Contract W911S621C0003
Mellor Engineering Inc · Department Of Defense · August 20, 2024
Mellor Engineering Inc was awarded a federal contract by Department Of Defense (Department Of The Army) on August 20, 2024 for $1.72 million of work in hazardous waste collection. Performance is in Dugway, UT. It was awarded under a small business set-aside. The contract has been modified 10 times since the base award It uses firm fixed-price contract pricing. The most recent modification was on November 19, 2025. If all options are exercised, the contract could reach $11.06 million.
Contract details
- PIID
- W911S621C0003
- Award type
- Definitive Contract
- Pricing
- Firm Fixed Price
- Set-aside
- Women Owned Small Business
- Competition
- Competed Under Sap
- NAICS
- 562112 · Hazardous Waste Collection
- Product / service
- Environmental Systems Protection- Environmental Remediation
- Place of performance
- Dugway, UT
- First action
- August 20, 2024
- Latest action
- November 19, 2025
Description
CENTRAL HAZARDOUS WASTE SUPPORT SERVICES
Modification timeline
-
November 19, 2025Mod P00040 · Funding Only Action$10.36M
-
November 18, 2025Mod P00039 · Funding Only Action$10.17M
-
November 17, 2025Mod P00038 · Funding Only Action$10.17M
-
October 31, 2025Mod P00037 · Funding Only Action$10.17M
-
October 29, 2025Mod P00036 · Funding Only Action$10.17M
-
October 27, 2025Mod P00035 · Other Administrative Action$10.17M
-
September 8, 2025Mod P00034 · Other Administrative Action$9.99M
-
July 15, 2025Mod P00032 · Exercise An Option$9.19M
-
July 15, 2025Mod P00033 · Other Administrative Action$9.19M
-
September 22, 2024Mod P00026 · Funding Only ActionHAZARDOUS WASTE SUPPORT SERVICES$7.53M
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Top contractors in NAICS 562112
Lifetime obligated dollars across all federal contracts in this NAICS code.
| # | Contractor | Contracts | Obligated |
|---|---|---|---|
| 1 | Earth Smart Environmental Solutions Llc | 38 | $3.99M |
| 2 | Acv Environmental Services Inc | 2 | $3.63M |
| 3 | Neie Medical Waste Services, Llc | 34 | $2.78M |
| 4 | Range Cleaners Inc | 2 | $1.52M |
| 5 | Hamilton Alliance Inc | 3 | $965.1K |
| 6 | Triumvirate Environmental, Llc | 11 | $918.4K |
| 7 | Mellor Engineering Inc | 1 | $796.6K |
| 8 | Mabbett & Associates, Inc. | 10 | $777.0K |
| 9 | Advant-Edge Solutions Of Middle Atlantic Inc | 12 | $749.1K |
| 10 | Set The Standard, Llc | 3 | $740.4K |
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Frequently asked questions
What is contract W911S621C0003?
Contract W911S621C0003 is a federal contract awarded to Mellor Engineering Inc by Department Of Defense on August 20, 2024 for $1.72 million of work classified under HAZARDOUS WASTE COLLECTION. It has been modified 10 times since the base award.
Who won contract W911S621C0003?
Mellor Engineering Inc won contract W911S621C0003 from Department Of Defense.
How much is contract W911S621C0003 worth?
Contract W911S621C0003 has obligated $1.72 million to date, with a total potential value of $11.06 million if all options are exercised.