H-1B sponsorship profile: Amberstone Biosciences Inc. Across U.S. Department of Labor LCA disclosures, Amberstone Biosciences Inc filed 4 Labor Condition Applications covering 4 H-1B worker positions between fiscal year 2024 and fiscal year 2025. The employer’s DOL certification rate sits at 100% (4 certified of 4 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 Amberstone Biosciences Inc’s H-1B petitions range from $60,320 at the low end to $130,000 at the high end, with a petition-weighted average of $112,580. That range reflects the mix of occupations the company sponsors, led by Project Manager (3 petitions at $130,000 avg), followed by Cell Biologist. 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. Amberstone Biosciences Inc is headquartered in Irvine, CA under NAICS code 541714, and places H-1B workers across 1 state, most heavily in CA. 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 Amberstone Biosciences Inc ranks. By H-1B petition volume, Amberstone Biosciences Inc is #30,742 of 119,880 employers nationally and #5,322 of 22,893 employers headquartered in CA. Both ranks are computed live from the same underlying petition counts, not a separate estimate.