Agencies › Department of Defense › Department of the Army › Tiffany Chang Tiffany Chang Procurement contact · US ARMY ENGINEER DISTRICT WALLA WAL · Department of Defense
Email tiffany.chang@usace.army.mil Phone 2134522220 On SAM.gov notices 84 since Aug 2022 — 28 in the last 24 months Last listed Oct 2026 Award notices 2
What they buy NAICS Industry Notices 236220 Commercial And Institutional Building Construction 24 335999 All Other Miscellaneous Electrical Equipment And Component Manufacturing 9 333996 Fluid Power Pump And Motor Manufacturing 8 326291 Rubber Product Manufacturing For Mechanical Use 6 325311 Nitrogenous Fertilizer Manufacturing 5 513210 Software Publishers 5 334111 Electronic Computer Manufacturing 4 333998 All Other Miscellaneous General Purpose Machinery Manufacturing 4
PSC Product or service Notices Y1JZ CONSTRUCTION OF MISCELLANEOUS BUILDINGS 23 9320 RUBBER FABRICATED MATERIALS 6 5975 ELECTRICAL HARDWARE AND SUPPLIES 6 7A21 IT AND TELECOM - BUSINESS APPLICATION SOFTWARE (PERPETUAL LICENSE SOFTWARE) 5 6105 MOTORS, ELECTRICAL 5 8720 FERTILIZERS 5 7G21 IT AND TELECOM - NETWORK: DIGITAL NETWORK PRODUCTS (HARDWARE AND PERPETUAL LICENSE SOFTWARE) 4 2940 ENGINE AIR AND OIL FILTERS, STRAINERS, AND CLEANERS, NONAIRCRAFT 4
How they restrict competition Small Business — 45 No set-aside stated — 37 What they post Solicitation — 37 Presolicitation — 25 Sources Sought — 10 Special Notice — 8 Award Notice — 2 Combined Synopsis/Solicitation — 2 Who won their award notices Awardee Award notices Latest National Institute of Building Sciences Washington DC 20005 USA 2 Dec 2023 CONTI FEDERAL SERVICES, LLC 13501 INGENUITY DR STE 310 Orlando FL 32826 USA 1 Oct 2026 TECHNOLOGY INTERNATIONAL INC Lake Mary FL 32746 USA 1 Oct 2024 Aponte Power Services LLC Burbank WA 99323 USA 1 Oct 2023 Aponte Power Services LLC Ahsahka ID 83520 USA 1 Oct 2023 HIGH PURITY NORTHWEST, INC. Lynnwood WA 98036 USA 1 Sep 2023
Recent notices Material Handling Equipment (MHE) and Industrial Equipment (IE) Maintenance and Repair Services — Combined Synopsis/Solicitation, Oct 2026Material Handling Equipment (MHE) and Industrial Equipment (IE) Maintenance and Repair Services — Combined Synopsis/Solicitation, Oct 2026Hangar/Aircraft Maintenance Unit at Davis-Monthan Air Force Base, Arizona — Solicitation, Oct 2026Sources Sought for Repair South Flightline Sewer Line, Nellis AFB Nevada — Sources Sought, Jul 2026Sources Sought for Repair South Flightline Sewer Line, Nellis AFB Nevada — Sources Sought, Jul 2026Hangar/Aircraft Maintenance Unit at Davis-Monthan Air Force Base, Arizona — Solicitation, Jul 2026Hangar/Aircraft Maintenance Unit at Davis-Monthan Air Force Base, Arizona — Solicitation, Jun 2026Hangar/Aircraft Maintenance Unit at Davis-Monthan Air Force Base, Arizona — Solicitation, Jun 2026Hangar/Aircraft Maintenance Unit at Davis-Monthan Air Force Base, Arizona — Solicitation, Jun 2026SOURCES SOUGHT for Renovation of Community Living Center (CLC), Building 60 (B60), Tucson, Arizona — Sources Sought, Jun 2026Hangar/Aircraft Maintenance Unit at Davis-Monthan Air Force Base, Arizona — Solicitation, Jun 2026Site Visit Attendee List - Hangar/Aircraft Maintenance Unit at Davis-Monthan Air Force Base, Arizona — Solicitation, Jun 2026Listed alongside Track what DoD buys See Tiffany'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 .
