H-1B sponsorship profile: Mainspring Energy, Inc. Across U.S. Department of Labor LCA disclosures, Mainspring Energy, Inc filed 84 Labor Condition Applications covering 84 H-1B worker positions between fiscal year 2023 and fiscal year 2026. The employer’s DOL certification rate sits at 100% (84 certified of 84 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 Mainspring Energy, Inc’s H-1B petitions range from $75,000 at the low end to $250,000 at the high end, with a petition-weighted average of $124,955. That range reflects the mix of occupations the company sponsors, led by Mechanical Design Engineer (4 petitions at $118,622 avg), followed by Senior Mechanical Engineer and Electrical 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. Mainspring Energy, Inc is headquartered in Menlo Park, CA under NAICS code 335312, and places H-1B workers across 6 states, most heavily in CA, TX, OH. 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 Mainspring Energy, Inc ranks. By H-1B petition volume, Mainspring Energy, Inc is #2,748 of 119,880 employers nationally and #424 of 22,893 employers headquartered in CA. Both ranks are computed live from the same underlying petition counts, not a separate estimate.