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CONSTRUCCIONES CASTILLO FERNANDEZ, S.R.L. Santo Domingo Oeste SANTO DOMINGO 11001 DOM

UEI: SLED_72D47BD22D36FAE3

CONSTRUCCIONES CASTILLO FERNANDEZ, S.R.L. Santo Domingo Oeste SANTO DOMINGO 11001 DOM is a federal contractor, registered under UEI SLED_72D47BD22D36FAE3. It has been awarded $925,071 across 1 federal contract. Primary work spans Unknown NAICS. Top awarding agencies include Navfacsyscom Southeast.

Contact Information

Registration and classification details

Registration

UEI Code

SLED_72D47BD22D36FAE3

Federal Contracting Overview

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

Key Performance Metrics

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Total Awards

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Award Analytics & Distribution

Awards by Agency

Navfacsyscom Southeast$925.1K100%

Awards by NAICS

- Unknown NAICS$925.1K100%

Awards by Agency Over Time

Awards by Place of Performance

Open opportunities in CONSTRUCCIONES CASTILLO FERNANDEZ, S.R.L. Santo Domingo Oeste SANTO DOMINGO 11001 DOM's top NAICS codes and agencies

Design-Bid-Build (DBB), Firm-Fixed-Price (FFP), Construction Contract for P617 Transit Protection Program Facility at Naval Submarine Base (NSB) Kings Bay, Georgia

Solicitation # N6945026R0012

The contract is a Design-Bid-Build, Firm-Fixed-Price construction solicitation for the P617 Transit Protection Program Facility at Naval Submarine Base Kings Bay, Georgia, issued under solicitation number N6945026R0012 by Navfacsyscom Southeast, a component of the Department of Defense based in NAS Jacksonville, Florida. The project falls under NAICS code 237990, indicating it is a heavy civil engineering construction effort with no specified line-item pricing or estimated contract value provided, as the solicitation is still in the pre-bid phase. The deadline for proposal submission is August 14, 2026, and the place of performance is confirmed as Kings Bay, Georgia, with ZIP code 31547. The Department of Defense will conduct final inspection and acceptance at the facility site, with compliance mandated under the Davis-Bacon Act to ensure prevailing wage rates are paid to laborers and mechanics. A Project Labor Agreement questionnaire is included as part of the solicitation, exploring contractor interest and potential impacts of requiring a PLA, though no formal PLA clause has been adopted or included as an alternate requirement. No detailed statement of work, technical specifications, packaging requirements, or performance schedule is available in the provided documents, and no specific contract administration data such as payment offices, invoicing methods, COR/COTR contacts, or appropriation codes are provided. While the contract type is Firm-Fixed-Price, suggesting a Lowest Price Technically Acceptable evaluation approach, no explicit evaluation factors, weights, or award criteria are outlined. Security access to the sensitive naval installation will require appropriate personnel clearances, though no specific clearance level is stated. All representations and certifications from respondents remain uncompleted, including size status, socioeconomic certifications, and UEI/CAGE details, and no clause listings, attachments, or pricing sections are present beyond the solicitation metadata and PLA questionnaire.

Navfacsyscom Southeast

POSTED

DEADLINE

Supply of Genetically Improved Loblolly Pine SeedlingsThe contract entails the supply of containerized, genetically improved loblolly pine seedlings to meet specific ecological standards in Kemper and Lauderdale Counties, Mississippi, with an estimated total of approximately 60,384 seedlings to be planted at a density of 544 per acre across 111 acres. The seedlings must comply with ecological specifications to ensure environmental suitability and long-term forest health within the designated region. The solicitation is structured as a subcontract under a Small Business Set Aside designation, reserved exclusively for small businesses as defined by the SBA, reinforcing the goal of promoting small business participation in federal contracting. The North American Industry Classification System code 111421 applies, indicating the work falls under Forestry and Logging services. The contracting activity is managed by Navfacsyscom Southeast under the Department of Defense, with performance required in Meridian, Mississippi, at the ZIP code 39309. The opportunity was posted on July 31, 2026, and responses must be submitted no later than August 14, 2026, at 6:30 p.m. The nature of the contract focuses on ecological forestry outcomes, requiring compliance with genetic and ecological standards rather than merely volume or cost benchmarks, emphasizing quality and environmental stewardship in reforestation efforts.

Navfacsyscom Southeast

POSTED

DEADLINE

Reforestation & Tree Planting ServicesThe contract requires the hand-planting of 111 acres with genetically improved containerized loblolly pine seedlings specifically suited for Kemper and Lauderdale Counties in Mississippi, ensuring ecological compatibility and adherence to established survival benchmarks. All work must be conducted in accordance with reforestation standards that prioritize long-term forest health and site-specific adaptability, with an emphasis on achieving high seedling survival rates and sustainable growth outcomes. The task is part of a broader effort to restore and enhance forested lands under the jurisdiction of the Department of Defense through its Navfacsyscom Southeast office. This subcontract is designated as a Small Business Set Aside - Total under NAICS code 115310, reserved exclusively for small businesses to promote economic opportunity and local engagement in federal land management initiatives. Bids must be submitted by August 14, 2026, at 6:30 PM Eastern Time, with the solicitation posted on July 31, 2026. The place of performance is centered in Meridian, Mississippi, with all planting activities required to occur within the targeted counties. The contract does not specify a point of contact, and applicants are expected to rely on the official SAM. gov platform for solicitation details and submission guidelines.

Navfacsyscom Southeast

POSTED

DEADLINE

Aerial Herbicide Spraying ServicesAerial herbicide spraying services are being procured for the application of specified herbicide mixtures over 108 acres at Naval Air Station Meridian, Mississippi, as part of a silvicultural site preparation effort. The work requires strict adherence to established application standards to ensure effective vegetation control while maintaining environmental and operational safety protocols. This subcontract is designated as a Small Business Set Aside under the NAICS code 115310, meaning only small business concerns are eligible to bid. The opportunity was posted on July 31, 2026, with proposals due by August 14, 2026, at 6:30 PM Eastern Time. Performance will take place entirely within the designated area at Meridian, MS 39309, under the oversight of the Naval Facilities Systems Command Southeast, a division of the Department of Defense. All contractors must comply with federal regulations governing aerial pesticide application and site-specific requirements to support the silvicultural objectives of the facility.

Navfacsyscom Southeast

POSTED

DEADLINE

Regulatory and Customs Compliance CoordinationThe contract requires management of customs clearance, import documentation, and full compliance with Department of Defense logistics protocols for liquefied natural gas shipments destined for Guantanamo Bay. All activities must align with U.S. government regulatory standards and DOD-specific operational requirements to ensure uninterrupted delivery and lawful entry of hazardous materials into the restricted naval base. The scope encompasses end-to-end coordination of international shipping paperwork, coordination with customs authorities, and adherence to security and safety mandates governing the transport and handling of LNG under military-controlled conditions. This subcontract is issued under NAICS code 541611 and is tied to the Department of Defense through Naval Facilities Engineering Systems Command Southeast. The proposal deadline is August 10, 2026, with the opportunity posted on July 31, 2026. Performance is exclusively located at Guantanamo Bay, and contractors must demonstrate proven experience in defense logistics, international customs procedures, and the secure movement of energy resources to U.S. military installations. There is no set-aside designation specified, and the contract is open to qualified entities capable of meeting the unique compliance demands of a sovereign U.S. facility in a complex geopolitical environment.

Navfacsyscom Southeast

POSTED

DEADLINE

Emergency Response and Spill Mitigation for LNG OperationsThe contract is for emergency response and spill mitigation services specifically focused on liquefied natural gas operations during transport and transfer activities. It requires the contractor to provide immediate on-call response to incidents involving LNG leaks, fires, or spills, with responsibilities including containment, mitigation, and implementation of evacuation plans to ensure personnel and environmental safety. The scope emphasizes rapid deployment and coordination under high-risk conditions, with services tailored to the unique hazards of LNG in transit or at transfer points. This subcontract is issued by the Department of Defense through Navfacsyscom Southeast, with performance required at Guantanamo Bay. The opportunity was posted on July 31, 2026, and responses are due by August 10, 2026. The NAICS code 541690 indicates it falls under other scientific and technical consulting services, specifically related to environmental and emergency support. The nature of the work demands specialized expertise in hazardous material response, regulatory compliance, and emergency logistics under military operational conditions.

Navfacsyscom Southeast

POSTED

DEADLINE

Port Handling and LNG Transfer Services at Guantanamo BayThe contract encompasses the offloading, temporary storage, and transfer of liquefied natural gas at Guantanamo Bay, requiring specialized operation of cryogenic systems and continuous safety monitoring to ensure operational integrity and compliance with stringent hazardous material protocols. All activities must be conducted in alignment with Department of Defense standards, with a focus on secure handling, leak prevention, environmental protection, and emergency response readiness in a remote and strategically sensitive location. This subcontract is managed by Navfacsyscom Southeast and is set to expire with a response deadline of August 10, 2026. The North American Industry Classification System code 488999 indicates it falls under other support activities for water transportation, reflecting the logistical and technical nature of the services. Performance is required solely at Guantanamo Bay, where the contractor must navigate unique operational constraints including logistical limitations, climate conditions, and security requirements, while maintaining full compliance with federal and military safety regulations throughout the duration of the contract.

Navfacsyscom Southeast

POSTED

DEADLINE

Cryogenic LNG Transportation and LogisticsThe contract involves the transportation of liquefied natural gas via DOT-approved cryogenic tankers from the U.S. mainland to a designated port of entry for transfer to the Naval Support Activity Guantanamo Bay. It requires full compliance with all HAZMAT regulations, including proper handling, labeling, documentation, and safety protocols for the transport of hazardous materials. Intermodal coordination is a critical component, necessitating seamless integration between trucking, port operations, and maritime transfer procedures to ensure timely and secure delivery. The work is performed under a subcontract and is governed by NAICS code 484220, which classifies it as specialized freight transportation. The solicitation was posted on July 31, 2026, with a response deadline of August 10, 2026, at 4:00 PM. Performance is focused specifically at Guantanamo Bay, requiring the contractor to meet stringent security and logistical standards associated with Department of Defense operations. All activities must align with federal transport regulations and be executed with precision to support national defense energy needs. The contract does not specify set-aside status and is managed under the Naval Facilities Engineering Systems Command Southeast, indicating a high level of operational urgency and regulatory oversight.

Navfacsyscom Southeast

POSTED

DEADLINE

Liquefied Natural Gas (LNG) Supply and ProductionThe contract entails the supply, liquefaction, and quality testing of liquefied natural gas to be delivered to Naval Station Guantanamo Bay for use in power generation operations. The work requires end-to-end management of LNG production, including processing natural gas into a liquefied state and ensuring it meets stringent quality standards suitable for critical military energy needs. Performance is specifically tied to the location of Guantanamo Bay, where the LNG will be received and utilized to sustain reliable and continuous power infrastructure. The solicitation is classified as a subcontract under NAICS code 221122, indicating its focus on natural gas distribution and related services within the energy sector. The Department of Defense, through Navfacsyscom Southeast, is the overseeing agency, and responses must be submitted by August 10, 2026, with the opportunity posted on July 31, 2026. All activities must align with federal defense requirements and operational security protocols governing facilities within the Naval Station.

Navfacsyscom Southeast

POSTED

DEADLINE

Multiple Award IDIQ for Liquefied Natural Gas (LNG) to Naval Station Guantanamo Bay (NSGB)

Solicitation # N6945026QPW16

The U.S. Navy, through Naval Facilities Engineering Systems Command Southeast, is soliciting multiple firm-fixed-price indefinite-delivery, indefinite-quantity (IDIQ) contracts for the delivery of liquefied natural gas (LNG) to Naval Station Guantanamo Bay to support its combined cycle power plant. The solicitation, numbered N6945026QPW16, has a response deadline of August 10, 2026, and contemplates awarding several contracts with an aggregate not-to-exceed value of $8,950,000 for all awardees combined, with each contract having an ordering period of approximately five months or until the cap is reached, whichever comes first. Each awardee will receive an initial delivery order: one contractor will be awarded a seed project requiring two specific LNG deliveries scheduled for late September and mid-October 2026, while all other awardees will receive a minimum guarantee delivery order worth $500 concurrently with contract award. The sole place of performance for all deliveries is Naval Station Guantanamo Bay, Cuba, with no FOB terms specified in the available documentation. Invoicing must be submitted electronically through the Wide Area WorkFlow system via the Procurement Integrated Enterprise Environment, and vendors must be registered in PIEE to conduct business. The contract falls under NAICS code 221210 with no set-aside provisions. While personnel access and identity verification requirements are detailed for DoD installation entry—mandating documentation such as a U.S. passport, Social Security card, and passing NCIC and terrorist screening checks—no contract clauses, packaging standards, inspection criteria, performance specifications, or special requirements such as key personnel, OCI provisions, or options are explicitly included in the disclosed materials, and no evaluation factors or basis of award methodology are stated. Payment office and appropriation data are also not provided, and all contract administration details, including the identity of the contracting officer or technical representative, remain unspecified beyond the general location of the contracting office in NAS Jacksonville, Florida.

Navfacsyscom Southeast

POSTED

DEADLINE

Aerial Spraying / Reforestation, NAS Meridian

Solicitation # N6945026Q0007

The contract requires the provision of silvicultural services across 111 acres at Naval Air Station Meridian Main Station in Mississippi, involving aerial herbicide application for site preparation and hand planting of containerized loblolly pine seedlings. The contractor must supply all labor, equipment, vehicles, and chemicals necessary to achieve at least 95% herbicide coverage across the designated area using the prescribed application rate. Additionally, the contractor is responsible for sourcing and planting seedlings with a geographic origin suitable for Kemper and Lauderdale Counties, ensuring ecological compatibility and survival success. All planting activities must be conducted to a standard that meets contractual satisfaction and performance benchmarks. This is a Small Business Set Aside under NAICS code 115310, posted on July 31, 2026, with a response deadline of August 14, 2026, at 6:30 PM Eastern Time. The solicitation number is N6945026Q0007, and the contract is managed by the Naval Facilities Engineering Systems Command Southeast, based in Jacksonville, Florida, with the place of performance located in Meridian, Mississippi. The primary point of contact for inquiries is Jason Clayton, reachable via phone or email provided in the solicitation details. The work is part of a broader effort to maintain and enhance forested land at the naval installation through professionally executed reforestation practices.

Navfacsyscom Southeast

POSTED

DEADLINE

Site Restoration and Post-Cleanup VerificationThe contract titled Site Restoration and Post-Cleanup Verification requires the contractor to fully restore the work area to its condition prior to the mishap, encompassing all structural repairs, replacement of damaged flooring, and completion of final environmental clearance verification to ensure compliance with safety and regulatory standards. The scope of work demands thorough remediation efforts to return the site to a safe, functional, and code-compliant state following an incident that necessitated cleanup operations. This subcontract is associated with the NAICS code 238990 and is performance-based at Kings Bay, Georgia, with a posted date of July 29, 2026. It is managed under the Department of Defense through Navfacsyscom Southeast, indicating federal defense-related operations. The work must adhere to strict environmental and structural benchmarks, with verification of clearance being a mandatory final step before project closeout. The contract does not specify a set-aside type or point of contact, and all deliverables must meet the requirements defined by the sponsoring agency without external citations or references to source documents.

Navfacsyscom Southeast

POSTED

DEADLINE

Supply of Personal Protective Equipment (PPE)The contract is for the supply of a comprehensive suite of chemical-resistant personal protective equipment (PPE) to support emergency response teams, encompassing full-body suits, chemical-resistant gloves and boots, respirators, and eye protection. All items must meet rigorous standards for durability, compatibility with hazardous chemicals, and performance under demanding operational conditions. The equipment is intended for use by personnel engaged in hazardous material response and decontamination operations within the Department of Defense’s infrastructure. This subcontract is issued under the NAICS code 425990 for other miscellaneous nondurable goods wholsale, and the place of performance is specified as Kings Bay, Georgia, with a ZIP code of 31547. The contract was posted on July 29, 2026, under the purview of NAVFACSYSCOM Southeast, a branch of the Department of Defense responsible for facility engineering and support services. The PPE must be delivered in full compliance with federal procurement standards, ensuring readiness for immediate deployment to response teams operating in high-risk chemical environments.

Navfacsyscom Southeast

POSTED

DEADLINE

Emergency Project Management and CoordinationThe contract requires comprehensive management and coordination of emergency response activities, with responsibilities spanning scheduling, regulatory compliance, and detailed reporting to ensure seamless operations. The contractor must work closely with the Navy’s On-Scene Coordinator and Federal On-Scene Coordinator, as well as NAVFAC, to align response efforts with federal and military protocols. All activities are centered at Kings Bay, Georgia, with strict adherence to operational standards and timely communication to maintain readiness and mission continuity. The work falls under NAICS code 541611, indicating a focus on management consulting services related to emergency planning and coordination. Though classified as a subcontract, the scope demands high-level oversight and interagency collaboration within the Department of Defense framework. The contract was posted in July 2026 and is intended to support sustained emergency response capabilities at a critical Navy installation, requiring expertise in regulatory frameworks, incident management systems, and defense-specific emergency procedures.

Navfacsyscom Southeast

POSTED

DEADLINE

Transportation of Hazardous Waste to On-Base FacilityThe contract requires the safe and compliant transportation of containerized hazardous batteries and contaminated materials from Building 4030 to the NSB Kings Bay Hazardous Waste Facility. All transport must be conducted using vehicles meeting regulatory standards and operated by personnel who are properly trained and certified to handle hazardous waste. The work is limited to on-base movement within the Kings Bay area, with the destination being the designated hazardous waste facility located at 31547. The contract is classified under NAICS code 484220, identifying it as a hazardous waste transportation service, and is structured as a subcontract within the Department of Defense’s Naval Facilities Engineering Systems Command Southeast program. The solicitation was posted on July 29, 2026, and performance is expected to occur exclusively at the Kings Bay naval base.

Navfacsyscom Southeast

POSTED

DEADLINE

Medical Monitoring of Response PersonnelThe contract requires comprehensive medical monitoring services for personnel exposed to hazardous battery materials and acidic substances during their duties, ensuring timely pre- and post-exposure evaluations to safeguard worker health and comply with occupational safety standards. Services must be delivered to response teams operating in Kings Bay, Georgia, with specific emphasis on early detection, ongoing surveillance, and medical follow-up for individuals facing potential chemical exposure risks in high-hazard environments. This subcontract is issued under the NAICS code 621999 for other miscellaneous health care services and falls under the Department of Defense through Navfacsyscom Southeast. The work is scheduled to begin on July 29, 2026, and must be performed exclusively at the Kings Bay location with zip code 31547, though no point of contact or set-aside details are provided. The contractor is expected to implement structured medical protocols aligned with defense and occupational health requirements, ensuring readiness and safety for personnel engaged in hazardous material handling.

Navfacsyscom Southeast

POSTED

DEADLINE

Spilled Acid Decontamination and Site CleanupThe contract requires the neutralization, cleaning, and decontamination of areas contaminated by sulfuric acid leaks from degraded batteries, covering floors, equipment, and structural components to restore safe and operational conditions. Work must be performed in accordance with industry standards for hazardous material remediation, ensuring thorough removal of corrosive residues and mitigation of potential health and environmental hazards. The scope emphasizes precision and safety, necessitating specialized equipment, trained personnel, and adherence to protocols for handling acidic contamination. The task is a subcontract under the Department of Defense, specifically managed by Navfacsyscom Southeast, with performance required at Kings Bay, Georgia, zip code 31547. The North American Industry Classification System code 562910 indicates the work falls under Other Remediation Services. The solicitation was posted on July 29, 2026, with no set-aside designation specified. The place of performance is fixed, and all activities must comply with federal and military environmental and safety regulations to ensure full site restoration and regulatory compliance.

Navfacsyscom Southeast

POSTED

DEADLINE

Hazardous Battery Removal and ContainerizationThe contract involves the identification, safe handling, and proper containerization of leaking or bulging lead-acid batteries located in Building 4030 at Naval Submarine Base Kings Bay. All activities must be performed in strict compliance with hazardous material protocols to ensure worker safety and environmental protection, with the ultimate goal of transporting the batteries to the on-base hazardous waste facility. The work requires specialized training, appropriate personal protective equipment, and adherence to all federal and Department of Defense regulations governing hazardous waste management. This subcontract is classified under NAICS code 562910 for other waste management services and is managed by the Naval Facilities Engineering Systems Command Southeast under the Department of Defense. Performance is exclusively tied to the location at Kings Bay, Georgia, with a zip code of 31547. The contract was posted on July 29, 2026, and is part of ongoing efforts to maintain environmental compliance and operational safety at the naval installation.

Navfacsyscom Southeast

POSTED

DEADLINE