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H-1B Employer Profile

Sigma-Aldrich Manufacturing H-1B salaries (2025)

Yes — Sigma-Aldrich Manufacturing sponsors H-1B workers. Across 4 certified Labor Condition Applications, the median offered base wage is $98,830. Every figure below comes straight from the employer's own filings with the U.S. Department of Labor.

Adrian Serafin, founder and editor of RateOrchardBy Adrian SerafinFounderUpdated August 25, 2025
Certified H-1B filings

Sigma-Aldrich Manufacturing filed 4 certified H-1B labor condition applications across 1 state between May 2025 and Aug 2025. The median offered base wage was $98,830.

Median offered wage
$98,830
Certified filings
4
Work locations
1 states
Distinct roles
4

Most-filed roles at Sigma-Aldrich Manufacturing

RoleFilingsMedian wage
Associate Production Scientist1$62,000
Senior Associate Scientist1$82,659
Senior Process Scientist1$115,000
Sr. Scientist1$115,000

Wage-level distribution

DOL prevailing-wage levels reflect the seniority the employer certified, from Level I (entry) to Level IV (fully competent).

LevelFilingsMedian wage
Level I — entry1$62,000
Level II — qualified2$98,830
Level IV — fully competent1$115,000

Where Sigma-Aldrich Manufacturing hires

StateFilingsMedian wage
Missouri4$98,830

Recent certified filings

Job titleLocationWageLevelDecided
Senior Process ScientistSt. Louis, Missouri$115,000IVAug 2025
Sr. ScientistSt. Louis, Missouri$115,000IIMay 2025
Senior Associate ScientistSt. Louis, Missouri$82,659IIMay 2025
Associate Production ScientistSt. Louis, Missouri$62,000IMay 2025

Source: U.S. Department of Labor OFLC certified Labor Condition Applications (H-1B, H-1B1, E-3), public disclosure data. Wages are employer-offered base pay and exclude bonuses, equity, and other compensation. Denied and withdrawn filings are excluded. Figures reflect filings decided May 2025Aug 2025.

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For general educational purposes, not career or financial advice. Wages are employer-offered base pay from certified DOL LCA records and may differ from total compensation.