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Sigma-Aldrich Co LLC

Exact employer profile · All loaded years

Matching filings26

Median yearly base wage$80,000n=24 eligible

Middle 50% of yearly wages$71,562 – $82,750

Most reported worksiteSt. Louis, MO9 matching filings

Explore this companyMost reported roleSenior R&D Scientist Top worksiteSt. Louis Individual recordsInspect dates & base salaries

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Salary records

26 matching H-1B filings

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Reported base wages in USD · pay period shown beside each amount · select a salary for case details

Employer	Job title	Base salary	Location	Submit date	Start date
Sigma-Aldrich Co LLC	Software & Digital Regulatory Expert	Filing details $117,728 /yr I-200-26139-926046 Reported wage: $117,728–$127,728 / year Annualized: $117,728 Status: Certified Fiscal year: 2026 Decision: 2026-05-27 Employment end: 2029-09-30 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	St. Louis, MO	05/19/2026	10/01/2026
Sigma-Aldrich Co LLC	Regulatory Expert - Medical Devices	Filing details $80,000 /yr I-200-26120-853369 Reported wage: $80,000–$100,000 / year Annualized: $80,000 Status: Certified Fiscal year: 2026 Decision: 2026-05-07 Employment end: 2029-09-30 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	St. Louis, MO	04/30/2026	10/01/2026
Sigma-Aldrich Co LLC	Software & Digital Regulatory Expert	Filing details $117,728 /yr I-200-26114-830490 Reported wage: $117,728–$127,728 / year Annualized: $117,728 Status: Certified Fiscal year: 2026 Decision: 2026-05-01 Employment end: 2029-09-30 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	St. Louis, MO	04/24/2026	10/01/2026
Sigma-Aldrich Co LLC	Scientist Ii	Filing details $93,000 /yr I-200-26083-725071 Reported wage: $93,000–$103,000 / year Annualized: $93,000 Status: Certified Fiscal year: 2026 Decision: 2026-03-31 Employment end: 2029-04-05 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	Milwaukee, WI	03/24/2026	04/06/2026
Sigma-Aldrich Co LLC	Sr. Scientist I	Filing details $93,000 /yr I-200-26062-676242 Reported wage: $93,000–$103,000 / year Annualized: $93,000 Status: Certified Fiscal year: 2026 Decision: 2026-03-10 Employment end: 2029-03-15 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	Milwaukee, WI	03/03/2026	03/16/2026
Sigma-Aldrich Co LLC	Engineer Ii	Filing details $80,000 /yr I-200-25107-874962 Reported wage: $80,000–$100,000 / year Annualized: $80,000 Status: Certified Fiscal year: 2025 Decision: 2025-04-24 Employment end: 2028-09-30 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	Milwaukee, WI	04/17/2025	10/01/2025
Sigma-Aldrich Co LLC	R&D Scientist - Process Chemistry	Filing details $80,000 /yr I-200-24095-857626 Reported wage: $80,000–$100,000 / year Annualized: $80,000 Status: Certified Fiscal year: 2024 Decision: 2024-04-11 Employment end: 2027-09-30 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	Milwaukee, WI	04/04/2024	10/01/2024
Sigma-Aldrich Co LLC	Software Regulation Subject Matter Expert	Filing details $85,000 /yr I-200-23272-394158 Reported wage: $85,000–$135,000 / year Annualized: $85,000 Status: Certified Fiscal year: 2024 Decision: 2023-10-06 Employment end: 2026-09-30 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	St. Louis, MO	09/29/2023	10/01/2023
Sigma-Aldrich Co LLC	R&D Scientist - Polymers	Filing details $73,000 /yr I-200-23248-319595 Reported wage: $73,000–$93,000 / year Annualized: $73,000 Status: Certified Fiscal year: 2023 Decision: 2023-09-12 Employment end: 2026-09-30 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	Milwaukee, WI	09/05/2023	10/01/2023
Sigma-Aldrich Co, LLC	R&D Scientist I – Catalysis	Filing details $75,000 /yr I-200-23095-905687 Reported wage: $75,000–$95,000 / year Annualized: $75,000 Status: Certified Fiscal year: 2023 Decision: 2023-04-12 Employment end: 2026-09-30 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	Milwaukee, WI	04/05/2023	10/01/2023
Sigma-Aldrich Co LLC	Data Scientist	Filing details $65,000 /yr I-200-22119-120903 Reported wage: $65,000–$85,000 / year Annualized: $65,000 Status: Certified Fiscal year: 2022 Decision: 2022-05-06 Employment end: 2025-09-30 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	Sheboygan Falls, WI	04/29/2022	10/01/2022
Sigma-Aldrich Co LLC	Data Scientist	Filing details $65,000 /yr I-200-22110-090133 Reported wage: $65,000–$85,000 / year Annualized: $65,000 Status: Certified Fiscal year: 2022 Decision: 2022-04-27 Employment end: 2025-09-30 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	Sheboygan Falls, WI	04/20/2022	10/01/2022
Sigma-Aldrich Co. LLC	Senior Analytical Research Scientist	Filing details $80,000 /yr I-200-21119-269716 Reported wage: $80,000–$110,000 / year Annualized: $80,000 Status: Certified Fiscal year: 2021 Decision: 2021-05-06 Employment end: 2024-08-04 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	St. Louis, MO	04/29/2021	08/05/2021
Sigma-Aldrich Co LLC	R&D Formulation Scientist	Filing details $82,500 /yr I-200-21104-224563 Reported wage: $82,500–$102,500 / year Annualized: $82,500 Status: Certified Fiscal year: 2021 Decision: 2021-04-21 Employment end: 2024-09-30 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	Milwaukee, WI	04/14/2021	10/01/2021
Sigma Aldrich Co LLC	Chemical Planning And Scheduling Specialist	Filing details $62,000 /yr I-200-21085-177371 Reported wage: $62,000–$92,000 / year Annualized: $62,000 Status: Certified Fiscal year: 2021 Decision: 2021-04-02 Employment end: 2024-09-18 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	Urbana, IL	03/26/2021	09/19/2021
Sigma-Aldrich Co, LLC	R&D Formulation Scientist	Filing details $83,500 /yr I-200-19234-379922 Reported wage: $83,500 / year Annualized: $83,500 Status: Certified Fiscal year: 2019 Decision: 2019-09-04 Employment end: 2022-10-06 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	Milwaukee, WISCONSIN	08/28/2019	10/07/2019
Sigma-Aldrich Co, LLC	Senior R&D Scientist	Filing details $80,028 /yr I-200-19046-507301 Reported wage: $80,028–$80,028 / year Annualized: $80,028 Status: Certified Fiscal year: 2019 Decision: 2019-02-27 Employment end: 2022-08-14 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	St. Louis, MISSOURI	02/21/2019	08/15/2019
Sigma-Aldrich Co LLC	Analytical Lead And Senior Scientist, Upstream R&D	Filing details $72,030 /yr I-200-19038-262587 Reported wage: $72,030 / year Annualized: $72,030 Status: Certified Fiscal year: 2019 Decision: 2019-02-14 Employment end: 2022-08-06 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	Lenexa, KANSAS	02/08/2019	08/07/2019
Sigma-Aldrich Co LLC	Chemical Planning And Scheduling Specialist	Filing details $52,000 /yr I-200-18079-131466 Reported wage: $52,000 / year Annualized: $52,000 Status: Certified Fiscal year: 2018 Decision: 2018-03-26 Employment end: 2021-09-18 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	Urbana, IL	03/20/2018	09/19/2018
Sigma-Aldrich Co. LLC	R&D Scientist	Filing details $68,910 /yr I-200-18036-045084 Reported wage: $68,910 / year Annualized: $68,910 Status: Certified Fiscal year: 2018 Decision: 2018-03-01 Employment end: 2021-08-04 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	St. Louis, MO	02/22/2018	08/05/2018
Sigma-Aldrich Co LLC	Scientist	Filing details $76,544 /yr I-200-18040-846580 Reported wage: $76,544 / year Annualized: $76,544 Status: Certified Fiscal year: 2018 Decision: 2018-02-26 Employment end: 2021-08-08 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	Lenexa, KS	02/20/2018	08/09/2018
Sigma-Aldrich Co. LLC	Senior R& D Scientist	Filing details $78,000 /yr I-200-18031-179624 Reported wage: $78,000 / year Annualized: $78,000 Status: Certified Fiscal year: 2018 Decision: 2018-02-13 Employment end: 2021-07-31 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	St Louis, MO	02/07/2018	08/01/2018
Sigma-Aldrich Co LLC	Senior Scientist	Filing details $81,932.36 /yr I-200-17073-019850 Reported wage: $81,932.36 / year Annualized: $81,932 Status: Certified Fiscal year: 2017 Decision: 2017-03-22 Employment end: 2020-09-12 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	St. Louis, MO	03/16/2017	09/13/2017
Sigma-Aldrich Co. LLC	Engineer, Packaging Senior	Filing details $68,931 /yr I-200-13345-955110 Reported wage: $68,931–$103,000 / year Annualized: $68,931 Status: Certified - Withdrawn Fiscal year: 2016 Decision: 2016-08-23 Employment end: 2016-12-21 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	St. Louis, MO	12/11/2013	12/21/2013
Sigma-Aldrich Co. LLC	Senior Scientist	Filing details $71,000 /yr I-200-14079-499430 Reported wage: $71,000–$81,000 / year Annualized: $71,000 Status: Certified - Withdrawn Fiscal year: 2016 Decision: 2016-06-20 Employment end: 2017-09-18 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	Saint Louis, MO	03/20/2014	09/19/2014

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About Sigma-Aldrich Co LLC H-1B salary records

This view contains 26 matching filings across all loaded fiscal years. The median reported yearly base wage is $80,000, based on 24 certified filings with positive yearly pay. These are filing-level observations, not unique employees or total compensation.

Read each filing in context.

Base wages preserve the disclosed pay period. Select a salary to see its case status, dates, worker positions, and annualized estimate. Salary charts use certified, positive yearly base wages; LCAs are not visa approvals. Subsidiaries and previous legal names have separate profiles. Methodology & coverage ↗

THE BIG PICTURE

Sigma-Aldrich Co LLC insights

Official U.S. DOL records

Filing & salary trends

How reported activity and wages changed over time

All loaded years · FY 2016–2026

FY 2026*5 filings$93,000 median · n=5

*FY 2026 covers Q1–Q3 through June; earlier years cover full fiscal years. Median: certified, positive yearly base wages; nominal USD.

Salary distribution

Where reported yearly base wages concentrate

All loaded years · FY 2016–2026

$75k–$100kMost common wage band

$0$125k$250k+

$25k bands · 24 certified filings with positive yearly wages. Final band includes all wages ≥$250k.

Salary ranges by role

Which common roles report higher base wages?

All loaded years · FY 2016–2026

Not enough eligible records to compare groups. Each group needs at least 20.

Up to six of the eight most-filed roles, ordered by median pay. At least 20 certified, positive yearly wages per group. Bars compare median yearly base salary from a zero baseline. Typical range contains the middle 50% of wages. Click a group to inspect its filings.

Salary ranges by city

How does reported pay differ across common worksites?

All loaded years · FY 2016–2026

Not enough eligible records to compare groups. Each group needs at least 20.

Up to six of the eight most-filed worksites, ordered by median pay. At least 20 certified, positive yearly wages per group. Bars compare median yearly base salary from a zero baseline. Typical range contains the middle 50% of wages. Click a group to inspect its filings.

Case outcomes

Certification and withdrawal context

All loaded years · FY 2016–2026

92.3%Certified LCAs

Certified24 92.3%

Certified - Withdrawn2 7.7%

Denominator: all 26 matching filings. LCA certification is not a visa approval rate.

Salary benchmarks

Reported wage percentiles, from P10 to P90

All loaded years · FY 2016–2026

$80,000Median reported annual base wage

10th percentile$65,000

25th percentile$71,562

Median (50th)$80,000

75th percentile$82,750

90th percentile$93,000

n=24 certified filings with positive yearly wages. Percentiles describe filings, not unique workers or total compensation.

Source: U.S. Department of Labor LCA disclosures · FY 2016–2026 (FY 2026 partial) · salary charts exclude non-yearly pay, non-certified cases, and missing or non-positive wages. Coverage & methodology