SIGMA-ALDRICH CORPORATION
BURLINGTON, MA
- 150 H-1B petitions approved, FY2018–FY2023
- Denial rate 2.0% across 153 decisions
- Initial petitions: 35 approved, 3 denied
- 11 certified PERM labor certifications
- Median PERM wage $126,298
- Roles sponsored: Sr. Software Engineer, Cloud Engineer, Business Process Architect, Senior Expert Software Engineer, Master Data Migration Lead
H-1B figures are from the USCIS Employer Data Hub; PERM figures from Department of Labor disclosure data. Both are counts of past adjudications, not predictions about any future petition. Employers are matched by name, so a single legal entity can appear more than once.