H-1B sponsorship profile: TMT International Observatory LLC. Across U.S. Department of Labor LCA disclosures, TMT International Observatory LLC filed 5 Labor Condition Applications covering 5 H-1B worker positions between fiscal year 2023 and fiscal year 2024. The employer’s DOL certification rate sits at 100% (5 certified of 5 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 TMT International Observatory LLC’s H-1B petitions range from $128,750 at the low end to $150,000 at the high end, with a petition-weighted average of $135,164. That range reflects the mix of occupations the company sponsors, led by Observatory Software Quality Assurance Engineer (2 petitions at $128,750 avg), followed by Telescope Structures Senior Engineer and Science Instruments Assistant Project Manager. 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. TMT International Observatory LLC is headquartered in Pasadena, CA under NAICS code 5417, 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 TMT International Observatory LLC ranks. By H-1B petition volume, TMT International Observatory LLC is #26,547 of 119,880 employers nationally and #4,468 of 22,893 employers headquartered in CA. Both ranks are computed live from the same underlying petition counts, not a separate estimate.