Question 1

Does Sigma-Aldrich, Inc. sponsor green cards?

Accepted Answer

Yes. Sigma-Aldrich, Inc. has filed 3 PERM labor certification applications with the Department of Labor, with 3 certified. The median processing time from filing to decision has been 118 days.

Question 2

What is the current PERM processing time?

Accepted Answer

The DOL processing time from PERM filing to decision typically ranges from 6 to 18 months. This does not include the prevailing wage determination (1–6 months) or the recruitment period (2–3 months) that happen before filing. For Sigma-Aldrich, Inc., the median processing time from filing to decision has been 118 days. See the processing time chart above for year-over-year trends.

Question 3

How long does it take to get a green card through Sigma-Aldrich, Inc.?

Accepted Answer

The full employer-sponsored green card timeline depends on three stages: PERM labor certification (6–18 months), I-140 petition with USCIS (4–6 months, or 15 days with premium processing), and adjustment of status or consular processing. For applicants from countries with visa backlogs like India and China, the wait for a visa number after I-140 approval can add years. The total process from start to green card typically takes 1–5+ years.

Question 4

What triggers a PERM audit?

Accepted Answer

The DOL may audit a PERM application if certain risk factors are present: layoffs within 6 months of filing, the foreign worker having an ownership interest in the company, job requirements that exceed the norm for the occupation, foreign language requirements, or combination occupations. An audit requires additional documentation but does not mean the case will be denied.

Question 5

What is Sigma-Aldrich, Inc.'s PERM approval rate?

Accepted Answer

Sigma-Aldrich, Inc. has a 100% PERM approval rate across 3 total applications (3 certified, 0 denied, 0 withdrawn). The national average PERM approval rate is approximately 85%. Note that withdrawn cases are not counted in the approval rate calculation.

Year	Filings	Certified	Denied	Withdrawn	Median Processing Days
2019	1	1	0	0	52
2018	2	2	0	0	173

Job Title	Salary	Location	Filed	Decision	Days	Status
Report Writer A-19072-81715	$55,286	Rockville, MD	Apr 13, 2019	Jun 4, 2019	52	Certified
Engineer, Biosystems A-18310-38124	$78,161	Rockville, MD	Dec 17, 2018	Aug 1, 2019	227	Certified
Global Product Manager - Integrity Testing A-18277-25604	$117,924	Bedford, MA	Oct 19, 2018	Feb 14, 2019	118	Certified-Expired

Sigma-Aldrich, Inc. — Green Card PERM Data

Sigma-Aldrich, Inc. PERM & Green Card Filings

PERM Filings by Quarter

PERM Processing Time by Year

All PERM Filings

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