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Protoline INC

10650 Stancliff Rd, Houston, TX 77099

ACTIVELAST SEEN IN FEDERAL DATA OCT 2026 · 3 SOURCES

Operating signal within 12 months from two or more independent sources.

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Homepage of Protoline INC
Their homepage, crawled AUG 2026

What they make

Bare Printed Circuit Board Manufacturing334412
  • 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

CERTIFICATIONS — LISTED ON THE COMPANY’S WEBSITE

  • ISO 9001
  • ITAR registered
  • RoHS

Read from this company’s own website on September 11, 2026. Nobody at the facility has confirmed it here, and FactoryRegistry has not verified these — unlike operating status, which comes from independent public records. A certificate can lapse without the website changing, so ask the facility for current ones.

Where it is

29.65852, -95.56661 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS
STREET VIEW

Other plants nearby

FacilityCityIndustryStatusDistance
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The Gus Group LLCStaffordCurrent-Carrying Wiring Device Manufacturing
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Intellegre LLCStaffordPrinted Circuit Assembly (Electronic Assembly) Manufacturing
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ACTIVE3.9 KM
Atec INCStaffordOther Aircraft Parts and Auxiliary Equipment Manufacturing
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ACTIVE3.7 KM
Sece Schlumberger TechnologySugar LandPrinted Circuit Assembly (Electronic Assembly) Manufacturing
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LIKELY ACTIVE4.3 KM

Every listed plant in Harris County

Also at this address

1 other record shares this street address. Separate filings can describe distinct businesses on one site, or the same plant recorded by different agencies, so every record is kept rather than merged away.

Protoline, INC.
Houston, TX
ACTIVE334412

Where this record comes from

3 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.

EPA cross-references this facility in NPDES, RCRAINFO, TX-TCEQ ACR · EPA site type STATIONARY.

  • The company’s own websiteOPERATING
    first seen JUL 2026 · last seen OCT 2026
  • SAM.gov entity registrationOPERATING
    Record PJHANNALLLW6 · first seen OCT 2025 · last seen SEP 2026
  • EPA Facility Registry ServiceEXISTENCE
    Record 110005187886 · first seen JAN 2011 · last seen JAN 2011

ALSO RECORDED ASPROTOLINE; TRYLENE, INC.

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.

NameSOURCES DISAGREE
EPA: PROTOLINE · JUL 2026
SAM.gov: TRYLENE, INC. · SEP 2026
Street addressSOURCES DISAGREE
EPA: 10650 STANCLIFF ROAD · JUL 2026
SAM.gov: 10650 STANCLIFF RD · SEP 2026 · ON THIS PAGE
City
EPA: HOUSTON · JUL 2026 · ON THIS PAGE
SAM.gov: HOUSTON · SEP 2026 · ON THIS PAGE
State
EPA: TX · JUL 2026 · ON THIS PAGE
SAM.gov: TX · SEP 2026 · ON THIS PAGE
County (FIPS code)
EPA: 48201 · SEP 2026
CoordinatesSOURCES DISAGREE
Census geocoder: 29.6583435094,-95.566034233058 · JUL 2026
EPA: 29.65852,-95.56661 · JUL 2026 · ON THIS PAGE
Website
SAM.gov: https://www.trylene.com · SEP 2026
CAGE code
SAM.gov: 7M6V9 · SEP 2026
SAM registration expires
SAM.gov: 2027-09-18 · SEP 2026

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