Question 1

Does LiquidPiston, Inc. sponsor green cards?

Accepted Answer

Yes. LiquidPiston, Inc. has filed 2 PERM labor certification applications with the Department of Labor, with 2 certified. The median processing time from filing to decision has been 468 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 LiquidPiston, Inc., the median processing time from filing to decision has been 468 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 LiquidPiston, 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 LiquidPiston, Inc.'s PERM approval rate?

Accepted Answer

LiquidPiston, Inc. has a 100% PERM approval rate across 2 total applications (2 certified, 0 denied, 0 withdrawn).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 Note that withdrawn cases are not counted in the approval rate calculation.

Job Title	Salary	Location	Filed	Decision	Days	Status
Sr. Modeling & Simulation Engineer G-100-24150-048381	$87,339	Bloomfield, CT	May 29, 2024	Aug 18, 2025	446	Certified
Mechanical Engineer G-100-24072-792591	$71,094	Bloomfield, CT	Mar 12, 2024	Jul 14, 2025	489	Certified

LiquidPiston, Inc. — Green Card PERM Data

LiquidPiston, Inc. PERM & Green Card Filings

PERM Filings by Quarter

PERM Processing Time by Year

All PERM Filings

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