Em4, LLC
At a glance
Employees20-99
In business sinceNot reported
HeadquartersBedford, MA
SAM.gov UEIELMKGCKJAM25
EM4 manufactures photonic components including DFB lasers and modules, fiber coupled pump lasers, planar lightwave circuits, photodetectors, and optical collimators. The products are available in various configurations such as cooled and uncooled multi-mode lasers, single mode pump lasers, and laser drivers with integrated components.
Summarized from the company’s own website
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Em4, LLC | Bedford | MA | 20–99 | ACTIVE |
Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.