U.S. Immigration Data

Priority dates, work visas, and labor market data

MAINSPRING ENERGY, INC

H-1B & Green Card Sponsorship Data

Source: US Dept of Labor. Represents Base Salary only. Excludes RSUs, signing bonuses, and variable compensation. View All Salary Records

14

Total Filings

2021-Present

100.0%

Approval Rate

Certified Cases

$136,758

Median Salary

Across All Roles
Filings by Program
1
H-1B Filings
13
PERM Filings
Labor certification, the first green card step
Recent Filing Activity
By Program Type
Program Last Filing Dated filings (2021–Present)
H-1B Nov 24, 2025 1
PERM Dec 13, 2024 13
Counts only filings that carry a submission date, so these totals run below the Filings by Program counts above.
By Role (Most Recent)
Role Last Filing Dated filings (2021–Present)
Sr. Manager, Operations FP&A Nov 24, 2025 1
Mechanical Design Engineer Dec 13, 2024 2
Manufacturing Quality Engineer Aug 5, 2024 1
VP and General Manager, C&I May 17, 2024 1
Staff Mechanical Engineer Apr 12, 2024 1
Top Roles by Filings
Role Count Median Salary Min Max
Mechanical Design Engineer 2 $115,343 $105,685 $125,000
Associate Mechanical Engineer 1 $95,016 $95,016 $95,016
Manufacturing Quality Engineer 1 $88,629 $88,629 $88,629
Mechanical Engineer 1 $160,077 $160,077 $160,077
Product Manager, Fuels 1 $140,000 $140,000 $140,000
Senior CFD Modeling Engineer 1 $145,008 $145,008 $145,008
Senior Manufacturing Engineer 1 $124,000 $124,000 $124,000
Site Reliability Engineer 1 $140,016 $140,016 $140,016
Sr. Manager, Operations FP&A 1 $155,839 $155,839 $155,839
Staff Mechanical Engineer 1 $160,077 $160,077 $160,077
Salary Distribution (All Filings + Role Overlays)
10th Percentile

$98,217

25th Percentile

$124,250

Median (50th)

$136,758

75th Percentile

$153,131

90th Percentile

$160,077

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Filings by State (Chart)
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Median Salary by State (Chart)
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Filing Volume Trend
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Median Salary Trend
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Filing Pace by Program
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Year-over-Year Statistics
Fiscal Year Filings Median Salary Approval Rate
2024 3 $124,000 100.0%
2025 8 $142,512 100.0%
2026 3 $125,000 100.0%
Processing Time (Filing to Decision)
482
Median Days
433
Average Days
411–496
P25–P75 Range
14
Cases with Data
By Program
Program Median Days Avg Days P25–P75 Cases
PERM 489 466 465–496 13
Data Source: U.S. Department of Labor (DOL) H-1B and green card (PERM) disclosure data. Represents Base Salary only (excludes RSUs, signing bonuses, and variable compensation). Data shown for fiscal years 2021 to present. Last updated: August 31, 2026