National Sign Corporation
780 Four Rod Rd, Berlin, CT 06037
Operating signal within 12 months from two or more independent sources.
What they make
Sign Manufacturing339950- branding programs
- 24/7 on-call maintenance services
- North America
- 200 installers
- installation
- project management
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Lorence Signworks, LLC | Berlin | Sign Manufacturing 339950 | LIKELY ACTIVE | 3.7 KM |
| Prospect Prods INC | Newington | All Other Miscellaneous Manufacturing 339999 | ACTIVE | 5.3 KM |
| Skyline Exhibits & Graphics, INC. | Middletown | Sign Manufacturing 339950 | LIKELY ACTIVE | 4.7 KM |
| Edco Engineering INC. | Newington | Precision Turned Product Manufacturing 332721 | ACTIVE | 6.0 KM |
| Superb Steel, LLC | New Britain | All Other Miscellaneous Manufacturing 339999 | ACTIVE | 6.7 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
6 sources hold this plant, and 12 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.
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen OCT 2026
- SAM.gov entity registrationOPERATINGRecord XWBBZT8MRBH6 · first seen APR 2026 · last seen APR 2026
- OSHA injury and illness reportsOPERATINGRecord 118919 · first seen DEC 2025 · last seen DEC 2025
- Connecticut Secretary of the State business registryOPERATINGRecord CT:001t000000WmdcAAAR · first seen OCT 2025 · last seen OCT 2025
- DOL Form 5500 retirement plan filingsOPERATINGRecord 061384601|CT|06037|780 four rod rd · first seen DEC 2024 · last seen DEC 2024
- SBA Paycheck Protection Program loan recordsEXISTENCERecord CT|berlin|780 four rod rd · first seen JAN 2021 · last seen JAN 2021
ALSO RECORDED ASNational Sign Berlin
IN CAPITOL COUNTY31 other plants share this one’s industry (Other Miscellaneous Manufacturing, NAICS 3399); 12 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
- SAM.gov: NATIONAL SIGN CORPORATION · APR 2026
- Street address
- SAM.gov: 780 FOUR ROD RD · APR 2026
- City
- SAM.gov: BERLIN · APR 2026
- State
- SAM.gov: CT · APR 2026
- Coordinates
- Census geocoder: 41.609910643411,-72.764597105175 · JUL 2026
- Employees (band)
- OSHA: 20-99 · DEC 2025
- Website
- SAM.gov: www.nationalsign.com · APR 2026
- CAGE code
- SAM.gov: 9DM80 · APR 2026
- Retirement plan filing (Form 5500)
- DOL: 45 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024
- PPP loan
- SBA PPP: PPP loan x2, approved 2021-01-26, 59 jobs reported · JAN 2021
- SAM registration expires
- SAM.gov: 2027-04-06 · APR 2026
- State business registrationSOURCES DISAGREE
- CT SOTS: NATIONAL SIGN CORPORATION, registered with the Connecticut Secretary of the State; Corporation; formed 1993-11-22; active, annual report filed 2025-10-23 · OCT 2025
- Sunbiz: NATIONAL SIGN CONNECTICUT CORPORATION, registered with the Florida Department of State, Division of Corporations; Corporation formed in Connecticut; registered 2023-10-03; active, annual report filed 2026-01-06 · JAN 2026


