Gp/rm Prestress, LLC

• WARN notice · filed JAN 21, 2020 — recorded; it does not change the status

Notices filed with the state under the federal WARN Act, as the state publishes them, collected by the WARN Act notices feed (CC BY 4.0). A notice records what the employer told the state; it is not by itself proof that the plant closed.

What they make

• building products
• piles
• parking
• Hawaiian Islands
• Keauhou Lane

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

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
PSPhilip Services Hawaii LTD	Kapolei	Other Concrete Product Manufacturing 327390	◇ UNVERIFIED	0.1 KM
HBHNL Bomat	Kapolei	Other Concrete Product Manufacturing 327390	◐ LIKELY ACTIVE	0.6 KM
Tileco INC	Kapolei	Concrete Block and Brick Manufacturing 327331	● ACTIVE	1.4 KM
Island Ready-mix Concrete INC	Kapolei	Ready-Mix Concrete Manufacturing 327320	● ACTIVE	1.8 KM
H C & D LLC	Honolulu	Ready-Mix Concrete Manufacturing 327320	● ACTIVE	20.7 KM

Every listed plant in Honolulu County

Also at this address

No other federal record shares this street address.

Where this record comes from

6 sources hold this plant, and 11 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 AIR, AIRS/AFS, HI-EHW, NPDES, OSHA-OIS, TRIS · EPA site type STATIONARY.

• The company’s own websiteOPERATING
  first seen JUL 2026 · last seen OCT 2026
• SAM.gov entity registrationOPERATING
  Record WBQ4JTULWS36 · first seen APR 2026 · last seen APR 2026
• OSHA injury and illness reportsOPERATING
  Record 1469177 · first seen DEC 2025 · last seen DEC 2025
• EPA Facility Registry ServiceEXISTENCE
  Record 110013789962 · first seen MAY 2022 · last seen MAY 2022
• SBA Paycheck Protection Program loan recordsEXISTENCE
  Record HI|kapolei|91 063 malakole st · first seen MAR 2021 · last seen MAR 2021
• State WARN plant-closing and layoff noticesEXISTENCE
  first seen JAN 2020 · last seen JAN 2020

ALSO RECORDED AS14004 GP RM PRESTRESS, LLC; GPRM PRESTRESS LLC (1)

IN HONOLULU COUNTY16 other plants share this one’s industry (Cement and Concrete Product Manufacturing, NAICS 3273); 6 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: GPRM PRESTRESS LLC (1) · JUL 2026

SAM.gov: GP/RM PRESTRESS, LLC · APR 2026 · ON THIS PAGE

Street address

EPA: 91-063 MALAKOLE ST · JUL 2026 · ON THIS PAGE

SAM.gov: 91-063 MALAKOLE ST · APR 2026 · ON THIS PAGE

City

EPA: KAPOLEI · JUL 2026 · ON THIS PAGE

SAM.gov: KAPOLEI · APR 2026 · ON THIS PAGE

State

EPA: HI · JUL 2026 · ON THIS PAGE

SAM.gov: HI · APR 2026 · ON THIS PAGE

County (FIPS code)

EPA: 15003 · SEP 2026

CoordinatesSOURCES DISAGREE

Census geocoder: 21.313594329802,-158.091685145815 · JUL 2026 · ON THIS PAGE

EPA: 21.31948,-158.116295 · JUL 2026

Employees (band)

OSHA: 100-499 · DEC 2025

Website

SAM.gov: https://www.gprmp.com/ · APR 2026

CAGE code

SAM.gov: 62BK2 · APR 2026

PPP loan

SBA PPP: PPP loan x1, approved 2021-03-18, 68 jobs reported · MAR 2021

SAM registration expires

SAM.gov: 2027-04-03 · APR 2026