A123 Systems LLC employer filing profile for all available years, covering sponsorship activity, wage context, approval signals, and location patterns from official labor disclosures.

A123 Systems LLC is tracked on Work Visa Insights as a visa sponsorship employer using official H1B, LCA, and related labor filing records. In the selected scope across all tracked years, the employer has 126 official filings with an approval rate of 100.0%. The strongest role signals include Electrical Engineers, while filing activity is most visible in Novi, Waltham, MI, and MA. Salary records show $94,386 median salary, which is about 11.0% above the national sponsored-role benchmark. For candidates, recruiters, and immigration teams, this summary highlights sponsorship scale, salary positioning, geographic footprint, and filing consistency before deeper case-level research. Because employer names and filing categories can vary across official disclosures, Work Visa Insights normalizes the records into one employer view and updates the summary when the underlying data changes. Users can compare this employer with similar sponsors, review top roles, and inspect location-level trends to understand whether the sponsor is concentrated in one market or broadly active across the United States. This page is intended for research and benchmarking only and should not be treated as immigration or legal advice.