Prime · United States
American Ordnance
HQ United States
American Ordnance LLC is a Day & Zimmermann company that operates the government-owned Iowa Army Ammunition Plant in Middletown, Iowa, and the Milan Army Ammunition Plant in Tennessee for the U.S. Army. It performs load, assemble and pack (LAP) production of medium- and large-caliber ammunition and explosive components, including tank ammunition, artillery, mortar rounds and missile warheads, as a prime contractor or subcontractor.
- Part ofDay & Zimmermann
Federal Prime Contracts$3.15B obligated · FY2008–FY2026
- Obligated
- $3.15B
- FY2008–FY2026
- Contract actions
- 3,818
- 969 awards
- Peak year
- FY2023
- $695M
- Top buyer
- U.S. Army
- 100% of obligations
Show as table
| Fiscal year | Obligated | Actions | Awards |
|---|---|---|---|
| FY2026 (to date) | $217M | 0 | — |
| FY2025 | $233M | 0 | — |
| FY2024 | $345M | 0 | — |
| FY2023 | $695M | 0 | — |
| FY2022 | $116M | 0 | — |
| FY2021 | $114M | 0 | — |
| FY2020 | $259M | 0 | — |
| FY2019 | $282M | 0 | — |
| FY2018 | $315M | 0 | — |
| FY2017 | $169M | 0 | — |
| FY2016 | $97.1M | 0 | — |
| FY2015 | $77.7M | 0 | — |
| FY2014 | $53.4M | 0 | — |
| FY2013 | $35.9M | 0 | — |
| FY2012 | $36.2M | 0 | — |
| FY2011 | $19.7M | 0 | — |
| FY2010 | $44.2M | 0 | — |
| FY2009 | $24.6M | 0 | — |
| FY2008 | $16.9M | 0 | — |
Top buyers
- U.S. Army$3.14B 100%
- U.S. Navy$7.9M 0.3%
- U.S. Air Force$33K 0.0%
Defense programs
- 40MM Ammunition ALL Types$123K 0.0%
- 1000$44K 0.0%
- F-14D$42K 0.0%
- 1AIA$4K 0.0%
- 1FCN$1K 0.0%
- 1AHA$0 0.0%
- 1FVI−$6K -0.0%
- 1FVA−$198K -0.0%
Only actions coded to a DoD acquisition program.
What they sell (PSC)
- Ammunition, Over 125MM$1.70B 54%
- Operation of Ammunition Facilities$610M 19%
- Ammunition, 75MM Through 125MM$285M 9.1%
- Ammunition, Over 30MM Up to 75MM$237M 7.5%
- Demolition Materials$161M 5.1%
- Launchers, Rocket and Pyrotechnic$110M 3.5%
- Housekeeping- Facilities Operations Support$41.2M 1.3%
- Pyrotechnics$3.5M 0.1%
- Housekeeping- Warehousing/Storage$2.2M 0.1%
- Maint/Repair/Rebuild of Equipment- Ammunition and Explosives$1.8M 0.1%
- R&D- Defense System: Weapons (Engineering Development)$1.5M 0.0%
- R&D- Defense Other: Ammunition (Applied Research/Exploratory Development)$1.0M 0.0%
- Guided Missile Warheads and Explosive Components$794K 0.0%
- Housekeeping- Guard$686K 0.0%
- Hardware, Weapon System$579K 0.0%
Where the work is done
- Ia$3.12B 99%
- Tn$35.8M 1.1%
- Md$40K 0.0%
- Ok$38K 0.0%
- Ca$15K 0.0%
- Ks$0 0.0%
Largest awards10
- M795 Tnt - Award of FY16 Requirements.U.S. Army · USAspending ↗$270MSep 27, 2016
- Award of FY20 Requirements for the M795 Tnt 155MM Projectile.U.S. Army · USAspending ↗$229MSep 28, 2020
- Order W519TC25F0357 Is for the Contractor to Load, Assemble, and Pack A Quantity of 388,436 155MM M795 Tnt Loaded Projectiles.U.S. Army · USAspending ↗$197MSep 18, 2025
- Ukraine: Multi-year, UCA Delivery Order for M1128 Lap ProjectilesU.S. Army · USAspending ↗$193MSep 27, 2023
- Order W519TC24F0399 Is for the Contractor to Load, Assemble, and Pack A Quantity of 346,478 155MM M795 Tnt Loaded Projectiles.U.S. Army · USAspending ↗$158MSep 24, 2024
- Order W519YTC26F0141 Is for the Contractor to Load, Assemble, and Pack A Quantity of 225,862 155MM M795 Tnt Loaded Projectiles.U.S. Army · USAspending ↗$125MJun 30, 2026
- Ukraine: (FMS Funding) the Purpose of This Delivery Order Is for the Purchase of M231 and M232A2 Propelling Charges.U.S. Army · USAspending ↗$121MSep 9, 2024
- 40MM High Velocity Day Night Thermal Training CartridgesU.S. Army · USAspending ↗$102MJun 25, 2015
- Minimum Guarantee for the Contractor to Set Up A 155MM Projectile Load, Assemble, Pack Line at the Day and Zimmerman - Kansas Facility.U.S. Army · USAspending ↗$91.0MFeb 15, 2023
- This Contracts Awards A Firm Fixed Price, Base Plus Four Option Periods Contract to American Ordnance, LLC for the Production of Various 81MM/120MM Prop Charges.U.S. Army · USAspending ↗$80.2MJul 10, 2009
Signed obligations on federal prime contracts (award types A–D) from USAspending, FY2008 through Jul 8, 2026. Obligations are money the government committed, not company revenue, and include de-obligations. Subcontracts and grants are excluded. Matching is by registered UEI.
Sources2
- 1
Day & Zimmermann · Sep 21, 2026 · Supports Organization · description, Organization · ownership, Organization · parent
“American Ordnance both operates the Iowa Army Ammunition Plant in Middletown, Iowa, and the Milan Army Ammunition Plant in Tennessee, for the U.S. Army.”
- 2
American Ordnance LLC · Supports Organization · description, Organization · website
“AO is the operating contractor of the IAAAP and MLAAP, where it maintains the facility and manages multiple munitions programs as either a prime contractor or significant subcontractor.”
Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.