Isotek Systems, LLC
Isotek Systems, LLC received $57.9M in federal prime contract obligations in the 12 months ending Oct 5, 2026, up 7.2% from $54.1M the year before, and $277.3M since FY2022. Its largest customer is the Department of Energy.
Contractor details
- Unique Entity ID (UEI)
- WJZ8KR7KSA33
- CAGE code
- 3L4M2
- Headquarters
- Oak Ridge, TN
- Business size
- Other Than Small Business
- Parent company
- Groupe SNC-Lavalin Inc (UEI KG9GQX6JC8V5)
As recorded on this UEI's most recent prime contract action in USAspending.gov. Confirm current registration and certifications in SAM.gov.
Obligations by fiscal year
Net prime contract obligations by federal fiscal year.
Markets where it ranks top 10
Agency and NAICS markets where this UEI is one of the ten largest primes in the latest 12 months.
Top agencies
Funding agencies ranked by obligations since FY2022.
| Funding agency | Latest 12 mo | Since FY2022 |
|---|---|---|
| Department of Energy | $57.9M | $277.3M |
Top NAICS codes
Industry codes agencies recorded on this contractor's awards, since FY2022.
| NAICS | Industry | Latest 12 mo | Since FY2022 |
|---|---|---|---|
| 561990 | All Other Support Services | $57.9M | $277.3M |
What it sells
Product and service codes (PSC) on this contractor's awards, since FY2022.
| PSC | Description | Since FY2022 |
|---|---|---|
| Z235 | Maint-REP-ALT/EPG - Nuclear | $277.3M |
Prime contracts (award types A–D) from USAspending.gov through Oct 5, 2026. Subcontracts are not included. Net obligations include deobligations and corrections.
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