H-1B sponsorship profile: Cambridge Isotope Laboratories, Inc. Across U.S. Department of Labor LCA disclosures, Cambridge Isotope Laboratories, Inc filed 7 Labor Condition Applications covering 7 H-1B worker positions between fiscal year 2023 and fiscal year 2025. The employer’s DOL certification rate sits at 71.4% (5 certified of 7 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 Cambridge Isotope Laboratories, Inc’s H-1B petitions range from $93,600 at the low end to $180,000 at the high end, with a petition-weighted average of $128,371. That range reflects the mix of occupations the company sponsors, led by Quality Control Group Leader (3 petitions at $135,000 avg), followed by Senior Research & Development Chemist I and Quality Control Senior Analyst I. 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. Cambridge Isotope Laboratories, Inc is headquartered in Tewksbury, MA under NAICS code 541330, and places H-1B workers across 1 state, most heavily in MA. 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 Cambridge Isotope Laboratories, Inc ranks. By H-1B petition volume, Cambridge Isotope Laboratories, Inc is #21,197 of 119,880 employers nationally and #921 of 5,193 employers headquartered in MA. Both ranks are computed live from the same underlying petition counts, not a separate estimate.