Operating signal within 12 months from two or more independent sources.
What they make
Bare Printed Circuit Board Manufacturing334412- rigid-flex PCBs
- aluminum
- copper
- New PCBs
- flexible printed circuit boards
- IC substrates
- aerospace
- automotive
- defense
- medical
- safety critical
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Electronic Services & Design | Harrisburg | Bare Printed Circuit Board Manufacturing 334412 | LIKELY ACTIVE | 2.2 KM |
| Advanced Conversion Technology INC | Middletown | Electronic Connector Manufacturing 334417 | ACTIVE | 4.4 KM |
| 106 Facn - Middletown | Middletown | Electronic Connector Manufacturing 334417 | LIKELY ACTIVE | 4.8 KM |
| 140 Facn - Middletown | Middletown | Electronic Connector Manufacturing 334417 | LIKELY ACTIVE | 4.9 KM |
| Te Connectivity - Building 106 | Middletown | Electronic Connector Manufacturing 334417 | UNVERIFIED | 4.9 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
4 sources hold this plant, and 13 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 SEP 2026
- SAM.gov entity registrationOPERATINGRecord K3D6XBYL6BN1 · first seen JAN 2026 · last seen JAN 2026
- DOL Form 5500 retirement plan filingsOPERATINGRecord 202335323|PA|17111|7703 derry st · first seen JUN 2025 · last seen JUN 2025
- SBA Paycheck Protection Program loan recordsEXISTENCERecord PA|harrisburg|7703 derry st · first seen APR 2020 · last seen APR 2020
IN DAUPHIN COUNTY17 other plants share this one’s industry (Semiconductor and Other Electronic Component Manufacturing, NAICS 3344); 5 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: MILLENNIUM CIRCUITS LTD · JAN 2026
- Street address
- SAM.gov: 7703 DERRY ST · JAN 2026
- City
- SAM.gov: HARRISBURG · JAN 2026
- State
- SAM.gov: PA · JAN 2026
- Coordinates
- Census geocoder: 40.265721429797,-76.759259140919 · JUL 2026
- Employees (band)
- DOL: 20-99 · JUN 2025
- Website
- SAM.gov: https://www.mclpcb.com/ · JAN 2026
- Year established
- PA DOS: 2005 · JAN 2005
- CAGE code
- SAM.gov: 8E6L6 · JAN 2026
- Retirement plan filing (Form 5500)
- DOL: 39 active participants, plan year ending 2025-06-30, 2 plan(s) · JUN 2025
- PPP loan
- SBA PPP: PPP loan x1, approved 2020-04-03, 13 jobs reported · APR 2020
- SAM registration expires
- SAM.gov: 2027-01-22 · JAN 2026
- State business registration
- PA DOS: Millennium Circuits Limited, registered with the Pennsylvania Department of State; Corporation; formed 2005-01-03; active · JAN 2005


