Agencies › Department of Defense › Department of the Air Force › Patrick Duff Patrick Duff Contracting Specialist · FA4484 87 CONS PK · Department of Defense
Email patrick.duff.5@us.af.mil Phone 6097544852 On SAM.gov notices 60 since Mar 2019 — 37 in the last 24 months Last listed Nov 2026 Award notices 1
What they buy NAICS Industry Notices 562111 Solid Waste Collection 18 621910 Ambulance Services 12 561621 Security Systems Services (Except Locksmiths) 7 238210 Electrical Contractors And Other Wiring Installation Contractors 7 811310 Commercial And Industrial Machinery And Equipment (Except Automotive And Electronic) Repair And Maintenance 4 532120 Truck, Utility Trailer, And Rv (Recreational Vehicle) Rental And Leasing 2 541519 Other Computer Related Services 2 711320 Promoters Of Performing Arts, Sports, And Similar Events Without Facilities 2
PSC Product or service Notices S205 HOUSEKEEPING- TRASH/GARBAGE COLLECTION 17 V225 TRANSPORTATION/TRAVEL/RELOCATION- TRAVEL/LODGING/RECRUITMENT: AMBULANCE 12 N063 INSTALLATION OF EQUIPMENT- ALARM, SIGNAL, AND SECURITY DETECTION SYSTEMS 7 J059 MAINT/REPAIR/REBUILD OF EQUIPMENT- ELECTRICAL AND ELECTRONIC EQUIPMENT COMPONENTS 5 7A20 IT AND TELECOM - APPLICATION DEVELOPMENT SOFTWARE (PERPETUAL LICENSE SOFTWARE) 3 W023 LEASE OR RENTAL OF EQUIPMENT- GROUND EFFECT VEHICLES, MOTOR VEHICLES, TRAILERS, AND CYCLES 2 4250 RECYCLING AND RECLAMATION EQUIPMENT 2 J049 MAINT/REPAIR/REBUILD OF EQUIPMENT- MAINTENANCE AND REPAIR SHOP EQUIPMENT 2
How they restrict competition Small Business — 30 No set-aside stated — 28 SDVOSB — 1 What they post Solicitation — 31 Sources Sought — 16 Combined Synopsis/Solicitation — 9 Presolicitation — 3 Award Notice — 1 Who won their award notices Awardee Award notices Latest WASTE MANAGEMENT OF NEW JERSEY INC Newark NJ 07114 USA 1 Sep 2026 J3 ENTERPRISE LLC Glendale CA 91201 USA 1 Oct 2024
Recent notices JB MDL Open House and Air Show (OHAS) Emergency Medical Services — Sources Sought, Nov 2026JB MDL Open House and Air Show (OHAS) Emergency Medical Services — Sources Sought, Nov 2026Integrated Solid Waste Management (ISWM) at JB MDL — Solicitation, Sep 2026Integrated Solid Waste Management (ISWM) at JB MDL — Solicitation, Jul 2026Integrated Solid Waste Management (ISWM) at JB MDL — Solicitation, Jul 2026Integrated Solid Waste Management (ISWM) at JB MDL — Solicitation, Jul 2026Integrated Solid Waste Management (ISWM) at JB MDL — Solicitation, Jul 2026Integrated Solid Waste Management (ISWM) at JB MDL — Solicitation, Jul 2026Integrated Solid Waste Management (ISWM) at JB MDL — Solicitation, Jul 2026Integrated Solid Waste Management (ISWM) at JB MDL — Solicitation, Jul 2026Integrated Solid Waste Management (ISWM) at JB MDL — Solicitation, Jun 2026Integrated Solid Waste Management (ISWM) at JB MDL — Solicitation, Jun 2026Listed alongside Track what DoD buys See Patrick's full record, every buyer at DoD and the contracts expiring next in FedSift's Agency Intelligence. Free plan available, no credit card.
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Source: SAM.gov contract notices that list this contact, including SAM's fiscal-year archives from FY2015. FedSift republishes public federal procurement data and is not affiliated with the U.S. Government. Is this you? Ask us to remove this page .
