Operating signal within 12 months from two or more independent sources.
What they make
Electronic Computer Manufacturing334111- extenders
- switches
- multi-viewers
- cables
- converters
- HDMI
- multiple computer access
- rack trays
- power management
- environments
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Martin International Enclosures, LLC | Seabrook | Sheet Metal Work Manufacturing 332322 | ACTIVE | 9.3 KM |
| Visible Assets, INC. | Stratham | Other Communications Equipment Manufacturing 334290 | ACTIVE | 20.7 KM |
| Complab LLC | North Hampton | Electronic Computer Manufacturing 334111 | ACTIVE | 22.1 KM |
| Spartronics Plaistow, INC. | Plaistow | Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing 334220 | ACTIVE | 17.2 KM |
| Quality Die Cutting INC. | Haverhill | Gasket, Packing, and Sealing Device Manufacturing 339991 | ACTIVE | 18.3 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
2 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.
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen OCT 2026
- SAM.gov entity registrationOPERATINGRecord HFPEZKKLCD44 · first seen OCT 2025 · last seen SEP 2026
IN ESSEX COUNTY9 other plants share this one’s industry (Computer and Peripheral Equipment Manufacturing, NAICS 3341); 1 of them has 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: ADDER CORP · SEP 2026
- Street address
- SAM.gov: 24 GRAF RD · SEP 2026
- City
- SAM.gov: NEWBURYPORT · SEP 2026
- State
- SAM.gov: MA · SEP 2026
- Coordinates
- Census geocoder: 42.804572807105,-70.883306944866 · JUL 2026
- Website
- SAM.gov: http://www.adder.com · SEP 2026
- Year established
- Company website: 1984 · SEP 2026
- CAGE code
- SAM.gov: 4K6T7 · SEP 2026
- SAM registration expires
- SAM.gov: 2027-09-28 · SEP 2026
- State business registration
- TX Comptroller: ADDER CORPORATION, INC, registered with the Texas Comptroller of Public Accounts; Corporation; active


