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Federal Contractor Profile

Sia-stantec LLC

$310M obligated·372 awards·12 agencies·8 NAICS

Federal Contracts

Showing contracts 150 of 495 total. Sorted by action date, most recent first. Excludes $0 modifications.

DateAgencyPIIDNAICSDescriptionAmount
Apr 8, 2026Department of the InteriorDSC CONTRACTING SERVICES DIVISION140P2026F0098541620VICK 310725 324137 - "STABILIZE TERRACES & GRAVES," AT VICKSBURG NATIONAL MILITARY PARK, IN VICKSBURG, MS; ENGINEERING SERVICES - CONSTRUCTION PHASE SERVICES TASK ORDER$163K
Mar 24, 2026Department of the InteriorDSC CONTRACTING SERVICES DIVISION140P2025F0076541330SCBL 335006 - REHABILITATE SUMMIT ROAD$250K
Mar 20, 2026Department of the InteriorDSC CONTRACTING SERVICES DIVISION140P2026D0009541330NATIONWIDE GENERAL ARCHITECT/ENGINEERING (A/E) PROFESSIONAL SERVICES - MULTIPLE AWARD TASK ORDER CONTRACT, INDEFINITE DELIVERY INDEFINITE QUANTITY (IDIQ) WITH STANTEC$30K
Feb 4, 2026Department of the InteriorDSC CONTRACTING SERVICES DIVISION140P2026F0059541330JELA-318919-DS22-TITLE III, BARATARIA TRAILS$166K
Dec 22, 2025Department of DefenseNAVFACSYSCOM ATLANTICN4008521F6284541330P381 QUICK START PCAS$7.5M
Dec 18, 2025Department of DefenseW074 ENDIST SAVANNAHW912HN25FA026541330DESIGN SERVICES FOR BRIDGE U4 REPAIR$409K
Dec 17, 2025Department of DefenseW076 ENDIST GALVESTONW912HY26FA021541330IAW FAR CLAUSE 52.216-19 - ORDER LIMITATIONS, THE MINIMUM GUARANTEE IS $2,500.00 FOR EACH MATOC AWARDED$3K
Dec 9, 2025Department of the InteriorDSC CONTRACTING SERVICES DIVISION140P2025F0211541330PETE 310796 ENGINEERING SUPPORT SERVICES$15K
Sep 30, 2025Department of DefenseNAVFACSYSCOM MID-ATLANTICN4008525F4311541330DRY DOCK 4 RENOVATION DESIGN VALIDATION$139K
Sep 30, 2025Department of DefenseNAVFACSYSCOM MID-ATLANTICN4008523F6587541330TASK ORDER FOR PDA - P1045 SUB STORAGE, MAINTENANCE & OPERATIONS FACILITY AT NAVSUBBASE NEW LONDON, CT.$55K
Sep 30, 2025Department of DefenseW071 ENDIST PORTLANDW9127N25FA072541330MINIMUM GUARANTEE OF $5,000.00 IN ACCORDANCE WITH THE BASE CONTRACT.$5K
Sep 30, 2025Department of DefenseNAVFACSYSCOM MID-ATLANTICN4008524F583454133015%-FINAL DESIGN FOR USCG OPC HOMEPORT PIER$63K
Sep 29, 2025Department of StateINTL BOUNDARY WATER COMM US MEX191BWC25F0075541330---------- COMMENTS: A DESIGN IS REQUIRED TO REESTABLISH THE DESIGN CAPACITY OF ARROYO COLORADO OF 21,000 CFS. THE CURENT CAPACITY IS ESTIMATED TO BE ABOUT 45% OF DESIGN CAPACITY. HYDRAULIC MODELING INDICATED THAT DREDGING OF THE MAIN CHANNEL TO LOWE$2.6M
Sep 26, 2025Department of DefenseW7NE USPFO ACTIVITY MAANG 104W50S8125FA015541330AE SERVICES FOR 104 FW AVIONICS FACILITY, BUILDING 26, REQUIRES CONSTRUCTION TO REPAIR AND RENOVATE THE BUILDING IN ORDER TO ACCOMMODATE THE REQUIREMENTS ASSOCIATED WITH THE NEW F-35 MISSION.$708K
Sep 25, 2025Department of the InteriorDSC CONTRACTING SERVICES DIVISION140P2025F0335541330ARCH 343133 - RFQ/RFP FOR AE SERVICES SO$285K
Sep 23, 2025Department of the InteriorIBC ACQ SVCS DIRECTORATE (00004)140D0425P0204541370ONHR - MAUI LAND SURVEY$70K
Sep 23, 2025Department of Transportation6982AF CENTRAL FEDERAL LANDS DIVISI6982AF25F00097N541620SUMMER 2025 ENVIRONMENTAL CONSULTING SERVICES (MLSCP)$217K
Sep 19, 2025Department of DefenseW7NN USPFO ACTIVITY NHANG 157W50S8A25FA005541330CODE AND CRITERIA REVIEW FOR GROUND FUELS DESIGN.$27K
Sep 18, 2025Department of the InteriorDSC CONTRACTING SERVICES DIVISION140P2025F0211541330PETE 310796 ENGINEERING SUPPORT SERVICES$10K
Sep 18, 2025Department of DefenseW074 ENDIST SAVANNAHW912HN25FA026541330DESIGN SERVICES FOR BRIDGE U4 REPAIR$412K
Sep 15, 2025Department of the InteriorDSC CONTRACTING SERVICES DIVISION140P2024F0374541330BRCA 310427 SOUTH BOUND SHUTTLE STOP AND$28K
Sep 9, 2025Department of Transportation6982AF CENTRAL FEDERAL LANDS DIVISI6982AF25F00088N541620MATERIALS LABORATORY SPILL CLEANUP PROJECT-2025-2026 GROUNDWATER TREATMENT SYSTEM OPERATIONS AND MAINTENANCE SERVICES$210K
Sep 9, 2025Department of StateINTL BOUNDARY WATER COMM US MEX191BWC25F0072541330---------- COMMENTS: THE BRIDGE ENGINEERING STUDY IS TO ASSESS THE FEASIBILITY AND COSTS ASSOCIATED WITH ALTERNATIVES TO PLACING A CRANE ON THE ANZALDUAS DAM EXISTING BRIDGE DECK. THE DIMENSIONS AND STRUCTURAL ELEMENTS OF THE BRIDGE DECK DO NOT ALLOW$1.5M
Sep 8, 2025Department of the InteriorDSC CONTRACTING SERVICES DIVISION140P2024F0262541330MORA 326194 - REHAB PARADISE WASTEWATER$588K
Sep 4, 2025Department of the InteriorMP-REGIONAL OFFICE140R2025F0047541620TECHNICAL SUPPORT SERVICES FOR THE LONG-TERM OPERATION OF THE CENTRAL VALLEY PROJECT$5.1M
Sep 3, 2025Department of the InteriorDSC CONTRACTING SERVICES DIVISION140P2025F0252541330KNRI 257081 - TITLE III AE SERVICES$312K
Sep 3, 2025Department of DefenseW074 ENDIST SAVANNAHW912HN25FA018541330DESIGN BUILD RFP DEVELOPMENT- REPAIR BLDG 518$374K
Aug 29, 2025General Services AdministrationPBS R7 PROG SUPPORT - CAPITAL AND IDIQ47PH0825F0015541620ARCHEOLOGICAL SERVICES FOR THE BROWNSVILLE/GATEWAY LAND PORT OF ENTRY (LPOE) MODERNIZATION, BROWNSVILLE, CAMERON COUNTY, TEXAS$551K
Aug 29, 2025Department of the InteriorMP-REGIONAL OFFICE140R2025F0045541330SEISMIC LOADINGS TECHNICAL PEER REVIEW BOARD-CHAIR AND FACILITATOR$231K
Aug 21, 2025Department of DefenseNAVFACSYSCOM MID-ATLANTICN4008523F6253541330ARC FLASH STUDY AND IMPLEMENTATION$80K
Aug 18, 2025Department of the InteriorMP-REGIONAL OFFICE140R2023F0098541330LAHONTAN BASIN AREA OFFICE (LBAO) TAHOE DAM REPLACEMENT FEASIBILITY STUDY$162K
Aug 18, 2025Department of DefenseW7NN USPFO ACTIVITY NHANG 157W50S8A25FA001541330TYPE A AND B SERVICES FOR SMALL ARMS RANGE AT PEASE ANGB$761K
Aug 18, 2025Department of DefenseNAVFACSYSCOM MID-ATLANTICN4008525F0510541330WHARF 16TH ST REPAIRS TO EXISTING WHARF DUE TO LONG TERM DETERIORATION IN SUPPORT OF NISMO BERTHING REQUIREMENTS$3.3M
Aug 15, 2025Department of the InteriorDSC CONTRACTING SERVICES DIVISION140P2024F0365541330GRSM 321788 DESIGN SERVICES$41K
Aug 15, 2025Department of DefenseNAVFACSYSCOM ATLANTICN6247025F0046541330TASK ORDER TO PROVIDE AN INDEPENDENT STRUCTURAL PEER REVIEW.$205K
Aug 15, 2025Department of the InteriorMP-REGIONAL OFFICE140R2024P0043541690THIS PROCUREMENT IS FOR CALSIM 3 DEVELOPMENT SUPPORT.$500K
Aug 14, 2025Department of the InteriorDSC CONTRACTING SERVICES DIVISION140P2025F0266541330NW IDIQ - GENERAL ENGINEERING SERVICES CHOH-326202-LRF- A/E SERVICES PD SD DB RFP$133K
Aug 14, 2025Department of the InteriorPWR HONO MABO(82000)140P8225F0001541330TITLE III SERVICES FOR #250351$23K
Aug 8, 2025Department of the InteriorDSC CONTRACTING SERVICES DIVISION140P2025F0211541330PETE 310796 ENGINEERING SUPPORT SERVICES$34K
Aug 8, 2025Department of the InteriorDSC CONTRACTING SERVICES DIVISION140P2024F0431541330FIIS 313841 RECONSTRUCT WEST ENTRANCE ROAD CHECKPOINT - DESIGN SERVICES FOR PLANS, SPECIFICATIONS, AND ESTIMATE (PS&E)$121K
Jul 23, 2025Department of the InteriorPWR HONO MABO(82000)140P8225F0004541330PUHE TITLE II DESIGN - REPLACE FIBER OPTIC TELECOMMUNICATIONS LINE FROM HQ TO VC$63K
Jul 22, 2025Department of the InteriorDSC CONTRACTING SERVICES DIVISION140P2024F0088541330JELA 325250 - A/E DESIGN SERVICES FOR SCHEMATIC DESIGN (SD), DESIGN DEVELOPMENT (DD) AND CONSTRUCTION DOCUMENTS (CD)$626K
Jul 21, 2025Department of DefenseNAVFACSYSCOM MID-ATLANTICN4008522F5082541330SUBMARINE PIER 8/REPLACEMENTPRELIMINARY DESIGN OF PIER 8 REPLACEM$499K
Jul 15, 2025Department of the InteriorDSC CONTRACTING SERVICES DIVISION140P2024F0299541330MORA 326194 COMPLIANCE$79K
Jul 14, 2025Department of the InteriorDSC CONTRACTING SERVICES DIVISION140P2025F0239541330YELL 332685 MAMMOTH GARDINER SEWER REPLA$859K
Jul 11, 2025Department of DefenseNAVFACSYSCOM MARIANASN4019225F0056541330WON 1877467 FY25 COASTAL ENGINEERING STUDY OF KILO WHARF, KILO WHARF, NAVAL BASE GUAM REFER TO ATTACHMENT A.$1.6M
Jun 13, 2025Department of DefenseW07V ENDIST NEW ORLEANSW912P824F0116541330DESIGN DOCUMENT REPORT FOR MS RIVER AND TRIBUTARIES MORGANZA TO THE GULF OF MEXICO BAYOU TERREBOONE CONTROL STRUCTURE, TERREBONNE, LA$145K
Jun 12, 2025Department of the InteriorDSC CONTRACTING SERVICES DIVISION140P2025F0188541330SAGU 151698- TITLE III VISITOR CENTER PARKING$147K
Jun 11, 2025Department of the InteriorDSC CONTRACTING SERVICES DIVISION140P2025F0211541330PETE 310796 ENGINEERING SUPPORT SERVICES$193K
Jun 6, 2025Department of DefenseW07V ENDIST ROCK ISLANDW912EK22F0089541330NESP 2022 MOORING FACILITIES, MISS RIVER$7K

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