Certification Rate
60%
10 H-1B petitions, 60% certified, $149,750 median salary, FY2025–2026.
SAN FRANCISCO, CA NAICS: 333131
The verdict
Mariana Minerals Co filed 10 H-1B petitions, more than 86% of U.S. sponsors - certified at 60% with a $149,750 median offered wage.
Based in SAN FRANCISCO, CA. Computed live from U.S. Department of Labor LCA disclosures.
H-1B sponsorship profile: Mariana Minerals Co. Across U.S. Department of Labor LCA disclosures, Mariana Minerals Co filed 10 Labor Condition Applications covering 10 H-1B worker positions between fiscal year 2025 and fiscal year 2026. The employer’s DOL certification rate sits at 60% (6 certified of 10 filed), a useful proxy for how cleanly their prevailing-wage attestations pass the Labor Department’s preliminary review before USCIS adjudication.
Compensation spread. Offered wages on Mariana Minerals Co’s H-1B petitions range from $120,000 at the low end to $165,000 at the high end, with a petition-weighted average of $149,750. That range reflects the mix of occupations the company sponsors, led by SENIOR PROJECT ENGINEER (3 petitions at $159,167 avg), followed by BIM/CAD ENGINEERING MANAGER and Senior Civil/Structural Engineer. H-1B salaries reported on LCAs must meet or exceed the DOL prevailing wage for the role and worksite, so the spread also tracks wage-level geography and seniority.
Geographic footprint. Mariana Minerals Co is headquartered in SAN FRANCISCO, CA under NAICS code 333131, and places H-1B workers across 2 states, most heavily in CA, TX. Combined, these signals give a granular view of how one employer uses the H-1B program, volume, approval cleanliness, wage posture, and where the jobs actually sit on the map.
Where Mariana Minerals Co ranks. By H-1B petition volume, Mariana Minerals Co is #16,610 of 119,880 employers nationally and #2,625 of 22,893 employers headquartered in CA. Both ranks are computed live from the same underlying petition counts, not a separate estimate.
Certification Rate
60%
Avg. Salary
$149,750
Median Salary
$149,750
Total Workers
10
Mariana Minerals Co vs a peer vs the national average, from DOL LCA data.
Compensation range for H-1B positions at Mariana Minerals Co
Wage vs. DOL Minimum
+10%
national avg +17.9%
Typical DOL Wage Level
Fully Competent (Level IV)
40% of petitions
Full-Time Positions
100%
Primary Worksite County
SAN FRANCISCO, CA
40% of petitions
H-1B filing trends from FY2025 to FY2026
| Year | Petitions | Certified | Avg. Salary |
|---|---|---|---|
| FY2025 | 8 | 4 | $151,563 |
| FY2026(partial) | 2 | 2 | $142,500 |
Most frequently sponsored job titles at Mariana Minerals Co
| Job Title | Petitions | Avg. Salary |
|---|---|---|
| SENIOR PROJECT ENGINEER | 3 | $159,167 |
| BIM/CAD ENGINEERING MANAGER | 3 | $150,000 |
| Senior Civil/Structural Engineer | 1 | $150,000 |
| SENIOR MINE ENGINEER, TECHNOLOGY IMPLEMENTATION | 1 | $135,000 |
| SENIOR MACHINE LEARNING ENGINEER | 1 | $165,000 |
| MARKET ANALYST - CHEMICAL ENGINEERING | 1 | $120,000 |
Where Mariana Minerals Co places H-1B workers across the United States
Latest H-1B labor condition applications filed by Mariana Minerals Co
| Job Title | Location | Salary | Status | Year |
|---|---|---|---|---|
| Senior Civil/Structural Engineer | Houston, TX | $150,000 | Certified | FY2026 |
| SENIOR MINE ENGINEER, TECHNOLOGY IMPLEMENTATION | SAN FRANCISCO, CA | $135,000 | Certified | FY2026 |
| BIM/CAD ENGINEERING MANAGER | SAN FRANCISCO, CA | $150,000 | Certified | FY2025 |
| BIM/CAD ENGINEERING MANAGER | SAN FRANCISCO, CA | $150,000 | Withdrawn | FY2025 |
| BIM/CAD ENGINEERING MANAGER | SAN FRANCISCO, CA | $150,000 | Withdrawn | FY2025 |
| MARKET ANALYST - CHEMICAL ENGINEERING | SAN FRANCISCO, CA | $120,000 | Certified | FY2025 |
| SENIOR MACHINE LEARNING ENGINEER | SAN FRANCISCO, CA | $165,000 | Certified | FY2025 |
| SENIOR PROJECT ENGINEER | SAN FRANCISCO, CA | $147,500 | Certified | FY2025 |
| SENIOR PROJECT ENGINEER | SAN FRANCISCO, CA | $165,000 | Withdrawn | FY2025 |
| SENIOR PROJECT ENGINEER | SAN FRANCISCO, CA | $165,000 | Denied | FY2025 |
Other H-1B sponsors based in CA, ranked by petition volume
Essential resources for understanding H-1B visa sponsorship
Step-by-step guide from LCA filing to work authorization
Understanding prevailing wage levels I through IV
How to read and interpret DOL LCA disclosure data
Compare salaries by occupation, state, and wage level
Mariana Minerals Co has filed 10 H-1B LCA petitions covering 10 worker positions from FY2025 to FY2026.
Mariana Minerals Co has a 60% certification rate, with 6 out of 10 petitions certified.
The average H-1B salary at Mariana Minerals Co is $149,750. Salaries range from $120,000 to $165,000.
The top H-1B job titles at Mariana Minerals Co include SENIOR PROJECT ENGINEER, BIM/CAD ENGINEERING MANAGER, Senior Civil/Structural Engineer. The most common position is SENIOR PROJECT ENGINEER with 3 petitions at an average salary of $159,167.
Mariana Minerals Co is headquartered in SAN FRANCISCO, CA. Their H-1B workers are distributed across 2 states, with the most positions in CA, TX.
No, Mariana Minerals Co is not classified as H-1B dependent.
Mariana Minerals Co filed 8 petitions in FY2025 and 2 in FY2026. Average salary changed from $151,563 to $142,500.
H-1B visa petition data is sourced from the U.S. Department of Labor (DOL) Labor Condition Application (LCA) disclosure files. Data covers fiscal years 2023 through 2026. Salary figures reflect amounts listed on LCA petitions, not actual compensation paid. Certification of an LCA does not guarantee visa approval.
Source: DOL Foreign Labor Performance Data
Source: U.S. Department of Labor, Office of Foreign Labor Certification, LCA Disclosure Data (FY2023–FY2026)
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the U.S. Department of Labor LCA disclosure files. Consult a qualified professional before making decisions based on this data.
Read our methodology , how this data is sourced, computed, and verified.
Every figure on PlainVisa is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.