Agencies › Department of the Interior › Departmental Offices › Otterstedt, Xanthe Otterstedt, Xanthe Procurement contact · IBC ACQ SVCS DIRECTORATE (00004) · Department of the Interior
Email xanthe_otterstedt@ibc.doi.gov Phone 7039143719 On SAM.gov notices 94 since May 2022 — 38 in the last 24 months Last listed Sep 2026 Award notices 14
What they buy NAICS Industry Notices 488190 Other Support Activities For Air Transportation 26 541330 Engineering Services 11 336411 Aircraft Manufacturing 9 238110 Poured Concrete Foundation And Structure Contractors 7 541370 Surveying And Mapping (Except Geophysical) Services 6 336413 Other Aircraft Parts And Auxiliary Equipment Manufacturing 3 238160 Roofing Contractors 3 238350 Finish Carpentry Contractors 3
PSC Product or service Notices J015 MAINT/REPAIR/REBUILD OF EQUIPMENT- AIRCRAFT AND AIRFRAME STRUCTURAL COMPONENTS 25 Z2AA REPAIR OR ALTERATION OF OFFICE BUILDINGS 13 C219 ARCHITECT AND ENGINEERING- GENERAL: OTHER 11 1550 UNMANNED AIRCRAFT 10 T009 PHOTO/MAP/PRINT/PUBLICATION- AERIAL PHOTOGRAPHIC 6 1680 MISCELLANEOUS AIRCRAFT ACCESSORIES AND COMPONENTS 3 N071 INSTALLATION OF EQUIPMENT- FURNITURE 3 S207 HOUSEKEEPING- INSECT/RODENT CONTROL 2
How they restrict competition No set-aside stated — 45 Small Business — 35 What they post Solicitation — 25 Combined Synopsis/Solicitation — 25 Presolicitation — 18 Award Notice — 14 Special Notice — 6 Justification — 3 Sources Sought — 3 Who won their award notices Awardee Award notices Latest LORTON STONE, LLC 7544 FULLERTON CT Springfield VA 22153 USA 1 Sep 2026 LYCEUM DYNAMICS LLC 1340 BISON AVE Newport Beach CA 92660 USA 1 May 2026 JACOBS GOVERNMENT SERVICES COMPANY 1100 N GLEBE RD STE 500 Arlington VA 22201 USA 1 Sep 2025 LEIDOS, INC. 1750 PRESIDENTS ST FL 10 Reston VA 20190 USA 1 Sep 2025 TETRA TECH, INC. 3475 E FOOTHILL BLVD PASADENA CA 91107 USA 1 Sep 2025 VERSAR, INC. 1025 VERMONT AVE NW STE 500 WASHINGTON DC 20005 USA 1 Sep 2025 HDR ENVIRONMENTAL, OPERATIONS AND CONSTRUCTION, INC. 369 INVERNESS PKWY STE 325 Englewood CO 80112 USA 1 Sep 2025 STANTEC GS INC. 2496 OLD IVY RD STE 300 Charlottesville VA 22903 USA 1 Sep 2025 QTC MEDICAL SERVICES INC 924 OVERLAND COURT San Dimas CA 91773 USA 1 Jan 2025 Magellan Federal, Inc. 2800 S SHIRLINGTON RD STE 350 Arlington VA 22206 USA 1 Dec 2024
Recent notices Z--OFAS Cobblestone Ramp Repair — Award Notice, Sep 202656--Acoustic Panels and Installation — Presolicitation, Sep 2026Z--Stewart Lee Udall Building Concrete Spalling — Combined Synopsis/Solicitation, Aug 2026Trash Compactor Ramp Stewart Lee Udall Building — Combined Synopsis/Solicitation, Aug 2026Ramp Access Traffic Light at Stewart Lee Udall Bui — Combined Synopsis/Solicitation, Aug 2026Cobblestone Ramp Repair — Combined Synopsis/Solicitation, Aug 2026Stewart Lee Udall Building Concrete Spalling — Combined Synopsis/Solicitation, Aug 2026AFCEC CIP Master Planning — Sources Sought, Aug 2026V--IBC Denver Move — Presolicitation, Jul 2026C--RFI for AE Biosafety Level 2 and 3 Services — Sources Sought, Jul 2026C--NCI OSFM AE Services — Presolicitation, Jul 2026Z--Stewart Lee Udall Library Partition — Presolicitation, Jun 2026Track what DOI buys See Otterstedt,'s full record, every buyer at DOI 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 .