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Great Lakes St Lawrence Seaway Development Corporation

Great Lakes St Lawrence Seaway Development Corporation

Great Lakes St Lawrence Seaway Development Corporation opportunities often flow through multiple subagencies and contracting offices, each with different templates and amendment behavior. Use this hub to keep that activity in one place before final submission checks on SAM.gov.

Updated Mar 06, 2026 • Page 1
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Department of Transportation

On-Site Hearing and Respirator Fit Testing

Department of TransportationGreat Lakes St Lawrence Seaway Development CorporationCombined Synopsis SolicitationNAICS • 621340PSC • Q403Set-Aside • SBASolicitation • 6923G526Q0028

A00001 The purpose of this amendment is to: 1. Incorporate the questions and answers. 2. Incorporate the revised PWS. //NOTHING FOLLOWS// This is a combined synopsis/solicitation for commercial services prepared in accordance with the Format in Subpart 12.6, as supplemented with additional…

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Posted: Mar 06, 2026Due: Mar 11, 2026• Closed
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Department of Transportation

AtoN Buoy Chains

Department of TransportationGreat Lakes St Lawrence Seaway Development CorporationCombined Synopsis SolicitationNAICS • 332111PSC • 4010Set-Aside • SBASolicitation • 6923G526Q0037

This is a combined synopsis/solicitation for commercial products prepared in accordance with the Format in Subpart 12.6, as supplemented with additional information in this notice. This announcement constitutes the only solicitation; proposals are being requested and a written solicitation will not be…

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Posted: Feb 25, 2026Due: Mar 11, 2026• Closed
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Department of Transportation

Ice Buoy Batteries

Department of TransportationGreat Lakes St Lawrence Seaway Development CorporationSpecial NoticeNAICS • 335910Solicitation • 6923G526N0030

The Great Lakes St. Lawrence Seaway Development Corporation (GLS) Contracting Office, intends to award a Firm Fixed Price, sole source purchase order, to Mathews Associates, Inc., under authority 10 USC 3204(a)(1) as implemented by FAR 6.302-1(a) -Only one responsible source and no…

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Posted: Feb 25, 2026Due: Mar 06, 2026• Closed
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Department of Transportation

Exhibition Booth Services

Department of TransportationGreat Lakes St Lawrence Seaway Development CorporationCombined Synopsis SolicitationNAICS • 561920PSC • R799Set-Aside • SBASolicitation • 6923G526Q0032

A00001 The purpose of this amendment is to: 1. Update the assigned NAICS to 561920 - Convention and Trade Show Organizers with a small business size standard of $20.0M. This acquisition remains a total small business set aside. //NOTHING FOLLOWS// This is…

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Posted: Feb 19, 2026Due: Mar 06, 2026• Closed
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Department of Transportation

Exhibition Booth Services

Department of TransportationGreat Lakes St Lawrence Seaway Development CorporationCombined Synopsis SolicitationNAICS • 541850PSC • R799Set-Aside • SBASolicitation • 6923G526Q0032

This is a combined synopsis/solicitation for commercial services prepared in accordance with the Format in Subpart 12.6, as supplemented with additional information in this notice. This announcement constitutes the only solicitation; proposals are being requested and a written solicitation will not be…

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Posted: Feb 17, 2026Due: Mar 06, 2026• Closed
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Department of Transportation

Uniform & Laundering Services

Department of TransportationGreat Lakes St Lawrence Seaway Development CorporationCombined Synopsis SolicitationNAICS • 812332PSC • S209Set-Aside • SBASolicitation • 6923G526Q0019

A00001 The purpose of this amendment is to: 1. Incorporate the questions and answers, updated PWS, and updated pricing sheet. //NOTHING FOLLOWS// This is a combined synopsis/solicitation for commercial services prepared in accordance with the Format in Subpart 12.6, as supplemented with…

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Posted: Feb 12, 2026Due: Feb 20, 2026• Closed
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Department of Transportation

Uniform & Laundering Services

Department of TransportationGreat Lakes St Lawrence Seaway Development CorporationCombined Synopsis SolicitationNAICS • 812332PSC • S209Set-Aside • SBASolicitation • 6923G526Q0019

This is a combined synopsis/solicitation for commercial services prepared in accordance with the Format in Subpart 12.6, as supplemented with additional information in this notice. This announcement constitutes the only solicitation; proposals are being requested and a written solicitation will not be…

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Posted: Feb 03, 2026Due: Feb 20, 2026• Closed
We Write These Bids →
Department of Transportation

Uniform & Laundering Services

Department of TransportationGreat Lakes St Lawrence Seaway Development CorporationCombined Synopsis SolicitationNAICS • 812332PSC • S209Set-Aside • SBASolicitation • 6923G526Q0019

This is a combined synopsis/solicitation for commercial services prepared in accordance with the Format in Subpart 12.6, as supplemented with additional information in this notice. This announcement constitutes the only solicitation; proposals are being requested and a written solicitation will not be…

View details →
Posted: Feb 03, 2026Due: Feb 20, 2026• Closed
We Write These Bids →
Great Lakes St Lawrence Seaway Development Corporation contracting guide

No near-term close dates are currently visible on this page. Frequent issuing offices include 6923G5 GREAT LAKES ST LAWRENCE SWY DEV CORP.

  • Common set-aside patterns here: SBA. Align your pursuit list with your certifications.
  • Recurring NAICS in this snapshot: 812332, 561920, 621340, and 332111. Keep reusable technical narratives mapped to these codes.
  • Review place-of-performance and security/location requirements early to avoid late-stage disqualification.

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