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4-D CONSTRUCTION COMPANY

UEI: EHCPLTA812Q9

4-D CONSTRUCTION COMPANY is a federal contractor, registered under UEI EHCPLTA812Q9. It has been awarded $5,574,449 across 98 federal contracts. Primary work spans Construction, Mining, and Forestry Machinery and Equipment Rental and Leasing, Other Heavy and Civil Engineering Construction, and Water and Sewer Line and Related Structures Construction. Top awarding agencies include Department Of Agriculture and Department Of Defense.

Contact Information

Registration and classification details

Registration

UEI Code

EHCPLTA812Q9

Federal Contracting Overview

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

Key Performance Metrics

Awards Count

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All time

Active

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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 Agriculture$2.9M51.5%

Department Of Defense$2.7M48.5%

Awards by NAICS

532412 - Construction, Mining, and Forestry Machinery and Equipment Rental and Leasing$1.8M33.1%

237990 - Other Heavy and Civil Engineering Construction$1.5M26.8%

237110 - Water and Sewer Line and Related Structures Construction$696.8K12.5%

237310 - Highway, Street, and Bridge Construction$366.5K6.6%

- Unknown NAICS$325.0K5.8%

238990 - All Other Specialty Trade Contractors$265.4K4.8%

115310 - Support Activities for Forestry$154.2K2.8%

234120 - Unknown NAICS$122.0K2.2%

236220 - Commercial and Institutional Building Construction$110.3K2%

238210 - Electrical Contractors and Other Wiring Installation Contractors$94.0K1.7%

234930 - Unknown NAICS$28.8K0.5%

Others - Other NAICS codes (6 codes, <0.5% each)$71.6K1.3%

Awards by Agency Over Time

Awards by Place of Performance

Open opportunities in 4-D CONSTRUCTION COMPANY's top NAICS codes and agencies

AIRFIELD 2028 ALL PROJECTS (AIP / AUI / CIRCUITS / FOD) CombinedThe contract targets comprehensive upgrades to the airfield infrastructure at the Port of Seattle, focusing on modernizing lighting systems by replacing circuits with low megger readings and installing energy-efficient LED fixtures and signage throughout the airfield. Parallel efforts will address deteriorating pavement and critical utilities to ensure operational safety and longevity. Wildlife hazard management is a key component, involving the removal of turf edge dams along runways, taxiways, and access roads, installation of anti-perching devices on airfield signs, and mitigation of ponding through regrading and new storm drainage systems to reduce bird activity and water accumulation. Additionally, failing flush fire hydrant access hatches will be replaced to improve emergency response access and compliance with safety standards. The project is forecasted under NAICS code 237990 and is managed by the Aviation Project Management Group, with Yanet Maldonado listed as the primary point of contact for inquiries.

Aviation Project Management Group

POSTED

about 4 hours ago

DEADLINE

AIRFIELD 2029 ALL PROJECTS (AIP / AUI / CIRCUITS / FOD) CombinedThe contract encompasses a broad range of airfield infrastructure improvements at the Port of Seattle, focusing on modernization and safety enhancements across multiple systems. Key components include replacing airfield lighting circuits with low megger readings with new LED fixtures and signs to improve reliability and energy efficiency, replacing deteriorating pavement and critical utilities to maintain operational integrity, and implementing comprehensive wildlife hazard management measures such as removing turf edge dams, installing anti-perching devices on signs, and regrading areas with new storm drainage to eliminate ponding and reduce bird attractants. Additionally, failing flush fire hydrant access hatches will be replaced to ensure rapid and unobstructed access for emergency response. The project is part of the AIRFIELD 2029 ALL PROJECTS initiative, classified under NAICS code 237990 for other heavy and civil engineering construction, and is managed by the Aviation Project Management Group under the Port of Seattle. Solicitations are open with a posted date of July 31, 2026, and inquiries should be directed to Yanet Maldonado, the primary point of contact. The work is critical to maintaining airfield safety, regulatory compliance, and long-term operational readiness, with all efforts centered on upgrading aging infrastructure to meet current aviation standards.

Aviation Project Management Group

POSTED

about 4 hours ago

DEADLINE

AIRFIELD 2030 ALL PROJECTS (AIP / AUI / CIRCUITS / FOD) CombinedThe contract encompasses a broad range of airfield infrastructure upgrades at the Port of Seattle, focusing on enhancing safety, efficiency, and compliance. Key components include replacing aging airfield lighting circuits with low megger readings with modern LED fixtures and signs to improve visibility and reduce maintenance costs. Concurrently, failing pavement sections and critical utilities will be removed and replaced to ensure structural integrity and operational reliability. Wildlife hazard mitigation measures involve removing turf edge dams along runways, taxiways, and access roads, installing anti-perching devices on signs to deter birds, and addressing ponding issues through regrading and new storm drainage infrastructure. Additionally, deteriorating flush fire hydrant access hatches will be replaced to ensure rapid access for emergency response teams. The project is categorized under NAICS code 237990 and falls under the Aviation Project Management Group, with the Port of Seattle as the overseeing agency. The solicitation is posted as a forecast with no set-aside classification, indicating it is open to all eligible contractors. Primary point of contact for inquiries is Yanet Maldonado, reachable via email or phone, and additional details can be accessed through the provided portal link. The project is anticipated to begin after the posted date in July 2026, with all work taking place at the airport facility.

Aviation Project Management Group

POSTED

about 4 hours ago

DEADLINE

Checkpoint Security Grill Replacement - DBBThe Port of Seattle through its Aviation Project Management Group is forecasting a procurement under NAICS code 236220 for the full design, permitting, and construction services to replace the Checkpoint 5 security grill. The scope encompasses a comprehensive range of activities including site assessment, development of design drawings and technical specifications compliant with TSA CRPG Section 3-5, submission for regulatory review and permit acquisition, demolition and proper disposal of the existing grill, fabrication and installation of the new system, and seamless integration with existing structural, electrical, and security badge access systems. Coordination with all relevant stakeholders is required to ensure adherence to safety and operational standards while minimizing disruption to airport functions. The project is structured under a design-build-bid delivery method and is being managed by the Port of Seattle with primary contact Yanet Maldonado and project manager Collette Deardorff available for inquiries. The solicitation was posted on July 31, 2026, and while no specific award date or set-aside details are provided, the location of performance is tied to the Port of Seattle’s facilities. All work must be executed with strict attention to federal security requirements and operational continuity in a high-traffic aviation environment.

Aviation Project Management Group

POSTED

about 4 hours ago

DEADLINE

Fleet Fast EV Charging - ConstructionThe Port of Seattle’s Aviation Project Management Group is forecasting a construction contract for fast EV charging infrastructure, aligned with NAICS code 237310 for Electrical and Other Wiring Installation. The solicitation is set to be released on July 31, 2026, and will focus on the installation of high-capacity electric vehicle charging systems to support fleet operations, likely targeting airport and ground service equipment. The project is expected to involve site preparation, electrical upgrades, and integration of charging hardware and software systems at unspecified locations within the Port’s aviation facilities. Key contacts for inquiries are Angela Peterson, the primary point of contact, and Katie Techa, the Project Manager, who can be reached via phone or email provided for further details. No set-aside provisions or eligibility restrictions are indicated at this time.

Aviation Project Management Group

POSTED

about 4 hours ago

DEADLINE

Elevator Lobby 2 Way CommunicationsThe contract involves the installation of 23 new two-way communication boxes in elevator lobbies across the terminal, including 17 passenger elevators, three service elevators, and three ramp landing elevators. This work is part of a broader effort to enhance emergency communication infrastructure within the airport facility and is being managed by the Aviation Project Management Group under the Port of Seattle. The project is forecasted with a posting date of July 31, 2026, and falls under NAICS code 238210, indicating it pertains to electrical contracting services. Primary point of contact is Angela Peterson, with Christina Burdett serving as the project manager, and all correspondence should be directed through the provided email addresses and phone numbers. The work location is at the Port of Seattle facility, though specific city or state details are not provided in the data.

Aviation Project Management Group

POSTED

about 4 hours ago

DEADLINE

Jack Block Park Pier ReplacementThe Northwest Seaport Alliance, acting through the Port of Seattle, is forecasting a project to demolish the existing end-of-life pier at Jack Block Park and construct a new pier in its place, along with associated repairs to the pier plaza. This effort aims to modernize aging infrastructure to ensure safety, functionality, and long-term durability for public use and maritime operations. The North American Industry Classification System code 237990 indicates the work falls under other heavy and civil engineering construction, encompassing the full scope of demolition, new construction, and site improvements. The primary point of contact for inquiries is Yanet Maldonado, with Valerie Huffman serving as the project manager, both reachable through the Port of Seattle's official channels. The forecast notice was posted on July 31, 2026, signaling an upcoming procurement process that will solicit qualified contractors to deliver the project at the designated site in Jack Block Park.

Northwest Seaport Alliance (NWSA)

POSTED

about 4 hours ago

DEADLINE

Variable Frequency Drives (VFD) Replacement Phase 3 (DBB)The Port of Seattle will replace 125 aging Robicon variable frequency drives (VFDs) with new equipment as part of Phase 3 of its VFD Replacement initiative. This effort aims to upgrade outdated infrastructure to ensure system reliability and improve operational efficiency across aviation facilities and infrastructure. The new VFDs will be fully integrated with the Port’s Direct Digital Controller (DDC) system to enable real-time energy usage monitoring, output control readings, and efficiency tracking, enhancing the Port’s ability to manage power consumption and maintain optimal performance. The scope includes all necessary wiring, testing, commissioning, and installation of associated equipment required to deliver a fully functional and synchronized system. The work falls under NAICS code 238210 and is managed by the Aviation Facilities & Infrastructure division, with technical oversight from Project Manager Sharon Miick and primary point of contact Yanet Maldonado. Although the solicitation number and set-aside details are not specified, the forecast was posted on July 31, 2026, signaling upcoming procurement activities. The project is critical for modernizing the Port’s electrical infrastructure and supporting long-term sustainability goals through precise control and monitoring of motor-driven systems. All work must be performed on-site at the Port’s facilities, with full accountability for system integration, performance validation, and operational readiness upon completion.

Aviation Facilities & Infrastructure

POSTED

about 4 hours ago

DEADLINE

Operational Security Cameras Bagwell and North Cargo AreasThe contract requires the provision of design, permitting, and construction services to install 50 high-resolution cameras across 43 sites in the Bagwell and North Cargo Operations areas of the Port of Seattle. The primary objective is to enhance security and enforcement capabilities by replacing outdated systems with improved coverage, specifically targeting main terminal drive lanes and entrances previously unmonitored, with the goal of supporting forensic investigations and adherence to port movement rules. In the Bagwell area, the new cameras will shift focus from conveyor systems and security doors to critical transit corridors, while the North Cargo operations will benefit from flexible, user-controlled Pan Tilt Zoom units that provide broad surface area monitoring and dynamic viewing capabilities to address operational gaps. All work must be completed in accordance with specified technical and operational standards to ensure seamless integration with existing security infrastructure. The project is managed by the Aviation Project Management Group under the Port of Seattle, with primary point of contact Angela Peterson and Project Manager Randa Williams available for coordination. The North American Industry Classification System code 238210 identifies this as a specialty trade contracting effort focused on electrical and communication system installation. Although the solicitation has not yet been formally issued, the forecasted posting date is July 31, 2026, indicating this is a forward-looking opportunity for qualified contractors to prepare proposals. The place of performance is within the Port of Seattle’s operational boundaries, and all contractors must be prepared to navigate port-specific logistics, security protocols, and environmental constraints during installation and commissioning.

Aviation Project Management Group

POSTED

about 4 hours ago

DEADLINE

2027 Airfield Project - Contract 1The Port of Seattle’s Aviation Project Management Group is forecasting a comprehensive airfield modernization initiative under Contract 1 for 2027, focused on upgrading critical infrastructure to enhance safety, efficiency, and compliance. The project encompasses replacing aging airfield lighting circuits with low megger readings with new LED fixtures and signage, improving visibility and reducing maintenance loads. Simultaneously, failing pavement sections and essential utilities throughout the airfield will be reconstructed to ensure structural integrity and operational reliability. Wildlife hazard mitigation is a major component, involving the removal of turf edge dams along runways, taxiways, and access roads, installation of anti-perching devices on airfield signs to deter birds, and the regrading of low-lying areas coupled with new storm drainage systems to eliminate ponding that attracts wildlife. Additionally, degraded flush fire hydrant access hatches will be replaced to ensure rapid and unobstructed access for emergency response crews. The project falls under NAICS code 237990 and is managed by the Port of Seattle, with Jay Kim as the primary point of contact and Mengqi Wu serving as the project manager. The solicitation is publicly available through the Port’s portal, though no set-aside type has been specified.

Aviation Project Management Group

POSTED

about 4 hours ago

DEADLINE

2027 Airfield Project - Contract 2The contract involves comprehensive upgrades to the airfield infrastructure at the Port of Seattle, focusing on critical safety and operational enhancements. Key components include replacing airfield lighting circuits with low megger readings and installing new LED lighting fixtures and signs to improve visibility and energy efficiency. Aging pavement and essential utilities will be replaced to ensure structural integrity and reliable service. Wildlife hazard mitigation efforts will remove turf edge dams along runways and taxiways, install anti-perching devices on airfield signs to deter birds, and address ponding issues through regrading and the installation of new storm drainage systems. Additionally, failing flush fire hydrant access hatches will be replaced to ensure unimpeded access for emergency response. The work is scheduled under the 2027 Airfield Project – Contract 2, managed by the Aviation Project Management Group, with primary contact details provided for Moraa Omwega and Project Manager David Neds.

Aviation Project Management Group

POSTED

about 4 hours ago

DEADLINE

Rental Car Facility (RCF) Customer Service Building (CSB) Re-DemisingThe contract involves a comprehensive renovation and structural upgrade of the Customer Service Building at the Rental Car Facility to prepare for a new concession agreement and tenant construction beginning June 1, 2027. Key improvements include updating wayfinding signage to reflect new tenant layouts, constructing a new break room and flex space to support transit operations, renovating existing restrooms, and replacing outdated car wash equipment in the Quick Turn Around areas. Structural enhancements are also required to address cracking and repair post-tension cables, along with replacing expansion joints on the fifth floor plaza areas to ensure long-term durability and safety. These modifications are designed to modernize the facility and align its infrastructure with future operational needs. The project is managed by the Port of Seattle’s Aviation Project Management Group, with official point of contact Angela Peterson and Project Manager Julia Ruzon overseeing procurement and implementation. The work falls under NAICS code 236220, indicating commercial building construction, and is forecasted with a posted date of July 31, 2026. While no solicitation number or set-aside details are provided, the scope underscores a major capital improvement initiative focused on functionality, tenant readiness, and structural integrity for a high-traffic facility serving airport operations.

Aviation Project Management Group

POSTED

about 4 hours ago

DEADLINE

Rental Car Facility (RCF) Quick Turn Around (QTA) Area Fire Suppression System Replacement (Re-bid)The Port of Seattle’s Aviation Project Management Group is planning to replace the existing Aqueous Film Forming Foam (AFFF) fire suppression system at the Rental Car Facility located in SeaTac with a full dry chemical system to eliminate contamination from per- and polyfluoroalkyl substances (PFAS). The project entails the complete removal of the current foam-based system, including all contaminated components such as tanks, piping, and sprinkler heads, followed by the design and installation of a new dry system comprising new storage tanks, control valves, pumps, sprinkler lines, and sprinkler heads, along with reserve tanks for system integrity. The new system must be fully integrated with the facility’s existing Fire Alarm System to ensure seamless operation and compliance with safety protocols. The work is classified under NAICS code 238210 and is being advertised as a re-bid under the title Rental Car Facility (RCF) Quick Turn Around (QTA) Area Fire Suppression System Replacement, targeting an efficient and timely execution to minimize service disruption. Primary point of contact for inquiries is Todd Rehm, with Pat Nakamura serving as the Project Manager.

Aviation Project Management Group

POSTED

about 4 hours ago

DEADLINE

T18 Lift Station ReplacementThe Port of Seattle through its Waterfront Project Management division is preparing to replace the entire lift station located at the north lunchroom in Terminal 18. This project is classified under NAICS code 237990, indicating it relates to other heavy and civil engineering construction activities, specifically targeting the removal and installation of a fully functional wastewater lift system. The solicitation was posted on July 31, 2026, and is currently listed as a forecast, meaning it is an early indication of procurement intent without an open bid at this time. The work will require complete replacement of the existing infrastructure to ensure continued operational reliability and compliance with safety and environmental standards. Primary contact for inquiries is Angela Peterson, reachable via phone or email, with Crystal Cuellar serving as the project manager overseeing execution. The place of performance is confirmed as Terminal 18, though specific address details are not provided in the data.

Waterfront Project Management

POSTED

about 4 hours ago

DEADLINE

T18 Water Main Replacement - ConstructionThe contract entails the replacement of approximately 20,000 feet of water main infrastructure within the east 100 acres of Terminal 18, including related fittings, valves, hydrants, and associated water service lines. This project is scoped to modernize and upgrade the existing water distribution system to ensure reliability, improve operational efficiency, and meet current safety and regulatory standards for port infrastructure. The work will require coordinated construction activities across a densely used terminal area, demanding careful planning to minimize disruption to ongoing port operations. The contract is forecasted by the Northwest Seaport Alliance, operating under the Port of Seattle, with a NAICS code of 237110 indicating it falls under water and sewer line and related structures construction. Primary contact for inquiries is Angela Peterson, with Greg Stamatiou serving as the Project Manager. The solicitation was posted on July 31, 2026, and all relevant details and submission requirements can be accessed through the provided portal link. While no set-aside provisions are indicated, interested parties should prepare to meet the technical and logistical demands of performing utility replacement in an active maritime environment.

Northwest Seaport Alliance (NWSA)

POSTED

about 4 hours ago

DEADLINE

Həʔapus Park Redevelopment - ConstructionThe Həʔapus Park Redevelopment project, managed by the Port of Seattle under Waterfront Project Management, will deliver a comprehensive upgrade to park infrastructure including new restrooms, enhanced pathways and lighting, a boot washing station, dog-friendly amenities, wayfinding and interpretive signage, and a hand-carrying boat launch. Work will be carefully phased to comply with environmental permitting requirements, particularly for in-water construction activities, and will be timed to avoid disruption to tribal fisheries. The project is targeted for substantial completion by the second quarter of 2028. Primary contact for inquiries is Angela Peterson, with Julie Yun serving as Project Manager, and further details can be accessed through the Port’s official solicitation portal.

Waterfront Project Management

POSTED

about 4 hours ago

DEADLINE

Parking Garage UPSThe contract involves the demonstration and full replacement of the existing uninterruptible power supply (UPS) system in a parking garage that supports critical operations including ticketing kiosks and automated gates. The scope includes installing new UPS equipment along with associated electrical infrastructure such as subpanels, feeders, disconnects, and circuit breakers to ensure reliable backup power. The new UPS system will feature integrated data connections to enable remote alarm monitoring and system diagnostics, enhancing operational awareness and response capabilities. All work will be performed at the Port of Seattle’s parking facility, under the oversight of the Aviation Project Management Group. The project is forecasted to be released on July 31, 2026, with no set-aside provisions indicated and NAICS code 238210 specifying electrical contracting services. Primary point of contact is Yanet Maldonado, reachable via email and phone, with JJ Jordan serving as the project manager for coordination and technical inquiries. All work must comply with the operational and safety standards required by the Port of Seattle, and performance is expected to be completed at the designated parking garage location without specified alternative sites.

Aviation Project Management Group

POSTED

about 4 hours ago

DEADLINE

Emerson St. Sinkhole RepairThe contract involves repairing a sinkhole caused by a disconnected segment of stormwater drain line that previously fed into the main King County sewer line beneath Emerson Street. The work includes excavation, removal of the damaged section, installation of a new stormwater pipe, and creating a secure connection to the main line. The project also requires backfilling and repaving the roadway with asphalt to restore surface integrity. Significant traffic control measures are necessary due to the location on a busy thoroughfare, where multiple lanes will be affected during construction. The project is managed by the Port of Seattle through its Waterfront Project Management division, with primary contact information provided for Marilynn Montenegro and Project Manager Brandon Klett. The work is classified under NAICS code 237110, indicating it falls under sewer and stormwater infrastructure construction, and was posted as a forecast on July 31, 2026.

Waterfront Project Management

POSTED

about 4 hours ago

DEADLINE