method details and data coverage

Award types

Reported value	Awards	Positive obligations	Share
Definitive Contract(D)	3	$2.9M	89.8%
Purchase Order(B)	9	$275K	8.5%
Delivery Order(C)	2	$55K	1.7%

Reported parent-award types

Reported value	Awards	Positive obligations	Share
IDC(B)	2	$55K	1.7%
Not reported	12	$3.2M	98.3%

Single- or multiple-award parent structure

Reported value	Awards	Positive obligations	Share
Single Award(S)	2	$55K	1.7%
Not reported	12	$3.2M	98.3%

Solicitation procedures

Reported value	Awards	Positive obligations	Share
Negotiated Proposal/Quote(NP)	1	$2.0M	62.0%
Simplified Acquisition(SP1)	9	$975K	30.2%
Sp1(SIMPLIFIED ACQUISITION)	4	$252K	7.8%

Extent competed

Reported value	Awards	Positive obligations	Share
Full and Open Competition After Exclusion of Sources(D)	1	$2.0M	62.0%
Not Competed Under SAP(G)	2	$758K	23.5%
F(COMPETED UNDER SAP)	4	$252K	7.8%
Competed Under SAP(F)	7	$217K	6.7%

Fair-opportunity and limited-source reporting

Reported value	Awards	Positive obligations	Share
Not reported	14	$3.2M	100.0%

Other-than-full-and-open reasons

Reported value	Awards	Positive obligations	Share
Authorized by Statute (FAR 6.302-5(A)(2)(I))(OTH)	2	$758K	23.5%
Not reported	12	$2.5M	76.5%

Contract pricing types

Reported value	Awards	Positive obligations	Share
Firm Fixed Price(J)	10	$3.0M	92.2%
J(FIRM FIXED PRICE)	4	$252K	7.8%

Product or Service Codes

Reported value	Awards	Positive obligations	Share
Housekeeping- Facilities Operations Support(S216)	1	$2.0M	62.0%
Environmental Systems Protection- Environmental Remediation(F108)	5	$927K	28.7%
Housekeeping- Waste Treatment/Storage(S222)	2	$168K	5.2%
Natural Resources/Conservation- Other Forest/Range Improvements (Non-Construction)(F018)	2	$55K	1.7%
Housekeeping- Other(S299)	1	$50K	1.6%
Other Environmental Services(F999)	1	$12K	0.38%
Other reported values	2	$15K	0.46%

Awarding subagencies

Reported value	Awards	Positive obligations	Share
National Park Service(1443)	5	$2.2M	68.5%
U.S. Geological Survey(1434)	2	$760K	23.6%
Bureau of Reclamation(1425)	1	$149K	4.6%
Bureau of Land Management(1422)	2	$54K	1.7%
U.S. Fish and Wildlife Service(1448)	3	$40K	1.2%
Bureau of Indian Affairs and Bureau of Indian Education(1450)	1	$12K	0.38%

Awarding offices

Reported value	Awards	Positive obligations	Share
Pwr Goga(86000)(140P86)	2	$2.0M	62.3%
Ofc of Acquisition Grants-Denver(140G02)	1	$748K	23.2%
Great Plains Regional Office(140R60)	1	$149K	4.6%
Washington Contracting Office(140P21)	1	$86K	2.6%
Pwr Olym Mabo(83000)(140P83)	1	$72K	2.2%
Oregon State Office(140L43)	1	$50K	1.6%
Other reported values	7	$113K	3.5%

Reported parent IDVs

Reported value	Awards	Positive obligations	Share
140P8625D0001(1443)	2	$55K	1.7%
Not reported	12	$3.2M	98.3%

Offers, award size, and timing

Median reported offers: 5 median; 12 reported · 2 not reported
Positive award obligations: $45K median; $11K–$86K middle 50%
Reported performance period: 186 days (~6 months) median; 14 reported · 0 not reported

Calculations group latest-period actions by award, retain awards with positive net obligations for share denominators, and use each award's latest reported USAspending procurement fields as of Sep 10, 2026. Blank competition, pricing, PSC, or parent-IDV values remain not reported; they are not inferred. Offer counts must be positive and below the FPDS 999 placeholder. Awarding organizations can differ from the funding agency that defines this page.

Top federal contractors

Latest 12-month market share, concentration, and complete prime contractor rankings across the period shown.

Prime contractor concentration: 2 of 13prime contractors account for at least 80% of positive obligations in the last 12 months
Largest prime contractor: 62.2%of positive obligations in the last 12 months
Leading four prime contractors: 92.8%of positive obligations in the last 12 months
Leading eight prime contractors: 98.5%of positive obligations in the last 12 months

Based on $3.2M in positive obligations during the 12 months ending Sep 10, 2026. Individual shares and movement appear in the searchable rankings below. Movement compares with Sep 11, 2024–Sep 10, 2025.

Search prime contractorsRank results by

Last 12mo obligation volume: Highest positive obligations first; net deobligations follow by magnitude; contractors with no activity in the last 12 months follow by all-period obligations. Ranks use the complete contractor list and remain fixed when search narrows the results.

15 leading contractors

#1
TGHA
Last 12mo obligations
$2.0M
62.2%
Dollar movement
+$2.0M
vs. prior 12 months
Last 12mo awards
2 awards
3 actions
Historical and award details for TGHA
Obligations: prior → latest
$0 → $2.0M
Not comparable
Share: prior → latest
0% → 62.2%
+62.2 percentage points
All-period obligations
$4.1M
27.6% of all-period positive obligations · 2 awards
Recorded activity
Since Aug 23, 2024
through Jul 6, 2026
Award reporting
Latest and prior 12-month award reporting
Reported award evidence Latest Prior
Reported set-aside 2 0
Reported no set-aside 0 0
Not reported 0 0
Reported small business 2 0
All-period set-aside types
2 · Total small business
#2
AUXILIO MANAGEMENT SERVICES
Last 12mo obligations
$748K
23.3%
Dollar movement
+$6K
vs. prior 12 months
Last 12mo awards
1 award
2 actions
Historical and award details for AUXILIO MANAGEMENT SERVICES
Obligations: prior → latest
$742K → $748K
+0.8%
Share: prior → latest
48.3% → 23.3%
−25.1 percentage points
All-period obligations
$3.7M
24.9% of all-period positive obligations · 4 awards
Recorded activity
Since Nov 1, 2021
through May 13, 2026
Award reporting
Latest and prior 12-month award reporting
Reported award evidence Latest Prior
Reported set-aside 1 1
Reported no set-aside 0 0
Not reported 0 0
Reported small business 1 1
All-period set-aside types
4 · 8(a) sole source
#3
TWIN LANDFILL CORPORATION
Last 12mo obligations
$149K
4.7%
Dollar movement
+$7K
vs. prior 12 months
Last 12mo awards
1 award
1 action
Historical and award details for TWIN LANDFILL CORPORATION
Obligations: prior → latest
$142K → $149K
+5.0%
Share: prior → latest
9.3% → 4.7%
−4.6 percentage points
All-period obligations
$683K
4.6% of all-period positive obligations · 2 awards
Recorded activity
Since May 27, 2022
through May 27, 2026
Award reporting
Latest and prior 12-month award reporting
Reported award evidence Latest Prior
Reported set-aside 1 2
Reported no set-aside 0 0
Not reported 0 0
Reported small business 1 2
All-period set-aside types
2 · Total small business
#4
BOLEN ENTERPRISES, LLC
Last 12mo obligations
$86K
2.7%
Dollar movement
+$86K
vs. prior 12 months
Last 12mo awards
1 award
1 action
Historical and award details for BOLEN ENTERPRISES, LLC
Obligations: prior → latest
$0 → $86K
Not comparable
Share: prior → latest
0% → 2.7%
+2.7 percentage points
All-period obligations
$86K
0.58% of all-period positive obligations · 1 award
Recorded activity
Since Sep 3, 2026
through Sep 3, 2026
Award reporting
Latest and prior 12-month award reporting
Reported award evidence Latest Prior
Reported set-aside 1 0
Reported no set-aside 0 0
Not reported 0 0
Reported small business 1 0
All-period set-aside types
1 · Total small business
#5
DH ENVIRONMENTAL, INC
Last 12mo obligations
$72K
2.2%
Dollar movement
+$72K
vs. prior 12 months
Last 12mo awards
1 award
1 action
Historical and award details for DH ENVIRONMENTAL, INC
Obligations: prior → latest
$0 → $72K
Not comparable
Share: prior → latest
0% → 2.2%
+2.2 percentage points
All-period obligations
$72K
0.48% of all-period positive obligations · 1 award
Recorded activity
Since Sep 2, 2026
through Sep 2, 2026
Award reporting
Latest and prior 12-month award reporting
Reported award evidence Latest Prior
Reported set-aside 1 0
Reported no set-aside 0 0
Not reported 0 0
Reported small business 1 0
All-period set-aside types
1 · Total small business
#6
ADVANCED CHEMICAL TRANSPORT LLC
Last 12mo obligations
$50K
1.6%
Dollar movement
+$10K
vs. prior 12 months
Last 12mo awards
1 award
3 actions
Historical and award details for ADVANCED CHEMICAL TRANSPORT LLC
Obligations: prior → latest
$40K → $50K
+25.0%
Share: prior → latest
2.6% → 1.6%
−1.1 percentage points
All-period obligations
$95K
0.64% of all-period positive obligations · 2 awards
Recorded activity
Since Dec 5, 2022
through Aug 18, 2026
Award reporting
Latest and prior 12-month award reporting
Reported award evidence Latest Prior
Reported set-aside 0 0
Reported no set-aside 1 1
Not reported 0 0
Reported small business 0 0
All-period set-aside types
None reported.
#7
ATLAS ENVIRONMENTAL CONSULTING, LLC
Last 12mo obligations
$42K
1.3%
Dollar movement
−$10K
vs. prior 12 months
Last 12mo awards
3 awards
4 actions
Historical and award details for ATLAS ENVIRONMENTAL CONSULTING, LLC
Obligations: prior → latest
$52K → $42K
−19.8%
Share: prior → latest
3.4% → 1.3%
−2.1 percentage points
All-period obligations
$440K
3.0% of all-period positive obligations · 26 awards
Recorded activity
Since Oct 24, 2021
through Aug 27, 2026
Award reporting
Latest and prior 12-month award reporting
Reported award evidence Latest Prior
Reported set-aside 0 0
Reported no set-aside 0 0
Not reported 3 4
Reported small business 3 4
All-period set-aside types
None reported.
#8
AGVIQ ENVIRONMENTAL SERVICES LLC
Last 12mo obligations
$19K
0.59%
Dollar movement
+$19K
vs. prior 12 months
Last 12mo awards
1 award
1 action
Historical and award details for AGVIQ ENVIRONMENTAL SERVICES LLC
Obligations: prior → latest
$0 → $19K
Not comparable
Share: prior → latest
0% → 0.59%
+0.6 percentage points
All-period obligations
$19K
0.13% of all-period positive obligations · 1 award
Recorded activity
Since Jul 9, 2026
through Jul 9, 2026
Award reporting
Latest and prior 12-month award reporting
Reported award evidence Latest Prior
Reported set-aside 0 0
Reported no set-aside 1 0
Not reported 0 0
Reported small business 0 0
All-period set-aside types
None reported.
#9
GOVCREST INC
Last 12mo obligations
$12K
0.38%
Dollar movement
+$12K
vs. prior 12 months
Last 12mo awards
1 award
2 actions
Historical and award details for GOVCREST INC
Obligations: prior → latest
$0 → $12K
Not comparable
Share: prior → latest
0% → 0.38%
+0.4 percentage points
All-period obligations
$12K
0.080% of all-period positive obligations · 1 award
Recorded activity
Since Jul 1, 2026
through Jul 30, 2026
Award reporting
Latest and prior 12-month award reporting
Reported award evidence Latest Prior
Reported set-aside 1 0
Reported no set-aside 0 0
Not reported 0 0
Reported small business 1 0
All-period set-aside types
1 · Total small business
#10
NAC PHILOTECHNICS, LTD.
Last 12mo obligations
$12K
0.37%
Dollar movement
+$12K
vs. prior 12 months
Last 12mo awards
1 award
1 action
Historical and award details for NAC PHILOTECHNICS, LTD.
Obligations: prior → latest
$0 → $12K
Not comparable
Share: prior → latest
0% → 0.37%
+0.4 percentage points
All-period obligations
$66K
0.45% of all-period positive obligations · 2 awards
Recorded activity
Since Sep 14, 2023
through Jul 7, 2026
Award reporting
Latest and prior 12-month award reporting
Reported award evidence Latest Prior
Reported set-aside 0 0
Reported no set-aside 1 0
Not reported 0 0
Reported small business 0 0
All-period set-aside types
None reported.
#11
HAKUNA SERVICES, INC.
Last 12mo obligations
$11K
0.35%
Dollar movement
+$11K
vs. prior 12 months
Last 12mo awards
1 award
2 actions
Historical and award details for HAKUNA SERVICES, INC.
Obligations: prior → latest
$0 → $11K
Not comparable
Share: prior → latest
0% → 0.35%
+0.3 percentage points
All-period obligations
$11K
0.080% of all-period positive obligations · 1 award
Recorded activity
Since Mar 9, 2026
through Apr 20, 2026
Award reporting
Latest and prior 12-month award reporting
Reported award evidence Latest Prior
Reported set-aside 1 0
Reported no set-aside 0 0
Not reported 0 0
Reported small business 1 0
All-period set-aside types
1 · Total small business
#12
UEG, INC.
Last 12mo obligations
$10K
0.30%
Dollar movement
+$10K
vs. prior 12 months
Last 12mo awards
1 award
1 action
Historical and award details for UEG, INC.
Obligations: prior → latest
$0 → $10K
Not comparable
Share: prior → latest
0% → 0.30%
+0.3 percentage points
All-period obligations
$10K
0.070% of all-period positive obligations · 1 award
Recorded activity
Since Jul 30, 2026
through Jul 30, 2026
Award reporting
Latest and prior 12-month award reporting
Reported award evidence Latest Prior
Reported set-aside 1 0
Reported no set-aside 0 0
Not reported 0 0
Reported small business 1 0
All-period set-aside types
1 · HUBZone sole source
#13
ALASKA ABATEMENT CORPORATION
Last 12mo obligations
$4K
0.11%
Dollar movement
+$4K
vs. prior 12 months
Last 12mo awards
1 award
2 actions
Historical and award details for ALASKA ABATEMENT CORPORATION
Obligations: prior → latest
$0 → $4K
Not comparable
Share: prior → latest
0% → 0.11%
+0.1 percentage points
All-period obligations
$4K
0.020% of all-period positive obligations · 1 award
Recorded activity
Since Sep 23, 2025
through Dec 15, 2025
Award reporting
Latest and prior 12-month award reporting
Reported award evidence Latest Prior
Reported set-aside 1 0
Reported no set-aside 0 0
Not reported 0 0
Reported small business 1 0
All-period set-aside types
1 · Total small business
#14
C & C ENVIRONMENTAL INC
Last 12mo obligations
−$44K
0%
Dollar movement
−$480K
vs. prior 12 months
Last 12mo awards
3 awards
4 actions
Historical and award details for C & C ENVIRONMENTAL INC
Obligations: prior → latest
$436K → −$44K
Not comparable
Share: prior → latest
28.4% → 0%
−28.4 percentage points
All-period obligations
$3.1M
21.1% of all-period positive obligations · 27 awards
Recorded activity
Since Nov 2, 2021
through Aug 10, 2026
Award reporting
Latest and prior 12-month award reporting
Reported award evidence Latest Prior
Reported set-aside 0 0
Reported no set-aside 0 0
Not reported 3 8
Reported small business 3 8
All-period set-aside types
None reported.
#15
ANYTIME SEPTIC SERVICE, LLC
Last 12mo obligations
−$34K
0%
Dollar movement
−$75K
vs. prior 12 months
Last 12mo awards
1 award
1 action
Historical and award details for ANYTIME SEPTIC SERVICE, LLC
Obligations: prior → latest
$41K → −$34K
Not comparable
Share: prior → latest
2.6% → 0%
−2.6 percentage points
All-period obligations
−$10K
0% of all-period positive obligations · 2 awards
Recorded activity
Since Apr 29, 2022
through Jan 13, 2026
Award reporting
Latest and prior 12-month award reporting
Reported award evidence Latest Prior
Reported set-aside 1 1
Reported no set-aside 0 0
Not reported 0 0
Reported small business 1 1
All-period set-aside types
2 · Total small business

Latest and prior 12-month award reporting
Reported award evidence	Latest	Prior
Reported set-aside	2	0
Reported no set-aside	0	0
Not reported	0	0
Reported small business	2	0

Latest and prior 12-month award reporting
Reported award evidence	Latest	Prior
Reported set-aside	1	1
Reported no set-aside	0	0
Not reported	0	0
Reported small business	1	1

Latest and prior 12-month award reporting
Reported award evidence	Latest	Prior
Reported set-aside	1	2
Reported no set-aside	0	0
Not reported	0	0
Reported small business	1	2

Latest and prior 12-month award reporting
Reported award evidence	Latest	Prior
Reported set-aside	1	0
Reported no set-aside	0	0
Not reported	0	0
Reported small business	1	0

Latest and prior 12-month award reporting
Reported award evidence	Latest	Prior
Reported set-aside	1	0
Reported no set-aside	0	0
Not reported	0	0
Reported small business	1	0

Latest and prior 12-month award reporting
Reported award evidence	Latest	Prior
Reported set-aside	0	0
Reported no set-aside	1	1
Not reported	0	0
Reported small business	0	0

Latest and prior 12-month award reporting
Reported award evidence	Latest	Prior
Reported set-aside	0	0
Reported no set-aside	0	0
Not reported	3	4
Reported small business	3	4

Latest and prior 12-month award reporting
Reported award evidence	Latest	Prior
Reported set-aside	0	0
Reported no set-aside	1	0
Not reported	0	0
Reported small business	0	0

Latest and prior 12-month award reporting
Reported award evidence	Latest	Prior
Reported set-aside	1	0
Reported no set-aside	0	0
Not reported	0	0
Reported small business	1	0

Latest and prior 12-month award reporting
Reported award evidence	Latest	Prior
Reported set-aside	0	0
Reported no set-aside	1	0
Not reported	0	0
Reported small business	0	0

Latest and prior 12-month award reporting
Reported award evidence	Latest	Prior
Reported set-aside	1	0
Reported no set-aside	0	0
Not reported	0	0
Reported small business	1	0

Latest and prior 12-month award reporting
Reported award evidence	Latest	Prior
Reported set-aside	1	0
Reported no set-aside	0	0
Not reported	0	0
Reported small business	1	0

Latest and prior 12-month award reporting
Reported award evidence	Latest	Prior
Reported set-aside	1	0
Reported no set-aside	0	0
Not reported	0	0
Reported small business	1	0

Latest and prior 12-month award reporting
Reported award evidence	Latest	Prior
Reported set-aside	0	0
Reported no set-aside	0	0
Not reported	3	8
Reported small business	3	8

Latest and prior 12-month award reporting
Reported award evidence	Latest	Prior
Reported set-aside	1	1
Reported no set-aside	0	0
Not reported	0	0
Reported small business	1	1

Recent federal contract award activity

Recent contract actions with unusually large obligation changes or meaningful shifts in contractor and funding-office activity.

Base awardSep 26, 2025

This action

+$2.0M

TGHA

PWR GOGA(86000)

WASTEWATER REMOVAL AND WATER DELIVERIES AT ALCATRAZ ISLAND WITHIN GOLDEN GATE NATIONAL RECREATION AREA, SAN FRANCISCO COUNTY, CALIFORNIA.

Why it stands out

One action equaled at least half of the market’s latest 12-month positive obligations.

The $2.0M action represented 62.2% of the market’s positive obligations over the latest 12 months.

Award net obligations: $2.0M
Share of 12-month positive obligations: 62.2%

Supporting data

Prime contractor: #1 · 62.2% share; Newly active in this market; no actions were reported in the preceding 12 months
Funding office: #1 · 62.8% attributed share; up 4 ranks · +60.8 percentage points · $2.0M net increase; action exceeded it by $32K

Related:Funding office gain

PIID 140P8625C0003

ModificationJan 20, 2026

This action

+$761K

AUXILIO MANAGEMENT SERVICES

OFC OF ACQUISITION GRANTS-DENVER

EXERCISE OPTION YEAR 4

Why it stands out

One action equaled about a fifth of the market’s latest 12-month positive obligations.

The $761K action represented 23.7% of the market’s positive obligations over the latest 12 months.

Award net obligations: $3.6M
Share of 12-month positive obligations: 23.7%

Supporting data

Funding office: #2 · 23.5% attributed share; $39K net decline despite this positive action

PIID 140G0222C0003 · Mod P00005

View recent award activity by date (10)

Sep 3, 2026
BOLEN ENTERPRISES, LLC Base award · PIID 140P2126P0051
Action+$86K
Award net obligations$86K
Sep 2, 2026
DH ENVIRONMENTAL, INC Base award · PIID 140P8326P0043
Action+$72K
Award net obligations$72K
Aug 20, 2026
AAECON GENERAL CONTRACTING LLC Deobligation · PIID 140P5223C0033
Action>−$1
Award net obligations$968K
Aug 18, 2026
ADVANCED CHEMICAL TRANSPORT LLC Modification · PIID 140L4325P0187
Action+$50K
Award net obligations$90K
Aug 10, 2026
C & C ENVIRONMENTAL INC Deobligation · PIID 140A0124F0051
Action−$42K
Award net obligations$69K
Jul 30, 2026
UEG, INC.Base award · PIID 140FS126P0207
Action+$10K
Award net obligations$10K
Jul 30, 2026
C & C ENVIRONMENTAL INC Deobligation · PIID 140A0125F0016
Action−$3K
Award net obligations$92K
Jul 30, 2026
GOVCREST INC Modification · PIID 140A2326P0222
Action+$799
Award net obligations$12K
Jul 9, 2026
AGVIQ ENVIRONMENTAL SERVICES LLC Base award · PIID 140FS126P0188
Action+$19K
Award net obligations$19K
Jul 7, 2026
NAC PHILOTECHNICS, LTD.Base award · PIID 140G0126P0219
Action+$12K
Award net obligations$12K

DOI hazardous waste treatment and disposal market FAQs

Answers based on reported federal contract data.

Who are the top DOI hazardous waste treatment and disposal contractors?

In the 12 months through September 10, 2026, TGHA, AUXILIO MANAGEMENT SERVICES, and TWIN LANDFILL CORPORATION were the leading DOI hazardous waste treatment and disposal prime contractors by positive obligations.

#1

TGHA

$1,999,295 in positive obligations
#2

AUXILIO MANAGEMENT SERVICES

$748,327 in positive obligations
#3

TWIN LANDFILL CORPORATION

$149,387 in positive obligations

Rankings use reported USAspending award data.

Did DOI contract obligations increase in the hazardous waste treatment and disposal market?

Yes. Measured by net prime contract obligations, reported DOI activity in the hazardous waste treatment and disposal market increased 109.6% from $1,496,121 in the preceding 12 months to $3,135,368 in the 12 months through September 10, 2026.

Latest 12 months: $3,135,368; Net prime contract obligations
Preceding 12 months: $1,496,121; Net prime contract obligations
Change: +109.6%; Between matched 12-month periods

Reported contract actions, not outlays or a forecast.

What recent DOI contract award activity was reported in the hazardous waste treatment and disposal market?

Recent DOI contract award activity reported in the hazardous waste treatment and disposal market included actions for TGHA and AUXILIO MANAGEMENT SERVICES during the 12 months through September 10, 2026.

TGHA · PIID 140P8625C0003

Base award · September 26, 2025 · Action obligation: +$1,999,295
AUXILIO MANAGEMENT SERVICES · PIID 140G0222C0003

Modification P00005 · January 20, 2026 · Action obligation: +$761,440

Action obligations are transaction-level amounts, not current award-level obligations.

Which procurement methods were reported for DOI contracts under NAICS 562211?

From September 11, 2025 through September 10, 2026, DOI reported 14 positive-obligation awards for hazardous waste treatment and disposal under NAICS 562211. The leading award type was definitive contract. The leading reported procedure was negotiated proposal/quote.

Positive-obligation awards: 14
Leading reported procedure: Negotiated Proposal/Quote; 62% of positive obligations
Leading award type: Definitive Contract; 89.8% of positive obligations
Full and open: 0%; of positive obligations
Reported parent IDV: 1.7%; of positive obligations

Percentages use positive obligations as the denominator.

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Complete market indexes:

Same NAICS at other agencies:

Nearby NAICS at this agency:

Leading-prime vehicle memberships:

Company memberships do not establish award-channel use.

Reported obligations include contract actions from October 1, 2021 through September 10, 2026. Set-aside and business-size fields reflect award records, not a contractor's current eligibility.

Review data methodology

Top DOI hazardous waste treatment and disposal contractors (NAICS 562211)

Fiscal-year activity

Market at a glance

What changed in the last 12 months?

Reported obligations through PWR GOGA(86000) increased

PWR GOGA(86000)

Leading award-level changes

OFC OF ACQUISITION GRANTS-DENVER

GREAT PLAINS REGIONAL OFFICE

WASHINGTON CONTRACTING OFFICE

PWR OLYM MABO(83000)

PWR PORE MABO (84000)

FWS PACIFIC REGIONAL OFFICE

OREGON STATE OFFICE

INDIAN EDUCATION ACQUISITION OFFICE

OFC OF ACQUSITION GRANTS-NATIONAL

PWR HONO MABO(82000)

ALBUQUERQUE AREA OFFICE

GREAT PLAINS REGION

Leading award-level changes

Buying method changes

Same-NAICS comparison

Award types

Reported parent-award types

Single- or multiple-award parent structure

Solicitation procedures

Extent competed

Fair-opportunity and limited-source reporting

Other-than-full-and-open reasons

Contract pricing types

Product or Service Codes

Awarding subagencies

Awarding offices

Reported parent IDVs

Offers, award size, and timing

Award reporting

All-period set-aside types

Award reporting

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Award reporting

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Award reporting

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Award reporting

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Award reporting

All-period set-aside types

TGHA

AUXILIO MANAGEMENT SERVICES

DOI hazardous waste treatment and disposal market FAQs

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Related market research

Complete market indexes:

Same NAICS at other agencies:

Nearby NAICS at this agency:

Leading-prime vehicle memberships: