Top DOE security systems services (except locksmiths) contractors
In the 12 months ending Oct 5, 2026, the Department of Energy obligated $9.3M in net prime contract dollars under NAICS 561621, up 9.5% from $8.5M in the preceding 12 months. 8 prime contractors received positive obligations, and 2 of them accounted for 80% of that spend.
Prime contracts funded by the Department of Energy. Latest 12 months: Oct 6, 2025 to Oct 5, 2026. Source: USAspending.gov.
Obligations by fiscal year
Net prime contract obligations by federal fiscal year (October to September).
Top DOE contractors for NAICS 561621
Ranked by positive obligations in the latest 12 months. Share is of all positive obligations in this market.
| # | Contractor | Latest 12 mo | Prior 12 mo | Share | Rank change |
|---|---|---|---|---|---|
| 1 | Olgoonik Solutions LLC | $6.8M | $8.3M | 73.4% | — |
| 2 | Golden Tech Systems Inc | $1.6M | $100K | 17.4% | — |
| 3 | Chickasaw Service Solutions, LLC | $383K | $0 | 4.1% | New |
| 4 | GC&E Systems Group, LLC | $324K | $0 | 3.5% | New |
| 5 | Heritage Services LLC | $85K | $0 | 0.9% | New |
| 6 | TRI-Signal Integration Inc. | $39K | $35K | 0.4% | ▼ 3 |
| 7 | Johnson Controls Fire Protection LP | $12K | $10K | 0.1% | ▼ 3 |
| 8 | Security Engineering, Inc. | $10K | $10K | 0.1% | ▼ 3 |
What changed in the last 12 months
Contractors with the largest change in reported obligations versus the preceding 12 months.
Largest gains
- Golden Tech Systems Inc$100K → $1.6M (+$1.5M) · now #2
- Chickasaw Service Solutions, LLC$0 → $383K (+$383K) · now #3
- GC&E Systems Group, LLC$0 → $324K (+$324K) · now #4
Largest declines
- Olgoonik Solutions LLC$8.3M → $6.8M (−$1.5M) · now #1
- Automatic Building Controls, Inc.$2K → $0 (−$2K) · no latest-period obligations
New to this market
3 contractors received their first obligations in this market (since FY2022) during the latest 12 months. The largest:
| Contractor | First obligation | Latest 12 mo |
|---|---|---|
| Chickasaw Service Solutions, LLC | Jan 22, 2026 | $383K |
| GC&E Systems Group, LLC | Mar 11, 2026 | $324K |
| Heritage Services LLC | Apr 7, 2026 | $85K |
Where the money comes from
Funding sub-agencies within the Department of Energy, latest 12 months. The funding organization can differ from the office that runs the requirement.
| Funding sub-agency | Latest 12 mo | Prior 12 mo | Change |
|---|---|---|---|
| Department of Energy | $9.3M | $8.5M | Up $804K (9.5%) |
Potential recompetes
Large awards in this market whose current period of performance ends in the next 18 months. Treat these as research leads: options, extensions, and follow-on vehicles often change the timing.
| Award | Incumbent | Obligated | Current end |
|---|---|---|---|
| 89243321CAU000003 | Olgoonik Solutions LLC TECHNICAL, TRAINING, ADMINISTRATIVE, ANALYTICAL, INSPECTION AND EQUIPMENT SUPPORT FOR OFFICE OF THE ASSOCIATE UNDER SECRETARY FOR ENVIRONMENT, HEALTH, SAFETY AND SECURITY (AU) AS… | $23.7M | Nov 2, 2026 |
| 89303025CET000023 | Golden Tech Systems Inc OPERATION & MAINTENANCE OF THE PHYSICAL ACCESS CONTROL SYSTEM/FACILITIES AND ADMINISTRATIVE SECURITY SUPPORT | $1.7M | Sep 22, 2027 |
Common questions
Who are the top DOE contractors for NAICS 561621?
In the latest 12 months, Olgoonik Solutions LLC ($6.8M), Golden Tech Systems Inc ($1.6M), Chickasaw Service Solutions, LLC ($383K) received the most DOE obligations for security systems services (except locksmiths).
How concentrated is this market?
The eight largest primes held 100.0% of positive obligations, and Olgoonik Solutions LLC alone held 73.4%. 3 contractors won their first obligations in this market during the latest 12 months.
Are any large DOE NAICS 561621 contracts ending soon?
2 of the largest awards in this market reach their current end date in the next 18 months. The first is 89243321CAU000003 (Olgoonik Solutions LLC, $23.7M obligated), ending Nov 2, 2026. An end date is a research lead, not a confirmed recompete: options and extensions often move it.
Related markets
NAICS 561621 across all agencies
DoD · NAICS 561621
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$134.4MDOT · NAICS 561621
$52.3MVA · NAICS 561621
$51.5MDOJ · NAICS 561621
$20.7MHHS · NAICS 561621
$9.3MTreasury · NAICS 561621
$8.4MInterior · NAICS 561621
$7.3MFigures are net obligations on prime contracts (award types A–D) from USAspending.gov, grouped by funding agency and the NAICS code on each award. Net obligations include deobligations and corrections, so they can differ from positive-obligation totals. See methodology.
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