Question 1

Does Sigma-Aldrich Co LLC sponsor H-1B visas?

Accepted Answer

Yes. Sigma-Aldrich Co LLC has filed 9 H-1B Labor Condition Applications (LCAs) with the Department of Labor, covering 9 total positions across 4 states. The median salary for Sigma-Aldrich Co LLC's sponsored positions is $80,000.

Question 2

What H-1B salary does Sigma-Aldrich Co LLC pay?

Accepted Answer

Sigma-Aldrich Co LLC pays a median H-1B salary of $80,000 for sponsored positions. Employers are required to pay H-1B workers at least the prevailing wage set by the DOL for the occupation and area. The wage level distribution on this page shows how Sigma-Aldrich Co LLC's positions break down across entry-level (Level I) through expert (Level IV) roles.

Question 3

Does Sigma-Aldrich Co LLC also sponsor green cards?

Accepted Answer

Based on public DOL records, Sigma-Aldrich Co LLC does not appear to have filed PERM labor certification applications for green card sponsorship.

Question 4

What do the H-1B wage levels mean?

Accepted Answer

The DOL assigns prevailing wages at four levels based on the complexity of the job and experience required. Level I (Entry) is set at the 17th percentile of wages for the occupation and area. Level II (Qualified) is at the 34th percentile. Level III (Experienced) is at the 50th percentile (median). Level IV (Expert) is at the 67th percentile. Higher wage levels indicate more senior positions and are viewed more favorably in H-1B petition adjudication.

Question 5

Is Sigma-Aldrich Co LLC an H-1B dependent employer?

Accepted Answer

No, Sigma-Aldrich Co LLC is not classified as an H-1B dependent employer. An employer is considered H-1B dependent when 15% or more of its workforce holds H-1B visas.

Year	Filings	Certified
2025	1	1
2024	1	1
2023	2	2
2021	1	1
2019	1	1
2018	2	2
2017	1	1

Job Title	Salary	Location	Filed	Status
Engineer II I-200-25107-874962	$80,000	Milwaukee, WI	Apr 17, 2025	Certified
R&D Scientist - Process Chemistry I-200-24095-857626	$80,000	Milwaukee, WI	Apr 4, 2024	Certified
Software Regulation Subject Matter Expert I-200-23272-394158	$85,000	St. Louis, MO	Sep 29, 2023	Certified
R&D Scientist - Polymers I-200-23248-319595	$73,000	Milwaukee, WI	Sep 5, 2023	Certified
R&D Formulation Scientist I-200-21104-224563	$82,500	Milwaukee, WI	Apr 14, 2021	Certified
ANALYTICAL LEAD AND SENIOR SCIENTIST, UPSTREAM R&D I-200-19038-262587	$72,030	Lenexa, KS	Feb 8, 2019	Certified
CHEMICAL PLANNING AND SCHEDULING SPECIALIST I-200-18079-131466	$52,000	URBANA, IL	Mar 20, 2018	Certified
SCIENTIST I-200-18040-846580	$76,544	LENEXA, KS	Feb 20, 2018	Certified
SENIOR SCIENTIST I-200-17073-019850	$81,932	ST. LOUIS, MO	Mar 16, 2017	CERTIFIED

Sigma-Aldrich Co LLC — H-1B Visa Sponsorship Data

Sigma-Aldrich Co LLC LCA & H1B Filings

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