Top DOE janitorial services contractors
In the 12 months ending Oct 5, 2026, the Department of Energy obligated $12.8M in net prime contract dollars under NAICS 561720, up 17.7% from $10.9M in the preceding 12 months. 30 prime contractors received positive obligations, and 5 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 561720
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 | Didlake Inc | $8.0M | $6.1M | 62.8% | — |
| 2 | The Centers for Habilitation/TCH | $775K | $1.1M | 6.1% | — |
| 3 | Corbrook, LLC | $683K | $814K | 5.3% | — |
| 4 | Alutiiq Operations Services, LLC | $668K | $749K | 5.2% | — |
| 5 | Nobis Enterprises, Inc. | $664K | $260K | 5.2% | ▲ 3 |
| 6 | Garten Services, Inc. | $501K | $378K | 3.9% | ▼ 1 |
| 7 | Melwood Horticultural Training Center, Inc. | $354K | $325K | 2.8% | — |
| 8 | Yolo Employment Services | $329K | $334K | 2.6% | ▼ 2 |
| 9 | Development Workshop, Inc. | $149K | $142K | 1.2% | ▲ 1 |
| 10 | Nascence Group LLC | $125K | $13K | 1.0% | ▲ 12 |
| 11 | SWI Industrial Solutions, Inc. | $97K | $96K | 0.8% | — |
| 12 | Quik-Solv Cleaning Service Inc. | $81K | $79K | 0.6% | — |
| 13 | Syscom, Inc | $76K | $74K | 0.6% | — |
| 14 | Byer, Marilyn | $42K | −$10K | 0.3% | New |
| 15 | Mack Janitorial & Maintenance | $38K | $39K | 0.3% | — |
What changed in the last 12 months
Contractors with the largest change in reported obligations versus the preceding 12 months.
Largest gains
- Didlake Inc$6.1M → $8.0M (+$1.9M) · now #1
- Nobis Enterprises, Inc.$260K → $664K (+$404K) · now #5
- Garten Services, Inc.$378K → $501K (+$123K) · now #6
Largest declines
- The Centers for Habilitation/TCH$1.1M → $775K (−$357K) · now #2
- Golden Rule Industries of Muskogee, Inc.$221K → $0 (−$221K) · no latest-period obligations
- Corbrook, LLC$814K → $683K (−$131K) · now #3
New to this market
4 contractors received their first obligations in this market (since FY2022) during the latest 12 months. The largest:
| Contractor | First obligation | Latest 12 mo |
|---|---|---|
| Ecology MIR Group LLC | Aug 18, 2026 | $13K |
| Washington Contractor Services LLC | Feb 17, 2026 | $12K |
| Fortazo Corp. | Mar 16, 2026 | $12K |
| Xplicit Technologies LLC | Nov 18, 2025 | $6K |
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 | $12.8M | $10.8M | Up $1.9M (17.7%) |
| Federal Energy Regulatory Commission | $10K | $9K | Up $722 (7.7%) |
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 |
|---|---|---|---|
| 89303021CMA000062 | Didlake Inc FORRESTAL JANITORIAL CONTRACT | $27.7M | Nov 11, 2026 |
| 89243124CSC000174 | Corbrook, LLC JANITORIAL SERVICES - SBA REQUIREMENT NUMBER #MK1679566485R | $2.2M | Feb 28, 2027 |
| 89503225CWA000114 | Alutiiq Operations Services, LLC JANITORIAL SERVICES FOR BRUSH, CO; LOVELAND, CO; CASPER, WY; AND CODY, WY | $1.4M | Mar 31, 2027 |
| 89503125CWA000124 | The Centers for Habilitation/TCH JANITORIAL AND GROUNDS MAINTENANCE SERVICES, BASE PLUS FOUR OPTION YEARS, WESTERN AREA POWER ADMINISTRATION DESERT SOUTHWEST REGION | $1.5M | Jul 8, 2027 |
| 89243322CFE000070 | Garten Services, Inc. JANITORIAL SERVICES FOR NETL ALBANY, OR SITE | $2.0M | Sep 30, 2027 |
| 89503322PWA000250 | Yolo Employment Services CUSTODIAL CONTRACT FOR EMF WHSE, EMF SUB, AND SHOP BUILDING. FOLSOM | $1.6M | Sep 30, 2027 |
Common questions
Who are the top DOE contractors for NAICS 561720?
In the latest 12 months, Didlake Inc ($8.0M), The Centers for Habilitation/TCH ($775K), Corbrook, LLC ($683K) received the most DOE obligations for janitorial services.
How concentrated is this market?
The eight largest primes held 93.8% of positive obligations, and Didlake Inc alone held 62.8%. 4 contractors won their first obligations in this market during the latest 12 months.
Are any large DOE NAICS 561720 contracts ending soon?
6 of the largest awards in this market reach their current end date in the next 18 months. The first is 89303021CMA000062 (Didlake Inc, $27.7M obligated), ending Nov 11, 2026. An end date is a research lead, not a confirmed recompete: options and extensions often move it.
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$34.3MFigures 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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