603 Manufacturing, LLC

What they make

• cable assemblies
• complex wiring
• harnesses
• RF cables
• electro-mechanical box
• rack panels
• system integration
• military
• medical
• AS9100 standards

NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026

Open positions

Openings read from 603 Manufacturing, LLC’s own job board on Greenhouse, last checked OCT 26, 2026. FactoryRegistry does not host applications — each title opens the posting where the company published it.

• Manufacturing Estimator
  NH - Hudson | 603 Manufacturing · Operations · posted AUG 4, 2026
• Production Assembler II
  NH - Hudson | 603 Manufacturing · Assembly · posted JUN 29, 2026
• 603 Process Engineer
  NH - Hudson | 603 Manufacturing · Engineering · posted JUN 18, 2026
• Quality Inspector
  NH - Hudson | 603 Manufacturing · Quality · posted SEP 25, 2025

• Testing Technician
  MA - Braintree | First Electronics Corp · Quality · posted OCT 23, 2026
• Inside Sales Representative
  CO - Conifer | ConexSmart · Sales · posted OCT 9, 2026
• Engineering Technician
  AZ - Chandler | C.E. Precision Assemblies · Engineering · posted OCT 6, 2026
• Senior Manager IT Infrastructure
  AZ - Chandler | C.E. Precision Assemblies; AZ - Chandler | Qualastat; CA - Valencia | Cicoil; CO - Longmont | Integrated Cable Systems; MA - Braintree | First Electronics Corp; OH - Twinsburg | Trexon · Information Technology · posted SEP 28, 2026
• Supply Chain Associate
  NY - Bohemia | Power Connector · Purchasing · posted SEP 24, 2026
• Quality Manufacturing Engineer
  NY - Bohemia | Power Connector · Quality · posted SEP 24, 2026
• Cicoil Inventory Lead
  CA - Valencia | Cicoil · Warehouse · posted SEP 18, 2026
• Cicoil Product Development Engineer
  CA - Valencia | Cicoil · Engineering · posted SEP 15, 2026
• Cicoil Business Development Manager
  WA - Redmond | Cicoil · Sales · posted SEP 10, 2026
• Cicoil Business Development Manager
  CA - Valencia | Cicoil · Sales · posted SEP 10, 2026

51 more on the company’s board

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
BSBae Systems Information & Electronic Systems Integration INC	Hudson	Other Electronic Component Manufacturing 334419	◐ LIKELY ACTIVE	0.5 KM
Mercury Systems, INC.	Hudson	Electronic Computer Manufacturing 334111	● ACTIVE	1.4 KM
MSMasimo Semiconductor, INC.	Hudson	Semiconductor and Related Device Manufacturing 334413	◐ LIKELY ACTIVE	2.0 KM
Incon INC	Hudson	Electronic Connector Manufacturing 334417	● ACTIVE	2.4 KM
EMEngineered Materials Hudson	Hudson	Semiconductor and Related Device Manufacturing 334413	◐ LIKELY ACTIVE	2.4 KM

Every listed plant in Hillsborough County

Also at this address

More than one federal record exists for this street address. The primary record for the site is listed first.

OC

Omni Components CORP

Hudson, NH

◐ LIKELY ACTIVE332710EMP 20-99

Rf Logic, LLC

Hudson, NH

◐ LIKELY ACTIVE334419

H

Hudson

Hudson, NH

◐ LIKELY ACTIVE332721EMP 20-99

Where this record comes from

2 sources hold this plant, and 8 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 websiteOPERATING
  first seen JUL 2026 · last seen OCT 2026
• SAM.gov entity registrationOPERATING
  Record K6NWQ4T4QG19 · first seen OCT 2025 · last seen JUL 2026

IN HILLSBOROUGH COUNTY68 other plants share this one’s industry (Semiconductor and Other Electronic Component Manufacturing, NAICS 3344); 30 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: 603 MANUFACTURING, LLC · JUL 2026

Street address

SAM.gov: 46 RIVER RD · JUL 2026

City

SAM.gov: HUDSON · JUL 2026

State

SAM.gov: NH · JUL 2026

Coordinates

Census geocoder: 42.710923449431,-71.420306984798 · JUL 2026

Website

SAM.gov: www.603mfg.com · JUL 2026

CAGE code

SAM.gov: 7VQJ6 · JUL 2026

SAM registration expires

SAM.gov: 2027-07-13 · JUL 2026