S&h Engineering, INC
At a glance
Employees1-19
In business sinceNot reported
Industry
HeadquartersChelmsford, MA
SAM.gov UEIHHHLH1RXN1T3
CAGE code3SZU3
Incorporated inMA
- prototypes
- fabrication
- inspection services
- manual machining capabilities
- engineering support
- aerospace
- defense
- ITAR registration
- security clearance
Named on the company’s own website, read JUL 29, 2026
CareersCareers page — seen SEP 8, 2026
Supplier designations
For Profit OrganizationManufacturer of GoodsSubchapter S Corporation
Self-certified by the company in its SAM.gov registration
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| S&h Engineering, INC | Chelmsford | MA | 1–19 | 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.

