United Centerless Grinding & Thread Rolling

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
VLVuniabu LLC	East Hartford	All Other Miscellaneous Manufacturing 339999	● ACTIVE	2.3 KM
Horst Engineering & Manufacturing CO	East Hartford	Precision Turned Product Manufacturing 332721	● ACTIVE	2.4 KM
AAti	East Hartford	Machine Shops 332710	◐ LIKELY ACTIVE	3.1 KM
EPExperimental Prototype Products, INC.	South Windsor	Machine Shops 332710	◐ LIKELY ACTIVE	4.4 KM
Aircraft Welding & Manufacturing Co, LLC	Hartford	Hardware Manufacturing 332510	● ACTIVE	4.1 KM

Every listed plant in Capitol County

Also at this address

No other federal record shares this street address.

Where this record comes from

4 sources hold this plant, and 10 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.

EPA cross-references this facility in AIR, AIRS/AFS, RCRAINFO · EPA site type STATIONARY.

• Connecticut Secretary of the State business registryOPERATING
  Record CT:001t000000WmTbQAAV · first seen DEC 2025 · last seen DEC 2025
• DOL Form 5500 retirement plan filingsOPERATING
  Record 060757366|CT|06108|25 rosenthal st · first seen DEC 2024 · last seen DEC 2024
• EPA Facility Registry ServiceEXISTENCE
  Record 110039132514 · first seen JAN 2015 · last seen JAN 2015
• EPA ECHO compliance recordsOPERATING
  first seen FEB 2009 · last seen FEB 2009

IN CAPITOL COUNTY92 other plants share this one’s industry (Machine Shops; Turned Product; and Screw, Nut, and Bolt Manufacturing, NAICS 3327); 48 of them have a size band on record.

What each source says

Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

Name

EPA: UNITED CENTERLESS GRINDING & THREAD ROLLING · OCT 2026

Street address

EPA: 25 ROSENTHAL STREET · OCT 2026

City

EPA: EAST HARTFORD · OCT 2026

State

EPA: CT · OCT 2026

Coordinates

EPA: 41.77602,-72.63414 · OCT 2026

Employees (band)

DOL: 20-99 · DEC 2024

Year established

CT SOTS: 1960 · JAN 1960

Retirement plan filing (Form 5500)

DOL: 24 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024

Hazardous waste generator (RCRA)

EPA ECHO: none · OCT 2026

State business registration

CT SOTS: UNITED CENTERLESS GRINDING AND THREAD ROLLING, INC., registered with the Connecticut Secretary of the State; Corporation; formed 1960-01-11; active, annual report filed 2025-12-30 · DEC 2025