Department of Energy contracting by NAICS
The Department of Energy obligated $51.5B in net prime contract dollars in the 12 months ending Oct 5, 2026. The 32 NAICS markets below cover $39.2B of it.
Largest increases
NAICS markets with the largest dollar growth versus the preceding 12 months.
| NAICS market | Prior 12 mo | Latest 12 mo | Change |
|---|---|---|---|
| 325180 · Other Basic Inorganic Chemical Manufacturing | $227.3M | $2.9B | Up $2.7B (1194.1%) |
| 561210 · Facilities Support Services | $21.1B | $23.4B | Up $2.3B (10.8%) |
| 541990 · All Other Professional, Scientific, and Technical Services | $2.2B | $2.8B | Up $566.7M (25.3%) |
| 541330 · Engineering Services | $486.4M | $706.0M | Up $219.6M (45.1%) |
| 541611 · Administrative Management and General Management Consulting Services | $232.2M | $281.3M | Up $49.0M (21.1%) |
Largest declines
NAICS markets with the largest dollar decline versus the preceding 12 months.
| NAICS market | Prior 12 mo | Latest 12 mo | Change |
|---|---|---|---|
| 541715 · Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | $4.0B | $3.6B | Down $386.9M (9.6%) |
| 562910 · Remediation Services | $4.0B | $3.8B | Down $140.7M (3.6%) |
| 541511 · Custom Computer Programming Services | $126.4M | $80.2M | Down $46.1M (36.5%) |
| 511210 · Software Publishers | $33.5M | $12.2M | Down $21.3M (63.6%) |
| 541618 · Other Management Consulting Services | $23.8M | $15.1M | Down $8.6M (36.3%) |
All DOE NAICS markets
Ranked by net obligations in the latest 12 months.
561210 · Facilities Support Services
$23.4B562910 · Remediation Services
$3.8B541715 · Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
$3.6B325180 · Other Basic Inorganic Chemical Manufacturing
$2.9B541990 · All Other Professional, Scientific, and Technical Services
$2.8B541330 · Engineering Services
$706.0M541512 · Computer Systems Design Services
$540.9M541519 · Other Computer Related Services
$413.2M541611 · Administrative Management and General Management Consulting Services
$281.3M541511 · Custom Computer Programming Services
$80.2M541620 · Environmental Consulting Services
$77.2M236220 · Commercial and Institutional Building Construction
$74.6M541690 · Other Scientific and Technical Consulting Services
$72.8M561612 · Security Guards and Patrol Services
$69.9M561990 · All Other Support Services
$58.7M518210 · Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services
$57.5M513210 · Software Publishers
$40.0M541211 · Offices of Certified Public Accountants
$36.1M336211 · Motor Vehicle Body Manufacturing
$17.7M561110 · Office Administrative Services
$16.0M541618 · Other Management Consulting Services
$15.1M541820 · Public Relations Agencies
$14.0M561720 · Janitorial Services
$12.8M334111 · Electronic Computer Manufacturing
$12.3M511210 · Software Publishers
$12.2M334516 · Analytical Laboratory Instrument Manufacturing
$10.9M237130 · Power and Communication Line and Related Structures Construction
$10.5M517110 · Wired Telecommunications Carriers
$9.9M519290 · Web Search Portals and All Other Information Services
$9.4M561621 · Security Systems Services (except Locksmiths)
$9.3M221122 · Electric Power Distribution
$8.8M561499 · All Other Business Support Services
$5.5MPrime contracts (award types A–D) funded by the Department of Energy, from USAspending.gov. A market is listed when it had at least $5M in the latest 12 months, $1M in the preceding 12 months, and 10 awards with activity in each period.

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