01 / Contracting Agency Profile
Great Lakes St. Lawrence Seaway Development Corporation Federal Contracts and Spending
Agency code 6947
Great Lakes St. Lawrence Seaway Development Corporation is a federal contracting agency within TRANSPORTATION, DEPARTMENT OF. This profile shows its purchasing scale, buying offices, incumbent vendors, market classifications, competition, and recent contract activity.
02 / Market Size
Great Lakes St. Lawrence Seaway Development Corporation contract market at a glance
Net obligations, purchasing activity, and supplier participation measured consistently across FY 2020–FY 2026.
Across FY 2020–FY 2026, Great Lakes St. Lawrence Seaway Development Corporation accounts for 0.2% of its parent department’s net contract obligations. It records activity through 1 contracting offices. Net obligations include positive obligations and later deobligations recorded during the same period.
03 / Spending Trend
Great Lakes St. Lawrence Seaway Development Corporation contract spending by year
Annual net obligations for FY 2020–FY 2026 show whether the agency’s recorded contract market is growing or contracting. Actions and vendors indicate whether that change reflects broader purchasing activity or a smaller number of large transactions.
Total obligations$23.72M
FY 2026ObligationsHistorical spending range
| Fiscal year | Obligations | Actions | Vendors | Change |
|---|---|---|---|---|
| FY 2026 | $23.72M | 119 | 61 | +125.5% |
| FY 2025 | $10.52M | 111 | 59 | +47.3% |
| FY 2024 | $7.14M | 189 | 86 | −51.4% |
| FY 2023 | $14.71M | 198 | 79 | −21.8% |
| FY 2022 | $18.81M | 194 | 75 | +81.7% |
| FY 2021 | $10.35M | 129 | 60 | −38.6% |
| FY 2020 | $16.86M | 168 | 53 | — |
04 / Contracting Offices
Which contracting offices buy through Great Lakes St. Lawrence Seaway Development Corporation?
Contracting Offices are ranked by recorded contract obligations. Compare their share of agency spending, purchasing activity, supplier participation, and leading NAICS and PSC markets, then open a profile to continue the analysis.
05 / Top NAICS Industries
Which industries receive the most Great Lakes St. Lawrence Seaway Development Corporation contract spending?
NAICS industries ranked by recorded obligations show where this agency’s contract demand is concentrated and how many actions and vendors participate in each market.
| NAICS | Description | Obligations | Actions | Vendors | Agency share |
|---|---|---|---|---|---|
| 236220 | COMMERCIAL AND INSTITUTIONAL BUILDING CONSTRUCTION | $21.97M | 13 | 1 | 21.5% |
| 237990 | OTHER HEAVY AND CIVIL ENGINEERING CONSTRUCTION | $19.50M | 43 | 6 | 19.1% |
| 238110 | POURED CONCRETE FOUNDATION AND STRUCTURE CONTRACTORS | $10.54M | 31 | 3 | 10.3% |
| 336611 | SHIP BUILDING AND REPAIRING | $7.78M | 45 | 4 | 7.6% |
| 541330 | ENGINEERING SERVICES | $5.85M | 137 | 11 | 5.7% |
| 237310 | HIGHWAY, STREET, AND BRIDGE CONSTRUCTION | $3.17M | 20 | 4 | 3.1% |
| 238320 | PAINTING AND WALL COVERING CONTRACTORS | $2.70M | 3 | 1 | 2.6% |
| 541611 | ADMINISTRATIVE MANAGEMENT AND GENERAL MANAGEMENT CONSULTING SERVICES | $2.67M | 32 | 4 | 2.6% |
| 237130 | POWER AND COMMUNICATION LINE AND RELATED STRUCTURES CONSTRUCTION | $2.30M | 20 | 2 | 2.3% |
| 541612 | HUMAN RESOURCES CONSULTING SERVICES (2007), HUMAN RESOURCES AND EXECUTIVE SEARCH CONSULTING SERVICES (2002) | $2.23M | 9 | 2 | 2.2% |
06 / Top Product and Service Codes
What products and services does Great Lakes St. Lawrence Seaway Development Corporation buy?
Product and Service Codes ranked by recorded obligations show the specific categories purchased by this agency.
| PSC | Description | Obligations | Actions | Vendors | Agency share |
|---|---|---|---|---|---|
| Z1KA | MAINTENANCE OF DAMS | $20.00M | 37 | 5 | 19.6% |
| Y1AA | CONSTRUCTION OF OFFICE BUILDINGS | $13.26M | 1 | 1 | 13.0% |
| Y1JA | CONSTRUCTION OF MUSEUMS AND EXHIBITION BUILDINGS | $8.72M | 12 | 1 | 8.5% |
| 1925 | SPECIAL SERVICE VESSELS | $6.03M | 31 | 2 | 5.9% |
| Z2KA | REPAIR OR ALTERATION OF DAMS | $5.38M | 32 | 3 | 5.3% |
| C219 | ARCHITECT AND ENGINEERING- GENERAL: OTHER | $3.05M | 41 | 2 | 3.0% |
| Z1PZ | MAINTENANCE OF OTHER NON-BUILDING FACILITIES | $2.94M | 16 | 4 | 2.9% |
| Z1KB | MAINTENANCE OF CANALS | $2.33M | 3 | 1 | 2.3% |
| R431 | SUPPORT- PROFESSIONAL: HUMAN RESOURCES | $2.22M | 7 | 1 | 2.2% |
| 9320 | RUBBER FABRICATED MATERIALS | $2.14M | 12 | 3 | 2.1% |
07 / Top Vendors
Which contractors receive the most Great Lakes St. Lawrence Seaway Development Corporation obligations?
Vendors are ranked by recorded obligations to show the agency’s leading incumbents, their share of spending, purchasing activity, and primary NAICS and PSC markets.
| Vendor | Obligations | Awards / actions | Share | Primary NAICS / PSC |
|---|---|---|---|---|
| CON TECH BUILDING SYSTEMS, INC. | $21.97M | 13 | 21.5% | NAICS 236220 · PSC Y1AA |
| KUBRICKY CONSTRUCTION CORP. | $13.98M | 15 | 13.7% | NAICS 237990 · PSC Z1KA |
| PATTERSON-STEVENS INC | $11.85M | 34 | 11.6% | NAICS 238110 · PSC Z1KA |
| WASHBURN & DOUGHTY ASSOCIATES, INC. | $5.84M | 20 | 5.7% | NAICS 336611 · PSC 1925 |
| AMERIFIELD LLC | $2.70M | 3 | 2.6% | NAICS 238320 · PSC Z1PZ |
| WSP USA INC. | $2.40M | 42 | 2.3% | NAICS 541330 · PSC C219 |
| LUEDTKE ENGINEERING COMPANY | $2.33M | 3 | 2.3% | NAICS 237990 · PSC Z1KB |
| COLLINS HAMMOND ELECTRICAL CONTRACTORS, INC | $2.30M | 21 | 2.3% | NAICS 237130 · PSC Z2NZ |
| PTG INTERNATIONAL INC | $2.22M | 7 | 2.2% | NAICS 541612 · PSC R431 |
| DS IMPORTS LLC | $2.02M | 9 | 2.0% | NAICS 326291 · PSC 9320 |
08 / Buying Pattern
How does Great Lakes St. Lawrence Seaway Development Corporation award contract work?
Competition, small-business participation, set-asides, transaction size, and action types provide a compact view of how the agency structures its recorded contract activity.
Competition rate 95.3%
Small-business share 7.6%
Set-aside share 92.8%
Average action value $92.1K
Largest recorded action $13.26M
09 / Recent Contract Awards
What did Great Lakes St. Lawrence Seaway Development Corporation award most recently in FY 2020–FY 2026?
The latest recorded contract actions inside this profile’s closed fiscal-year window connect award activity with the vendors, markets, agencies, and offices shown above.
10 / Interpreting the Profile
What does this contract market mean for a supplier?
This profile combines spending scale, the buying hierarchy, incumbent vendors, market classifications, and competition indicators. Read them together before deciding whether Great Lakes St. Lawrence Seaway Development Corporation represents an addressable market for your company.
Read spending in context
$102.09M in recorded obligations describes historical market scale. Compare it with 1,108 contract actions and an average action value of $92.1K to understand purchasing frequency and transaction size.
Follow the actual buyers
The agency total is distributed across 1 contracting offices. Move into those organizations to identify who manages the programs and awards relevant to your offer.
Do not confuse scale with access
A large historical total does not mean the same amount is currently open for competition. Use the 95.3% competition rate, set-aside share, recent awards, and current opportunities to estimate what may actually be addressable.
Test market fit and incumbency
Compare leading vendors with NAICS 236220 and PSC Z1KA. Supplier concentration and competition reveal whether demand aligns with your capabilities and how difficult displacement may be.