Protoline INC
At a glance
EmployeesNot reported
In business sinceNot reported
HeadquartersHouston, TX
SAM.gov UEIEKL4LNSJH1P5
CAGE code3QWG1
Incorporated inTX
Protoline manufactures printed circuit boards (PCBs) with assembly capabilities, producing up to 20-layer boards and processing over 1,000 panels per day at their Houston facility. The company serves industries including contract manufacturing, oil and gas, telecommunications, medical, data processing, recorders, controllers, audio, video, and aerospace. Protoline holds ISO9001-2008 Certification, UL Certification, and ITAR Registration.
Summarized from the company’s own website
Supplier designations
For Profit OrganizationManufacturer of GoodsMinority Owned Business
Self-certified by the company in its SAM.gov registration
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Protoline INC | Houston | TX | — | ACTIVE |
Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.


