MACK DEFENSE LLC (PA)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2015
- $849.86M
- $849,859,110under this UEI
- FY2026 obligations
- $174.92M†
- $174,923,528Provisional
- Awards and orders
- 791
- with positive net obligations16 IDV vehicles held
- Latest action
- Sep 30, 2026
- SAM.gov registration
- Active
- Registration expiration date Aug 17, 2027
Registration
- Doing business as
- MACK DEFENSE LLC
- Entity structure
- Other
- Business start date
- Feb 8, 2011 (15 years)
- Location
- Allentown, PA
- State of incorporation
- Delaware
- Purpose of registration
- All Awards
- Website
- mackdefense.com
† FY2026 obligations (provisional; DoD awards signed after Jul 24, 2026 are not yet public).
Contract actions that the Department of Defense both funds and awards are withheld at the source for 90 days, so DoD awards signed after Jul 24, 2026 are not yet public.
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI C2D2FF6XKDG1. GovChime does not check exclusions.
Performance
Net obligations recorded under this UEI since FY2015. Top lists show the largest five by share of this vendor's net obligations; the shares do not sum to 100%.
Net obligations by fiscal year of action
- FY2026: $174,923,528 (provisional)
- FY2025: $80,337,509
- FY2024: $111,454,786
- FY2023: $185,041,119
- FY2022: $94,575,970
- FY2021: $75,863,743
- FY2020: $16,953,650
- FY2019: $40,266,096
Show all 12 yearsEarlier years (FY2015–FY2018)
- FY2018: $13,011,719
- FY2017: $8,147,901
- FY2016: $12,417,425
- FY2015: $36,865,662
Total across 12 fiscal years: $849,859,110
Top awarding agencies
- Department of Defense$703,597,367, 82.8%
- General Services Administration$141,309,407, 16.6%
- Department of Agriculture$4,334,711, 0.5%
- Department of Energy$337,132, <0.1%
- Department of the Interior$248,800, <0.1%
Top awarding sub-agencies
- Department of the Army$374,956,674, 44.1%
- Defense Logistics Agency$325,630,276, 38.3%
- Federal Acquisition Service$141,309,407, 16.6%
- Forest Service$4,334,711, 0.5%
- Department of the Navy$3,063,977, 0.4%
Top NAICS by obligations
- 336120Heavy duty truck manufacturing$514,059,681, 60.5%
- 333120Construction machinery manufacturing$325,576,716, 38.3%
- 336212Truck trailer manufacturing$4,334,711, 0.5%
- 336211Motor vehicle body manufacturing$1,799,348, 0.2%
Top product and service codes by obligations
- 2320Trucks and truck tractors, wheeled$332,131,875, 39.1%
- 3805Earth moving and excavating equipment$325,576,716, 38.3%
- 2355Combat, assault, and tactical vehicles, wheeled$182,126,135, 21.4%
- 2330Trailers$4,334,711, 0.5%
- AJ13General science & technology r&d svcs; general science & technology; experimental development$2,951,080, 0.3%
Capabilities
NAICS codes
- 336120Heavy Duty Truck Manufacturing(primary)
- 336350Motor Vehicle Transmission and Power Train Parts Manufacturing
- 336212Truck Trailer Manufacturing
- 333120Construction Machinery Manufacturing
- 336992Military Armored Vehicle, Tank, and Tank Component Manufacturing
- 423110Automobile and Other Motor Vehicle Merchant Wholesalers
SBA certifications
No certification in the SBA profile data.
Contracts
Latest awards and orders
- 47QMCA26F1NZGDelivery orderunder an indefinite delivery contract (IDC)General Services AdministrationFederal Acquisition ServiceLatest action
- 47QMCA26F1NP8Delivery orderunder an indefinite delivery contract (IDC)General Services AdministrationFederal Acquisition ServiceLatest action
- 47QMCA26F1RX8Delivery orderunder an indefinite delivery contract (IDC)General Services AdministrationFederal Acquisition ServiceLatest action
- 47QMCA26F1RX6Delivery orderunder an indefinite delivery contract (IDC)General Services AdministrationFederal Acquisition ServiceLatest action
- 47QMCA26F1RX3Delivery orderunder an indefinite delivery contract (IDC)General Services AdministrationFederal Acquisition ServiceLatest action
- 47QMCA26F1RX2Delivery orderunder an indefinite delivery contract (IDC)General Services AdministrationFederal Acquisition ServiceLatest action
- 47QMCA26F1PJZDelivery orderunder an indefinite delivery contract (IDC)General Services AdministrationFederal Acquisition ServiceLatest action
- 140A1526P0003Purchase orderDepartment of the InteriorBureau of Indian AffairsLatest action
- 47QMCA26F1ATFDelivery orderunder an indefinite delivery contract (IDC)General Services AdministrationFederal Acquisition ServiceLatest action
- 47QMCA26F1NR2Delivery orderunder an indefinite delivery contract (IDC)General Services AdministrationFederal Acquisition ServiceLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for MACK DEFENSE LLC lists a physical address and a separate mailing address, along with 4 verified points of contact. Past Performance contacts are the recommended outreach channel for due-diligence references; Government Business contacts handle procurement-facing correspondence.
Source: SAM.gov entity registration. Contacts displaying numeric or placeholder names have been filtered (defense-in-depth).
Physical Address
2402 LEHIGH PKWY S
ALLENTOWN, PA, 18103
USA
Mailing Address
2402 LEHIGH PKWY S
ALLENTOWN, PA, 18103
USA
Government Business Contact
Nicole Zelno
Sr. Manager Contracts
2402 Lehigh Parkway S
Allentown, PA, 18103
USA
Electronic Business Contact
Nicole Zelno
Sr. Manager Contracts
2402 Lehigh Parkway S
Allentown, PA, 18103
USA
Past Performance Contact
Nicole Zelno
Sr. Manager Contracts
2402 Lehigh Parkway S
Allentown, PA, 18103
USA
Government Business Alternate Contact
Regina Copek
Parts Manager
2402 Lehigh Parkway S
Allentown, PA, 18103
USA
Additional Details
As of . Source: SAM.gov Entity Registration.
MACK DEFENSE LLC has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires August 17, 2027.
Source: SAM.gov entity registration (FAR responses, registration status). Always verify active exclusions against the authoritative record on SAM.gov before contract award.
Compliance & Risk Assessment
Source: SAM.gov FAR responsesSuspension/Debarment Status
SAM.gov registration reports no active exclusion
Public Display
Entity information is publicly displayed
Disaster Relief Registry
Registered for disaster relief contracting
Bonding Information
No bonding information provided
EDI
Not declared in SAM.gov
Business Structure
Source: SAM.govRegistration Details
Source: SAM.govInitial Registration
Last Update
Registration Activation
Fiscal Year End
Country of Incorporation
Congressional District
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