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 2019–FY 2025.
Across FY 2019–FY 2025, 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 2019–FY 2025 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$10.52M
FY 2025ObligationsHistorical spending range
| Fiscal year | Obligations | Actions | Vendors | Change |
|---|---|---|---|---|
| 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 | +135.1% |
| FY 2019 | $7.17M | 174 | 69 | — |
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 |
|---|---|---|---|---|---|
| 237990 | OTHER HEAVY AND CIVIL ENGINEERING CONSTRUCTION | $21.07M | 61 | 9 | 24.6% |
| 238110 | POURED CONCRETE FOUNDATION AND STRUCTURE CONTRACTORS | $11.50M | 32 | 3 | 13.4% |
| 236220 | COMMERCIAL AND INSTITUTIONAL BUILDING CONSTRUCTION | $8.72M | 17 | 2 | 10.2% |
| 336611 | SHIP BUILDING AND REPAIRING | $7.94M | 54 | 5 | 9.3% |
| 541330 | ENGINEERING SERVICES | $5.83M | 150 | 12 | 6.8% |
| 238990 | ALL OTHER SPECIALTY TRADE CONTRACTORS | $2.62M | 19 | 4 | 3.1% |
| 237130 | POWER AND COMMUNICATION LINE AND RELATED STRUCTURES CONSTRUCTION | $2.30M | 20 | 2 | 2.7% |
| 332999 | ALL OTHER MISCELLANEOUS FABRICATED METAL PRODUCT MANUFACTURING | $1.82M | 4 | 1 | 2.1% |
| 237310 | HIGHWAY, STREET, AND BRIDGE CONSTRUCTION | $1.74M | 19 | 3 | 2.0% |
| 326291 | RUBBER PRODUCT MANUFACTURING FOR MECHANICAL USE | $1.44M | 16 | 6 | 1.7% |
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 | $20.45M | 30 | 5 | 23.9% |
| Y1JA | CONSTRUCTION OF MUSEUMS AND EXHIBITION BUILDINGS | $8.72M | 12 | 1 | 10.2% |
| 1925 | SPECIAL SERVICE VESSELS | $6.28M | 39 | 2 | 7.3% |
| Z2KA | REPAIR OR ALTERATION OF DAMS | $5.93M | 34 | 3 | 6.9% |
| C219 | ARCHITECT AND ENGINEERING- GENERAL: OTHER | $2.61M | 43 | 3 | 3.0% |
| Z2LC | REPAIR OR ALTERATION OF TUNNELS AND SUBSURFACE STRUCTURES | $2.53M | 18 | 4 | 3.0% |
| Z1KB | MAINTENANCE OF CANALS | $2.33M | 5 | 2 | 2.7% |
| 2050 | BUOYS | $2.00M | 6 | 2 | 2.3% |
| J019 | MAINT/REPAIR/REBUILD OF EQUIPMENT- SHIPS, SMALL CRAFT, PONTOONS, AND FLOATING DOCKS | $1.73M | 10 | 1 | 2.0% |
| C216 | ARCHITECT AND ENGINEERING- GENERAL: MARINE ENGINEERING | $1.59M | 38 | 3 | 1.9% |
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 |
|---|---|---|---|---|
| KUBRICKY CONSTRUCTION CORP. | $13.98M | 15 | 16.3% | NAICS 237990 · PSC Z1KA |
| PATTERSON-STEVENS INC | $12.69M | 32 | 14.8% | NAICS 238110 · PSC Z1KA |
| CON TECH BUILDING SYSTEMS, INC. | $8.72M | 12 | 10.2% | NAICS 236220 · PSC Y1JA |
| WASHBURN & DOUGHTY ASSOCIATES, INC. | $5.84M | 20 | 6.8% | NAICS 336611 · PSC 1925 |
| DOW ELECTRIC, INC. | $2.47M | 49 | 2.9% | NAICS 237990 · PSC Z2KB |
| HOHL INDUSTRIAL SERVICES, INC. | $2.43M | 8 | 2.8% | NAICS 237990 · PSC Z2LC |
| LUEDTKE ENGINEERING COMPANY | $2.33M | 3 | 2.7% | NAICS 237990 · PSC Z1KB |
| COLLINS HAMMOND ELECTRICAL CONTRACTORS, INC | $2.30M | 21 | 2.7% | NAICS 237130 · PSC Z2NZ |
| WSP USA INC. | $2.24M | 45 | 2.6% | NAICS 541330 · PSC C219 |
| UMS METAL FABRICATORS INC | $1.82M | 4 | 2.1% | NAICS 332999 · PSC 2050 |
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 96.2%
Small-business share 5.1%
Set-aside share 93.0%
Average action value $73.6K
Largest recorded action $8.42M
09 / Recent Contract Awards
What did Great Lakes St. Lawrence Seaway Development Corporation award most recently in FY 2019–FY 2025?
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
$85.55M in recorded obligations describes historical market scale. Compare it with 1,163 contract actions and an average action value of $73.6K 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 96.2% 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 237990 and PSC Z1KA. Supplier concentration and competition reveal whether demand aligns with your capabilities and how difficult displacement may be.