Protoline, INC.

What they make

• printed circuit boards
• 000-sq.ft
• fabrication
• contract manufacturing
• medical
• data processing
• aerospace
• controllers

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

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
Protoline INC	Houston	Bare Printed Circuit Board Manufacturing 334412	● ACTIVE	0.1 KM
Professionalized Products and Services, INC.	Houston	Printed Circuit Assembly (Electronic Assembly) Manufacturing 334418	● ACTIVE	0.6 KM
The Gus Group LLC	Stafford	Current-Carrying Wiring Device Manufacturing 335931	● ACTIVE	3.0 KM
Intellegre LLC	Stafford	Printed Circuit Assembly (Electronic Assembly) Manufacturing 334418	● ACTIVE	3.9 KM
Atec INC	Stafford	Other Aircraft Parts and Auxiliary Equipment Manufacturing 336413	● ACTIVE	3.8 KM

Every listed plant in Harris County

Also at this address

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

Protoline INC

Houston, TX

● ACTIVE334412

Where this record comes from

2 sources hold this plant, and 9 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 OCT 2026 · last seen OCT 2026
• SAM.gov entity registrationOPERATING
  Record EKL4LNSJH1P5 · first seen SEP 2026 · last seen SEP 2026

IN HARRIS COUNTY27 other plants share this one’s industry (Semiconductor and Other Electronic Component Manufacturing, NAICS 3344); 8 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: PROTOLINE, INC. · SEP 2026

Street address

SAM.gov: 10650 STANCLIFF RD · SEP 2026

City

SAM.gov: HOUSTON · SEP 2026

State

SAM.gov: TX · SEP 2026

Coordinates

Census geocoder: 29.658340477648,-95.566035724135 · OCT 2026

Website

SAM.gov: http://www.protoline.com · SEP 2026

CAGE code

SAM.gov: 3QWG1 · SEP 2026

SAM registration expires

SAM.gov: 2027-09-17 · SEP 2026

State business registration

TX Comptroller: PROTOLINE, INC., registered with the Texas Comptroller of Public Accounts; Corporation; formed 1989-09-18; active · SEP 1989