Middlesex General Industries, INC
At a glance
Employees1-19
In business sinceNot reported
HeadquartersNewburyport, MA
US patents10
SAM.gov UEIHLWZANNCUS98
CAGE code8YEA5
Incorporated inMA
- conveyor systems
- control software
- semiconductors
- hybrid AMHS
- microelectronics
- hard disk drive
- medical
Named on the company’s own website, read JUL 29, 2026
Supplier designations
For Profit OrganizationSubchapter S Corporation
Self-certified by the company in its SAM.gov registration
Patents
10 US patents granted 1988–2017, none of them in the five years to SEP 2025.
Handling 8Semiconductors 2
- High volume conveyor transport for clean environmentsUS 9,540,172 · granted JAN 10, 2017
- Clean, high density, soft-accumulating conveyorUS 8,668,078 · granted MAR 11, 2014
- System and method of improving throughput and vehicle utilization of monorail factory transport systemsUS 8,205,558 · granted JUN 26, 2012
- Clean, high density, soft-accumulating conveyorUS 8,033,383 · granted OCT 11, 2011
- Conveyorized storage and transportation systemUS 6,971,500 · granted DEC 6, 2005
Newest 5 shown · Granted to Middlesex General Industries, INC. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Middlesex General Industries, INC | Newburyport | 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.