01 / PSC Market Profile
PSC Z235 Maint-Rep-Alt/Epg - Nuclear Federal Contracts
Product and Service Code Z235
Federal contract activity classified under Maint-Rep-Alt/Epg - Nuclear across FY 2019–FY 2025. Net obligations include both new obligations and subsequent deobligations.
02 / Market Size
How large is the PSC Z235 federal market?
03 / Spending Trend
PSC Z235 contract spending by fiscal year
Annual obligations, activity, and participation across the same FY 2019–FY 2025 profile window.
Latest closed fiscal year$54.07M
FY 2025| Fiscal year | Obligations | Actions | Vendors | Customers | Change |
|---|---|---|---|---|---|
| FY 2019 | $51.97M | 23 | 1 | 1 | — |
| FY 2020 | $54.71M | 22 | 1 | 1 | +5.3% |
| FY 2021 | $54.63M | 15 | 1 | 1 | −0.1% |
| FY 2022 | $55.40M | 15 | 1 | 1 | +1.4% |
| FY 2023 | $55.70M | 11 | 1 | 1 | +0.5% |
| FY 2024 | $54.22M | 9 | 1 | 1 | −2.6% |
| FY 2025 | $54.07M | 16 | 1 | 1 | −0.3% |
04 / Top Federal Customers
Which federal agencies buy most in this industry?
Ranked by net obligations during FY 2019–FY 2025.
| Federal customer | Code | Obligations | Actions | Vendors | Market share |
|---|---|---|---|---|---|
| ENERGY, DEPARTMENT OF | 8900 | $380.70M | 111 | 1 | 100.0% |
05 / Contracting Offices
Which contracting offices buy in PSC Z235?
Ranked by net obligations during FY 2019–FY 2025.
| Office | Code | Agency | Obligations | Actions | Vendors | Market share |
|---|---|---|---|---|---|---|
| EM-OAK RIDGE | 893035 | ENERGY, DEPARTMENT OF | $380.70M | 111 | 1 | 100.0% |
06 / Top Vendors
Which contractors lead the PSC Z235 market?
| Vendor | Obligations | Actions | Customers | Market share | Latest activity |
|---|---|---|---|---|---|
| ISOTEK SYSTEMS LIMITED LIABILITY COMPANY | $380.70M | 111 | 1 | 100.0% | Sep 23, 2025 |
07 / Industry Mix
What industries are purchased under PSC Z235?
| NAICS | Description | Obligations | Actions | Vendors | Share |
|---|---|---|---|---|---|
| 561990 | ALL OTHER SUPPORT SERVICES | $380.70M | 111 | 1 | 100.0% |
08 / Buying Pattern
How does the government buy in PSC Z235?
| Common action type | Obligations | Actions |
|---|---|---|
| DEFINITIVE CONTRACT | $380.70M | 111 |
09 / Recent Contract Awards
What was awarded most recently in PSC Z235?
10 / Market Interpretation
How should contractors evaluate this market?
Start with the spending direction
Compare annual obligations with actions and vendor participation. Growth driven by only a few large actions represents a different opportunity from broad, recurring demand.
Follow the actual buyers
Move from federal customers to contracting offices. Offices reveal where acquisition responsibility and recurring purchasing activity are concentrated.
Measure accessible demand
Use competition, small-business participation, incumbent vendors, and PSC mix before treating the full $380.70M market as addressable.