Diamond-roltran LLC
At a glance
EmployeesNot reported
In business sinceNot reported
HeadquartersLittleton, MA
SAM.gov UEIJT42D3ML4VN9
CAGE code53J11
Incorporated inDE
Diamond-Roltran, LLC designs and manufactures electromechanical rotary assemblies called Roll-Rings. These assemblies are presented as upgrades to slip rings and are used in aerospace, defense, industrial, and space applications. All product engineering, procurement, assembly, test and quality control occur at a single facility in Littleton, Massachusetts The company is U.S. wholly-owned.
Summarized from the company’s own website
CareersCareers page — seen SEP 8, 2026
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Diamond-roltran LLC | Littleton | MA | — | LIKELY 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.