01 / Contracting Office Profile
Em-Oak Ridge Federal Contracts and Spending
Office code 893035
Em-Oak Ridge is a federal contracting office within ENERGY, DEPARTMENT OF. This profile shows the office’s purchasing scale, incumbent vendors, market classifications, competition, and recent contract activity.
02 / Market Size
Em-Oak Ridge contract market at a glance
Net obligations, purchasing activity, and supplier participation measured consistently across FY 2019–FY 2025.
Across FY 2019–FY 2025, Em-Oak Ridge accounts for 1.6% of its parent agency’s net contract obligations. Net obligations include positive obligations and later deobligations recorded during the same period.
03 / Spending Trend
Em-Oak Ridge contract spending by year
Annual net obligations for FY 2019–FY 2025 show whether the office’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$700.19M
FY 2025ObligationsHistorical spending range
| Fiscal year | Obligations | Actions | Vendors | Change |
|---|---|---|---|---|
| FY 2025 | $700.19M | 105 | 15 | +8.4% |
| FY 2024 | $646.12M | 88 | 17 | −25.0% |
| FY 2023 | $861.27M | 93 | 16 | +198.2% |
| FY 2022 | $288.79M | 143 | 24 | −52.6% |
| FY 2021 | $609.72M | 153 | 21 | −18.4% |
| FY 2020 | $747.00M | 145 | 21 | +26.6% |
| FY 2019 | $590.15M | 133 | 21 | — |
04 / Buying Hierarchy
Where does Em-Oak Ridge sit in the federal buying structure?
The office executes procurement within a contracting agency, which belongs to a federal department. Follow either profile to compare this office with the broader organizations directing and funding its activity.
| Organization level | Organization | Code | Explore |
|---|---|---|---|
| Contracting agency | ENERGY, DEPARTMENT OF | 8900 | View agency profile |
| Federal department | ENERGY, DEPARTMENT OF | 8900 | View department profile |
05 / Top NAICS Industries
Which industries receive the most Em-Oak Ridge contract spending?
NAICS industries ranked by recorded obligations show where this office’s contract demand is concentrated and how many actions and vendors participate in each market.
| NAICS | Description | Obligations | Actions | Vendors | Office share |
|---|---|---|---|---|---|
| 562910 | REMEDIATION SERVICES | $3.54B | 315 | 10 | 79.6% |
| 561990 | ALL OTHER SUPPORT SERVICES | $380.70M | 111 | 1 | 8.6% |
| 541715 | RESEARCH AND DEVELOPMENT IN THE PHYSICAL, ENGINEERING, AND LIFE SCIENCES (EXCEPT NANOTECHNOLOGY AND BIOTECHNOLOGY) | $172.97M | 30 | 1 | 3.9% |
| 562211 | HAZARDOUS WASTE TREATMENT AND DISPOSAL | $144.67M | 66 | 2 | 3.3% |
| 237110 | WATER AND SEWER LINE AND RELATED STRUCTURES CONSTRUCTION | $123.89M | 53 | 1 | 2.8% |
| 541611 | ADMINISTRATIVE MANAGEMENT AND GENERAL MANAGEMENT CONSULTING SERVICES | $47.84M | 96 | 4 | 1.1% |
| 541330 | ENGINEERING SERVICES | $19.58M | 51 | 2 | 0.4% |
| 561110 | OFFICE ADMINISTRATIVE SERVICES | $8.09M | 46 | 2 | 0.2% |
| 237310 | HIGHWAY, STREET, AND BRIDGE CONSTRUCTION | $4.72M | 8 | 1 | 0.1% |
| 237990 | OTHER HEAVY AND CIVIL ENGINEERING CONSTRUCTION | $2.04M | 4 | 1 | 0.0% |
06 / Top Product and Service Codes
What products and services does Em-Oak Ridge buy?
Product and Service Codes ranked by recorded obligations show the specific categories purchased by this office.
| PSC | Description | Obligations | Actions | Vendors | Office share |
|---|---|---|---|---|---|
| F999 | OTHER ENVIRONMENTAL SERVICES | $3.53B | 239 | 3 | 79.4% |
| Z235 | MAINT-REP-ALT/EPG - NUCLEAR | $380.70M | 111 | 1 | 8.6% |
| AZ15 | R&D- OTHER RESEARCH AND DEVELOPMENT (OPERATIONAL SYSTEMS DEVELOPMENT) | $172.97M | 30 | 1 | 3.9% |
| M1PD | OPERATION OF WASTE TREATMENT AND STORAGE FACILITIES | $145.51M | 65 | 1 | 3.3% |
| Y1NC | CONSTRUCTION OF POLLUTION ABATEMENT AND CONTROL FACILITIES | $123.89M | 53 | 1 | 2.8% |
| R425 | SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL | $36.18M | 55 | 1 | 0.8% |
| C1PD | ARCHITECT AND ENGINEERING- CONSTRUCTION: WASTE TREATMENT AND STORAGE FACILITIES | $19.55M | 49 | 1 | 0.4% |
| F108 | ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | $8.46M | 66 | 8 | 0.2% |
| R699 | SUPPORT- ADMINISTRATIVE: OTHER | $8.09M | 46 | 2 | 0.2% |
| R499 | SUPPORT- PROFESSIONAL: OTHER | $7.97M | 23 | 3 | 0.2% |
07 / Top Vendors
Which contractors receive the most Em-Oak Ridge obligations?
Vendors are ranked by recorded obligations to show the office’s leading incumbents, their share of spending, purchasing activity, and primary NAICS and PSC markets.
| Vendor | Obligations | Awards / actions | Share | Primary NAICS / PSC |
|---|---|---|---|---|
| UNITED CLEANUP OAK RIDGE LLC | $1.98B | 94 | 44.5% | NAICS 562910 · PSC F999 |
| URS | $1.52B | 103 | 34.1% | NAICS 562910 · PSC F999 |
| ISOTEK SYSTEMS LIMITED LIABILITY COMPANY | $380.70M | 111 | 8.6% | NAICS 561990 · PSC Z235 |
| AMERICAN CENTRIFUGE OPERATING, LLC | $172.97M | 30 | 3.9% | NAICS 541715 · PSC AZ15 |
| NORTH WIND SOLUTIONS, LLC | $145.51M | 65 | 3.3% | NAICS 562211 · PSC M1PD |
| APTIM-NORTH WIND CONSTRUCTION JV, LLC | $123.89M | 53 | 2.8% | NAICS 237110 · PSC Y1NC |
| LINK TECHNOLOGIES INC | $43.49M | 59 | 1.0% | NAICS 541611 · PSC F999 |
| PROFESSIONAL PROJECT SERVICES, INC. | $36.18M | 55 | 0.8% | NAICS 562910 · PSC R425 |
| CH2M HILL CONSTRUCTORS, INC. | $19.55M | 49 | 0.4% | NAICS 541330 · PSC C1PD |
| CTI AND ASSOCIATES, INC. | $7.69M | 26 | 0.2% | NAICS 562910 · PSC F108 |
08 / Buying Pattern
How does Em-Oak Ridge award contract work?
Competition, small-business participation, set-asides, transaction size, and action types provide a compact view of how the office structures its recorded contract activity.
Competition rate 99.6%
Small-business share 1.1%
Set-aside share 45.9%
Average action value $5.17M
Largest recorded action $439.11M
09 / Recent Contract Awards
What did Em-Oak Ridge 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.
| Award / PIID | Vendor | Signed date | Obligation | NAICS | PSC | Contracting agency / office |
|---|---|---|---|---|---|---|
| 89303523FEM400032 | UNITED CLEANUP OAK RIDGE LLC | Sep 30, 2025 | $0 | 562910 | F999 | ENERGY, DEPARTMENT OF EM-OAK RIDGE |
| 89303523FEM400032 | UNITED CLEANUP OAK RIDGE LLC | Sep 30, 2025 | $0 | 562910 | F999 | ENERGY, DEPARTMENT OF EM-OAK RIDGE |
| 89303523FEM400032 | UNITED CLEANUP OAK RIDGE LLC | Sep 26, 2025 | $39.38M | 562910 | F999 | ENERGY, DEPARTMENT OF EM-OAK RIDGE |
| 89303523FEM400032 | UNITED CLEANUP OAK RIDGE LLC | Sep 25, 2025 | $0 | 562910 | F999 | ENERGY, DEPARTMENT OF EM-OAK RIDGE |
| 89303524CEM000016 | MANAGEMENT SOLUTIONS LLC | Sep 25, 2025 | $431.6K | 561110 | R699 | ENERGY, DEPARTMENT OF EM-OAK RIDGE |
| 89303525PEM000021 | TENNESSEE VALLEY TITLE INSURANCE CO. | Sep 23, 2025 | $10.2K | 541191 | R408 | ENERGY, DEPARTMENT OF EM-OAK RIDGE |
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 Em-Oak Ridge represents an addressable market for your company.
Read spending in context
$4.44B in recorded obligations describes historical market scale. Compare it with 860 contract actions and an average action value of $5.17M to understand purchasing frequency and transaction size.
Follow the actual buyers
This office sits within ENERGY, DEPARTMENT OF and ENERGY, DEPARTMENT OF. Use that hierarchy to understand who directs its mission and how its purchasing compares with the broader organization.
Do not confuse scale with access
A large historical total does not mean the same amount is currently open for competition. Use the 99.6% 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 562910 and PSC F999. Supplier concentration and competition reveal whether demand aligns with your capabilities and how difficult displacement may be.