H-1B sponsorILFEIN 68-0628477Updated Jun 2026

UChicago Argonne LLC

US H-1B Labor Condition Application activity for UChicago Argonne LLC. Filed 1,275 disclosures between FY2010 and FY2026 from worksites with a IL headquarters indicator.

Total filings

Outside top-N · FY2026

Certified

61.4%

unconditional · FY2026

Withdrawn

0.0%

withdrawn rate · FY2026

Denied

0.0%

rejection rate · FY2026

Summary

UChicago Argonne LLC is a research and development organization based in Illinois that operates as an H-1B sponsor. In FY2026, the company filed 44 H-1B petitions with a 61.4% certification rate and no denied or withdrawn cases.

Since 2010, UChicago Argonne has submitted 1,275 total H-1B filings across 17 years, with peak activity in FY2025 (145 filings) and FY2024 (127 filings). The company's filing volume declined sharply from 2019 through 2022 before recovering in recent years. Overall, 25.57% of all filings have been certified, with 0.71% withdrawn and no denials on record.

The employer's H-1B workforce is concentrated in research and scientific roles: Medical Scientists (558 filings), Physicists (112), Computer Science Teachers (78), Nuclear Engineers (66), and Materials Scientists (45) represent the top occupations. This profile reflects the organization's focus on advanced research, particularly in life sciences and physics.

UChicago Argonne H-1B sponsor
UChicago Argonne LLC H-1B filings
medical scientists H-1B Illinois
research scientist visa sponsorship
physics and engineering H-1B employer

H-1B outcome breakdown

Share of UChicago Argonne LLC’s LCAs by DOL case status, all fiscal years. Use the year filter above for a single-year breakdown.

Outcome breakdown
Outcome	Share
Certified	80.5%
Cert-withdrawn	17.3%
Withdrawn	2.2%

Certified80.5%

Cert-withdrawn17.3%

Withdrawn2.2%

Top occupations sponsored

SOC codes filed most by UChicago Argonne LLC across all fiscal years. Click any row to open the national salary guide.

#	SOC	Title	Filings
1	19-1042	Medical Scientists, Except Epidemiologists	558
2	19-2012	Physicists	112
3	25-1021	Computer Science Teachers, Postsecondary	78
4	17-2161	Nuclear Engineers	66
5	19-2032	Materials Scientists	45
6	17-2141	Mechanical Engineers	45
7	15-1252	Software Developers	36
8	19-2031	Chemists	34
9	15-1221	Computer and Information Research Scientists	25
10	17-2071	Electrical Engineers	16

Medical Scientists, Except Epidemiologists

558

Physicists

112

Computer Science Teachers, Postsecondary

Nuclear Engineers

Materials Scientists

Mechanical Engineers

Software Developers

Chemists

Computer and Information Research Scientists

Electrical Engineers

H-1B filings by fiscal year

Year-over-year H-1B filing volume — a hiring-demand signal, not headcount.

Year	Filings
FY2010	91
FY2011	106
FY2012	111
FY2013	110
FY2014	74
FY2015	55
FY2016	93
FY2017	74
FY2018	59
FY2019	97
FY2020	14
FY2021	17
FY2022	8
FY2023	50
FY2024	127
FY2025	145
FY2026	44

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Side-by-side view of KPIs, outcomes, top breakdowns and yearly trend.

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Understand the data

Definitions and methodology behind these H-1B figures.

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