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Ralph S. Inouye Co., Ltd.

UEI: SLED_035B357FFAF01FCA

Ralph S. Inouye Co., Ltd. is a federal contractor, registered under UEI SLED_035B357FFAF01FCA. It has been awarded $76,561,600 across 4 federal contracts. Primary work spans Unknown NAICS. Top awarding agencies include Department of Education, City & County of Honolulu, and Transportation.

Contact Information

Registration and classification details

Registration

UEI Code

SLED_035B357FFAF01FCA

Federal Contracting Overview

Award totals, agency breakdown, NAICS distribution, and geographic footprint.

AI Capability Profile

Ralph S. Inouye Co., Ltd. provides comprehensive general contracting and facility modernization services, specializing in design-build projects and complex infrastructure renovations. Their technical expertise includes the installation of vertical transportation systems, such as elevators, and the e...

Key Performance Metrics

Awards Count

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Past period of performance

Total Awards

All time

Contracts

Prime · all time

Subcontracts

Sub · all time

Grants

Prime · all time

Subgrants

Sub · all time

Award Analytics & Distribution

Awards by Agency

Department of Education$59.7M78%

City & County of Honolulu$9.9M12.9%

Transportation$6.9M9.1%

Awards by NAICS

- Unknown NAICS$76.6M100%

Awards by Agency Over Time

Awards by Place of Performance

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Landscape Material Supply

Department of Transportation

POSTED

DEADLINE

Chemical Application & Fertilization Services

Department of Transportation

POSTED

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Certified Arborist Services

Department of Transportation

POSTED

DEADLINE

General Landscape Maintenance

Department of Transportation

POSTED

DEADLINE

Structural Material Supply

Department of Transportation

POSTED

DEADLINE

in about 1 month

Cold Planing / Pavement Milling

Department of Transportation

POSTED

DEADLINE

in about 1 month

Concrete Structures Construction

Department of Transportation

POSTED

DEADLINE

in about 1 month

Excavation and Backfill (Structures & Drainage)

Department of Transportation

POSTED

DEADLINE

in about 1 month

Structure and Obstruction Removal

Department of Transportation

POSTED

DEADLINE

in about 1 month

Site Clearing and Grubbing

Department of Transportation

POSTED

DEADLINE

in about 1 month

NH-093-1(035) Farrington Highway Widening

Solicitation # B27000387

The Farrington Highway Widening project, solicitation B27000387, is an invitation for bids issued by the Hawaii Department of Transportation to develop an auxiliary lane between Nanakuli Avenue and Mohihi Street in the District of Ewa, Oahu. The scope of work includes excavation, cold-planing, paving, striping, signage, drainage structure modifications, and the installation of retaining walls. The estimated construction cost is between 35 million and 37 million dollars, with a performance period of 780 calendar days from the start work date. Bidders must hold a valid State of Hawaii General Engineering A license and submit their proposals via HiePRO by October 28, 2026. The contract will be awarded to the lowest responsible and responsive bidder based on the summation of unit bid prices and approximate quantities. Key requirements include the submission of a surety bid bond for proposals exceeding 25,000 dollars, as well as performance and labor and material payment bonds. The project adheres to federal and state regulations, including the Davis-Bacon Act, the Build America, Buy America Act, and Hawaii Revised Statutes Chapter 103D. Contractors are required to comply with strict prompt payment terms, paying subcontractors within 10 calendar days of receiving progress payments from the agency. Final acceptance is determined by the Engineer based on full compliance with contract documents, including specific quality standards for pavement smoothness and compaction.

Department of Transportation

POSTED

DEADLINE

in about 1 month

BO1741-73 Landscape Maintenance at HNL

Solicitation # B01741-73

The State of Hawaii Department of Transportation is soliciting bids for landscape maintenance services at the Daniel K. Inouye International Airport (HNL) for fiscal year 2027. The contractor is responsible for providing all labor, materials, and equipment to maintain designated areas on an as-is basis. Key deliverables include daily watering and maintenance from Monday through Friday, debris removal three times per week, and root-level weeding. The scope also encompasses monthly hedge trimming, quarterly and semi-annual tree trimming, and fertilization services. To be eligible, bidders must hold a valid State of Hawaii Specialty Contractors C-27 license. Additionally, a Certified Arborist with at least five years of local experience must be onsite during all tree and hedge trimming, and all chemical applications must be performed by certified personnel. The contract will be awarded to the lowest responsive and responsible bidder based on the total amount for comparison of bids, with a five percent preference available for qualifying Hawaii bidders. The base term includes an option to extend for up to three additional twelve-month periods, with a maximum total contract duration of forty-eight months. Payment is made monthly, subject to a five percent retainage. Requirements for the successful bidder include providing performance and payment bonds, maintaining auto liability insurance of at least five million dollars per accident, and ensuring personnel undergo background checks for Air Operations Area (AOA) access. Proposals must be submitted via the HIEPRO portal by October 8, 2026, at 2:00 p.m. HST.

Department of Transportation

POSTED

DEADLINE

Supply of Specialized Electronic Components for Airport Information SystemsThis subcontract for the Hawaii Department of Transportation focuses on the supply of specialized electronic components for airport information systems. The contractor is responsible for providing replacement parts, hardware, and loaner units to prime contractors, specifically delivering LED display modules, PA system amplifiers, GMS controllers, and FIDS server hardware. To ensure system compatibility and minimize downtime, all equipment must meet SITA and IED specifications. Eligible providers must maintain status as an authorized manufacturer or distributor of SITA and IED equipment. The solicitation was posted on September 4, 2026, with a response deadline of September 29, 2026. The contract falls under NAICS code 423610 and is designed to support the operational efficiency of airport infrastructure projects across the state.

Department of Transportation

POSTED

DEADLINE

Integrated Maintenance of Airport Information & Communication SystemsThis subcontract for the Hawaii Department of Transportation involves the integrated maintenance of airport information and communication systems. The selected provider will perform monthly preventive and corrective maintenance, including inspections, testing, lubrication, and scheduled overhauls for FIDS, PAS, ANDS, GMS, and Roadway LED Digital Signs. Key responsibilities include managing system backups every six months and providing daily single-point-of-contact coordination to ensure the delivery of operational systems and detailed maintenance logs. To qualify, contractors must possess a C-15 or C-13 Hawaii license along with SITA and IED factory certifications. This opportunity falls under NAICS code 811310, with a response deadline of September 29, 2026.

Department of Transportation

POSTED

DEADLINE

BO1722-53 MAINTENANCE ELECTRONIC INFORMATION CONVEYING SYSTEMS

Solicitation # BO1722-53

The Department of Transportation for the State of Hawaii is seeking a contractor for solicitation B27000365 to perform maintenance on the electronic information conveying systems at Daniel K. Inouye International Airport. This project is located in Oahu, Hawaii, and is managed by the SLED organization type. Interested parties must submit their responses by the deadline of September 29, 2026. The primary point of contact for this solicitation is Rachael Hui Jin Park, and further details can be accessed through the Hawaii Electronic Procurement System.

Department of Transportation

POSTED

DEADLINE

Erosion Control & BMP InstallationThis subcontract for Erosion Control and BMP Installation supports prime contractors on Hawaii Department of Transportation projects located in Oahu. The scope of work involves the installation and maintenance of site-specific Best Management Practices, including hydro-mulching, the placement of silt fences and check dams, and the upkeep of wheel washes and stabilized construction entrances. The contractor is responsible for ensuring all measures are functional and compliant with NPDES permit conditions. Key deliverables include the provision of weekly rain gage data logs and the continuous monitoring of site data to maintain environmental compliance. The solicitation was posted on August 28, 2026, with a response deadline of September 26, 2026, under NAICS code 561730.

Department of Transportation

POSTED

DEADLINE

Traffic Control & Work Zone ManagementThis subcontract for Traffic Control and Work Zone Management supports prime contractors on Hawaii Department of Transportation concrete repair projects throughout Oahu. The scope of work involves the installation of warnings, diversions, and the management of detours using cones, signage, and arrow boards to ensure a secured and safe work zone. All operations must be performed in strict compliance with MUTCD, HIOSH, and HDOT safety standards as well as applicable traffic laws. The opportunity is categorized under NAICS code 561990 and was posted on August 28, 2026, with a response deadline of September 26, 2026. This project is managed by the Hawaii Department of Transportation and focuses on providing essential traffic control and barricade services to maintain safety and efficiency during infrastructure repairs.

Department of Transportation

POSTED

DEADLINE

Concrete Repair & Installation (PCC)This subcontract opportunity involves the repair and replacement of reinforced Portland cement concrete sidewalks, curbs, gutters, and median barriers for prime contractors on Hawaii Department of Transportation projects located in Oahu. The scope of work includes the removal of cracked or depressed concrete and the installation of new reinforced PCC in strict accordance with ACI and ADA/ADAAG standards to deliver high-quality repaired infrastructure. Eligible bidders must possess a Hawaii Specialty Contractor's C-31 or C-31a license. The solicitation was posted on August 28, 2026, with a response deadline of September 26, 2026. This project falls under NAICS code 238110 and is managed by the Hawaii Department of Transportation.

Department of Transportation

POSTED

DEADLINE