Federal spend by industry (NAICS)

How much does the federal government spend under NAICS 541990 (All Other Professional, Scientific, and Technical Services), and who wins the contracts?

Name: All Other Professional, Scientific, and Technical Services (NAICS 541990) — federal contract spending
Creator: Fonteum
License: https://www.usa.gov/government-works

Federal prime-contract spending under NAICS 541990 (All Other Professional, Scientific, and Technical Services), as the public record states it — total obligated, the contractors who win the work, the agencies that buy it, and the fiscal-year trend, stated as exact dated facts with their source, never a score or label. Confirm the full picture at USASpending.gov →

The federal government has $28,834,379,359 obligated across 38 prime-award actions on file to 26 contractors under NAICS 541990 (All Other Professional, Scientific, and Technical Services), on the prime-award records Fonteum currently holds. Every figure is an exact USASpending.gov fact — no score, no label; confirm the full picture at USASpending.gov.

At a glance

$28,834,379,359

Obligated across prime awards on file

Prime-award actions on file

Distinct contractors

Distinct awarding agencies

Top contractors — largest recipients of All Other Professional, Scientific, and Technical Services awards

Contractor	Award actions	Obligated	Share of obligated $
BATTELLE ENERGY ALLIANCE, LLC	1	$25,752,009,752	89.3%
OAK RIDGE ASSOCIATED UNIVERSITIES, INCORPORATED	1	$3,061,819,994	10.6%
GLOBAL SERVICES CORP.	2	$7,340,059	0%
VOR TECHNOLOGY LLC	2	$4,017,958	0%
CFP GROUP, INC., THE	2	$3,214,543	0%
QUANTADYN CORPORATION	2	$1,140,802	0%
ECOHEALTH ALLIANCE INC	2	$1,073,591	0%
SANFORD FEDERAL, INC.	2	$1,061,172	0%
FAR GOVERNMENT, INC.	1	$668,774	0%
NOVA DATACOM LLC	1	$418,710	0%

Top 10 of 26 contractors on file, by obligated dollars. A high obligation is an exact fact, not an endorsement. Each named contractor links to its canonical federal contractor record.

Source: USASpending.gov award record. Confirm current status at SAM.gov →

Who buys All Other Professional, Scientific, and Technical Services — top awarding agencies

Awarding agency	Award actions	Obligated	Share of obligated $
Department of Energy	2	$28,813,829,746	99.9%
Department of Defense	18	$13,707,806	0%
Department of Justice	2	$3,165,243	0%
Department of Veterans Affairs	4	$1,166,139	0%
Department of Homeland Security	1	$974,298	0%

Source: USASpending.gov award record. Confirm current status at SAM.gov →

Set-aside reliance

How much of the federal spending under All Other Professional, Scientific, and Technical Services runs through a small-business or socioeconomic set-aside vehicle — an exact ratio of public dollars, not an eligibility determination.

Obligations via set-aside vehicles

Set-aside award actions

Total award actions on file

Source: USASpending.gov award record. Confirm current status at SAM.gov →

Obligations by fiscal year (the YoY trend)

Federal fiscal year	Award actions	Obligated
FY2025	1	$59,481
FY2024	2	$758,930
FY2023	4	$566,581
FY2022	1	$163,408
FY2021	2	$219,999
FY2019	2	$709,892
FY2018	2	$154,200
FY2017	1	$403,115
FY2016	4	$3,066,708,005
FY2015	3	$652,142

Federal fiscal years run October 1 – September 30. Showing the most recent 10 of 18 years with award actions on file.

Source: USASpending.gov award record. Confirm current status at SAM.gov →

Largest awards on record

Award ID (PIID)	Awarding agency	Signed	Obligated	Award type
DEAC0705ID14517	Department of Energy	2004-11-09	$25,752,009,752	DEFINITIVE CONTRACT
DESC0014664	Department of Energy	2016-03-10	$3,061,819,994	DEFINITIVE CONTRACT
H9223907C0003	Department of Defense	2007-08-31	$4,220,390	DCA
HC102816P0039	Department of Defense	2016-01-22	$3,614,843	PURCHASE ORDER
DJA09D000021	Department of Justice	2009-04-29	$3,160,753	DCA

Prime-award actions only — sub-award (subcontract) records are not ingested. Confirm the full award history at USASpending.gov →

Source: USASpending.gov award record. Confirm current status at SAM.gov →

What this NAICS code covers

NAICS 541990 is All Other Professional, Scientific, and Technical Services in the North American Industry Classification System — the standard the federal government uses to classify what it buys. The U.S. Small Business Administration sets a small-business size standard (a receipts or employee threshold) per NAICS code, used to decide who qualifies for small-business set-asides.

Reference	Source
NAICS 541990 definition	U.S. Census Bureau (NAICS 2022)
Small-business size standard for NAICS 541990	U.S. Small Business Administration

How to read this profile

This page reports exact public-record facts and assigns no score or label. An obligated-dollar figure is an exact sum over USASpending.gov prime awards on the records Fonteum currently holds; it is a bounded slice of the federal corpus, not a completeness claim, and it is not a budget or forecast. Contractors are named only as the neutral recipients of public awards. The award footprint fills in as the federal award-archive backfill runs.

Related federal-contracting evidence

Reviewed by the Fonteum Government Contracts Desk. Federal procurement records analysts. This study reports exact regulatory facts — an award's signed date and an exclusion's active window, each sourced to SAM.gov and USASpending.gov. It makes no determination of wrongdoing and assigns no score.

Sources: USASpending.gov prime awards (U.S. Government Works, public domain) for the spending figures; U.S. Census Bureau (NAICS 2022) for the industry title; U.S. Small Business Administration for the size standard. Confirm any current figure at usaspending.gov. Canonical record: https://fonteum.com/gov/naics/541990. Industry data as of 2026-07-20.