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DDC 4C, LLC 8840 E CHAPARRAL RD STE 145 Scottsdale AZ 85250-2611 USA

UEI: SLED_E754703A7316FBEA

DDC 4C, LLC 8840 E CHAPARRAL RD STE 145 Scottsdale AZ 85250-2611 USA is a federal contractor, registered under UEI SLED_E754703A7316FBEA. It has been awarded $1,101,434 across 5 federal contracts. Primary work spans Environmental Consulting Services and All Other Professional, Scientific, and Technical Services. Top awarding agencies include Navajo Region and Lower Colorado Regional Office.

Contact Information

Registration and classification details

Registration

UEI Code

SLED_E754703A7316FBEA

Federal Contracting Overview

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

Key Performance Metrics

Awards Count

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Total Awards

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Contracts

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Award Analytics & Distribution

Awards by Agency

Navajo Region$991.1K90%

Lower Colorado Regional Office$110.3K10%

Awards by NAICS

541620 - Environmental Consulting Services$623.2K56.6%

541990 - All Other Professional, Scientific, and Technical Services$478.3K43.4%

Awards by Agency Over Time

Awards by Place of Performance

Open opportunities in DDC 4C, LLC 8840 E CHAPARRAL RD STE 145 Scottsdale AZ 85250-2611 USA's top NAICS codes and agencies

Safety and Health Compliance ServicesThe contract requires the provision of a Site Safety and Health Officer and Competent Persons to ensure compliance with safety and health protocols during high-risk operations at Camp Lejeune, North Carolina. These personnel will be responsible for implementing and maintaining a Site Safety and Health Plan and an Accident Prevention Plan aligned with EM 385-1-1 and OSHA standards, ensuring all work activities meet federal safety regulations. The services are critical to protecting worker health and safety in a demanding military construction and operations environment. This is a subcontract under a Total Small Business Set-Aside, classified under NAICS Code 541620, and is issued by the Department of Defense through Navfacsyscom Mid-Atlantic. The solicitation was posted on July 26, 2026, with responses due by August 26, 2026. All work must be performed at Camp Lejeune, and only small business concerns eligible under SBA guidelines may submit proposals. The contract emphasizes strict adherence to regulatory frameworks and the need for qualified professionals capable of managing complex safety requirements onsite.

Navfacsyscom Mid-Atlantic

POSTED

about 12 hours ago

DEADLINE

in about 1 month

Environmental Consulting ServicesThe contract requires the provision of comprehensive environmental consulting services including environmental site assessments, wetland delineation, NEPA compliance documentation, and stormwater pollution prevention planning. These services are intended to support regulatory adherence and environmental stewardship across projects under the jurisdiction of the State of Utah, with performance expected to meet federal and state environmental standards. The work involves technical expertise in identifying environmental risks, delineating protected wetland boundaries, preparing documentation to satisfy National Environmental Policy Act requirements, and developing effective stormwater management plans to mitigate pollution. The opportunity is posted as a subcontract under NAICS code 541620, indicating a focus on environmental consulting, and is open for responses until September 7, 2026. It is not subject to any specific set-aside provisions and is available to qualifying subcontractors capable of delivering the full scope of environmental services. While the agency details are listed under Utah with no specific office address or point of contact provided, bidders must be prepared to perform work wherever required within the state. Interested parties should submit proposals before the deadline and ensure they have the technical capacity, certifications, and experience necessary to meet the rigorous demands of the environmental services outlined.

POSTED

DEADLINE

in about 1 month

Environmental Compliance and Documentation ServicesThe contract is for Environmental Compliance and Documentation Services under a subcontract awarded by Marine Maintenance for the Port of Seattle, aimed at ensuring full regulatory adherence during excavation and waste management operations. The work supports compliance with standards set by the EPA and state environmental agencies, with a strong focus on maintaining audit-ready records and proper documentation throughout all phases of activity. This includes tracking, reporting, and managing paperwork required for regulatory inspections and environmental audits to minimize risk and uphold legal obligations in real-time operational environments. The services are classified under NAICS code 541620, indicating environmental consulting and related technical support, and are intended to provide continuous compliance assistance wherever excavation and hazardous or non-hazardous waste handling occurs under the Port’s jurisdiction. The contract does not specify a geographic location beyond the Port of Seattle, and while no set-aside provisions are in place, the solicitation is posted as of July 2026, with a public-facing link available for further details. The scope demands expert knowledge of federal and state environmental regulations and the ability to produce clear, accurate, and timely documentation that meets both operational needs and regulatory scrutiny.

Marine Maintenance

POSTED

DEADLINE

Water System Inspection and Compliance ReportingThe contract entails independent inspection, data collection, and compliance reporting for water systems across both Department of Public Safety facilities in Texas. The scope includes conducting thorough evaluations of water system operations, accurately completing required Inspection Forms, and documenting Cycles of Concentration Worksheets to ensure adherence to regulatory standards. All tasks must be performed with precision to support ongoing compliance and operational integrity of the water systems at the designated sites. The work is classified under NAICS code 541620 and is structured as a subcontract, with responses due by August 13, 2026. The contract was posted on July 25, 2026, and all deliverables must align with the requirements specified for the Department of Public Safety’s Texas operations.

Department of Public Safety

POSTED

DEADLINE

Chemical Water Treatment Services – Florence Facility (Florence, TX)Full-service water treatment is required for all industrial and domestic water systems at the DPS Florence facility in Texas, covering condenser, boiler, heating, and chilled water systems. The scope includes comprehensive chemical delivery, routine water testing, performance monitoring, and full adherence to all applicable regulatory standards to ensure system efficiency, safety, and compliance. The contract is structured as a subcontract under NAICS code 541620, with bids due by August 13, 2026, and was posted on July 25, 2026. All services must be performed on-site at the Florence facility, and the contracting entity is the Texas Department of Public Safety.

Department of Public Safety

POSTED

DEADLINE

Chemical Water Treatment Services – HQ Chill Water System (Austin, TX)The contract pertains to the ongoing chemical treatment, monitoring, and maintenance of the chilled water system at the Department of Public Safety headquarters in Austin, Texas, with a focus on controlling scale, corrosion, and biological growth using chemicals recommended by manufacturers. Services are required to ensure system efficiency, longevity, and compliance with operational standards through regular inspections, chemical dosing, and performance tracking. The scope is strictly limited to the chilled water system at this specific facility and does not extend to other building systems or locations. This is a subcontract under NAICS code 541620, with a posted date of July 25, 2026, and a response deadline of August 13, 2026. The contracting agency is the Texas Department of Public Safety, and the place of performance is clearly defined as the DPS headquarters in Austin. The solicitation is accessible via the Texas SmartBuy portal, and while no set-aside type or point of contact is specified, interested parties must submit proposals prior to the stated deadline to be considered for award.

Department of Public Safety

POSTED

DEADLINE

Acoustical Consulting & Treatment InstallationTexas Southern University is seeking a subcontractor to perform acoustical analysis and install sound-absorbing materials in study rooms to achieve speech privacy in compliance with ASTM standards. The work requires expert evaluation of current acoustic conditions and the implementation of targeted treatments to limit sound transmission between adjacent spaces, ensuring an environment conducive to focused study. The contract is classified under NAICS code 541620 for architectural and engineering services and is posted for responses until August 18, 2026, with no set-aside designation specified. The project scope is strictly focused on technical acoustical mitigation and does not include broader construction or renovation efforts beyond the installation of approved sound-absorbing materials. All deliverables must meet industry-recognized performance benchmarks to fulfill the requirement for acoustic privacy in educational settings.

Texas Southern University

POSTED

DEADLINE

Environmental Assessments and Compliance StudiesThe contract seeks qualified firms to conduct a range of environmental assessments and compliance studies for airport development projects in Georgia, including Phase I and Phase II environmental site assessments, wetland delineation, noise impact studies, and documentation to meet National Environmental Policy Act requirements. Work will involve identifying potential environmental contaminants, mapping and characterizing wetland boundaries, analyzing aircraft and operational noise levels, and preparing formal reports to ensure regulatory compliance throughout the project lifecycle. The solicitation is issued as a subcontract under NAICS code 541620 for environmental consulting services, with responses due by August 13, 2026, and the entity responsible is the City of Swainsboro, which is seeking technical expertise to support infrastructure planning and environmental due diligence.

City of Swainsboro

POSTED

DEADLINE

Comprehensive Regional Resilience PlanningThe contract titled Comprehensive Regional Resilience Planning is a subcontract issued by the Coastal Bend Council of Governments in Texas to develop regional strategies that address climate-related risks including sea-level rise, flooding, and disaster recovery planning for coastal communities. The work requires the contractor to design, implement, and coordinate resilience initiatives that enhance community preparedness and adaptive capacity in the face of escalating environmental threats. The scope centers on integrating scientific data, stakeholder input, and policy frameworks to create actionable, region-specific plans that support long-term sustainability and emergency response capabilities. Responses to the solicitation are due by August 31, 2026, and the effort falls under NAICS code 541620, indicating it involves environmental consulting services. The contract does not specify a set-aside type or a defined place of performance beyond the broader Texas coastal region, and the performance location remains unspecified in the posted details. The opportunity is accessible via the Texas SmartBuy portal, and while no point of contact information is provided, interested parties must submit proposals prior to the deadline to be considered for award. The initiative underscores a strategic focus on localized climate adaptation with broad implications for public safety, infrastructure planning, and regional economic stability.

COASTAL BEND COUNCIL OF GOVERNMENTS

POSTED

DEADLINE

in about 1 month

Feasibility Study and Site Assessment for Integrated Solar Car ParkThe contract seeks to conduct a comprehensive feasibility study for the integration of a solar car park within a correctional facility operated by the Government of Jamaica’s Department of Correctional Services. The study must evaluate site-specific conditions including solar energy potential, structural load capacity of existing infrastructure, and the technical compatibility of solar installations with ongoing facility operations. Attention must be paid to how the proposed solar car park will function alongside security protocols, maintenance routines, and energy demands of the correctional environment without compromising safety or operational integrity. The work is classified under NAICS code 541620, indicating it is a subcontract focused on engineering services, and the deadline for responses is August 19, 2026. The solicitation was posted on July 24, 2026, and all proposals must address the full scope of technical, logistical, and operational considerations necessary to determine the viability of deploying a solar-powered parking structure on the site. The project aims to support sustainable energy initiatives while ensuring seamless alignment with the correctional facility’s unique requirements.

Department of Correctional Services

POSTED

DEADLINE

Environmental Compliance AssessmentsThe City of Swainsboro in Georgia is seeking qualified subcontractors to provide environmental compliance services for projects funded by the Federal Aviation Administration. The scope of work includes conducting environmental site assessments, performing wetland delineations, ensuring compliance with the National Environmental Policy Act, and developing stormwater management plans. These services are critical to supporting infrastructure projects that require federal environmental oversight and must be executed in accordance with applicable regulations and standards. The solicitation is open as a subcontract opportunity under NAICS code 541620, which pertains to environmental consulting services. Proposals must be submitted by August 13, 2026, at 5:00 PM Eastern Time, with the posting date set for July 24, 2026. All work is expected to be performed within the state of Georgia, and interested parties should access the official solicitation portal for further details and submission requirements.

City of Swainsboro

POSTED

DEADLINE

Environmental Assessment Services for MALSR SystemThe contract seeks environmental assessment services for the RW 14 MALSR system, requiring full compliance with FAA regulations and the National Environmental Policy Act to evaluate potential environmental impacts. The work involves preparing comprehensive documentation to support federal aviation standards and ensure all environmental considerations are properly analyzed and disclosed in accordance with federal compliance protocols. The scope is focused specifically on the environmental review process, not on construction or operation, but on the analytical and reporting obligations tied to the system’s development. This subcontract is posted by the City of Swainsboro under Georgia state auspices, with a response deadline of August 13, 2026, and a North American Industry Classification System code of 541620 indicating environmental consulting services. While no funding source, set-aside status, or specific point of contact is provided, interested parties must submit proposals through the designated state portal by the stated deadline. The place of performance is not explicitly defined, but the project is tied to the RW 14 MALSR system, suggesting work will involve site-specific environmental analysis related to airport or aviation infrastructure within Swainsboro’s jurisdiction.

City of Swainsboro

POSTED

DEADLINE

Data Visualization and Reporting Dashboard DevelopmentThe contract seeks the development of a customized data visualization and reporting dashboard tailored to meet state performance reporting requirements, with a focus on executive scorecards and advanced drill-down analytics to support data-driven decision-making. The project involves enhancing existing reporting features to deliver clear, actionable insights for state leadership and operational teams, ensuring alignment with statewide performance metrics and accountability standards. The work is expected to include end-to-end design, development, and implementation of interactive dashboards that support real-time data exploration and performance tracking across multiple departments and programs. This is a subcontract opportunity under NAICS code 541990, posted on July 24, 2026, with a response deadline of August 29, 2026. The contracting entity is the Office of Technology and Solutions I in California, though specific office address and point of contact details are not provided. The place of performance details are also unspecified, indicating flexibility or that work may be performed remotely or as agreed between parties. Interested vendors must submit proposals via the official procurement portal before the deadline to be considered for award.

Ofc Technology and Solutions I

POSTED

DEADLINE

in about 1 month

Environmental and Regulatory Compliance ConsultingThe contract is for Environmental and Regulatory Compliance Consulting with a focus on coordinating CEQA documentation and ensuring adherence to state environmental regulations and agency mandates, specifically those from the Division of the State Architect and the Office of the State Fire Marshal. The work will be performed in Sacramento and requires expertise in navigating complex environmental review processes, interfacing with regulatory bodies, and delivering compliant documentation in alignment with California’s environmental standards. The contract is structured as a subcontract under NAICS code 541620, which classifies it as environmental consulting services, and it is being procured by the California Department of General Services on behalf of the state. The opportunity was posted on July 24, 2026, with a response deadline of August 20, 2026, indicating a timeline for proposers to submit qualifications and technical approaches. There is no specified set-aside or preference category, and no point of contact information is provided in the data. Interested parties must respond through the California eProcurement portal at the provided link, and the work will require demonstrated experience in environmental compliance, regulatory coordination, and familiarity with California’s public infrastructure regulatory environment. The absence of detailed performance metrics or deliverables in the data suggests proposers will need to clearly articulate their methodology and experience to meet the stated objectives.

California Department of General Services

POSTED

DEADLINE

Commissioning Agent (CxA) for Building SystemsThe contract requires the development and implementation of commissioning and monitoring-based commissioning plans to ensure all building systems achieve and sustain high-performance benchmarks aligned with LEED, Zero Net Energy, and Zero Net Carbon objectives. The successful contractor will be responsible for overseeing the integration, testing, and ongoing verification of HVAC, lighting, controls, and other mechanical and electrical systems to guarantee they operate as designed and meet stringent energy and environmental targets throughout the building’s lifecycle. This includes continuous data collection, performance analysis, and adjustment protocols to maintain optimal efficiency and compliance with state sustainability mandates. The work is structured as a subcontract under the California Department of General Services with a NAICS code of 541620, indicating specialized engineering and technical services. Performance is expected to be centered in Sacramento, California, with a response deadline of August 20, 2026. The solicitation is open for qualified firms to submit proposals addressing comprehensive commissioning strategies that align with California’s aggressive climate goals, emphasizing long-term operational performance over initial construction-phase checks. While no set-aside provisions are specified, the agency prioritizes technical expertise in building systems optimization and energy performance validation to support public sector sustainability initiatives.

California Department of General Services

POSTED

DEADLINE

Dam Water Level Monitoring and RegulationThe contract titled Dam Water Level Monitoring and Regulation requires the performance of daily visual inspections and precise adjustments to water levels at three regulated dams in Hawaii, in strict accordance with directives issued by the Hawaii Department of Land and Natural Resources Division of Water Resources. The work is essential for maintaining ecological balance, public safety, and compliance with state water management policies, and must be carried out consistently and reliably on a daily basis. This subcontract, posted on July 24, 2026, with a response deadline of August 21, 2026, falls under NAICS code 541620 for environmental consulting services and is managed by the Department of Business, Economic Development, and Tourism. While specific location details and point of contact information are not provided, the place of performance is limited to the state of Hawaii, and the successful offeror will be expected to operate under the oversight of state water resource authorities with a high degree of technical accuracy and accountability.

Department of Business, Economic Development, & Tourism

POSTED

DEADLINE

Endangered Species Protection ServicesThe contract titled Endangered Species Protection Services requires the implementation of protective measures during operations to safeguard endangered species, with specific attention to timing restrictions and ongoing monitoring protocols. These measures are designed to minimize human impact on sensitive habitats and wildlife populations, ensuring compliance with environmental regulations and conservation goals. The work is scoped under a subcontract and falls under NAICS code 541620, indicating an emphasis on environmental consulting and related scientific services. The solicitation was posted on July 24, 2026, with a response deadline of August 15, 2026, and is managed by the Department of Transportation through its Hawaii office. Although specific location details are not provided, the place of performance is designated within Hawaii, suggesting activity in ecologically sensitive areas requiring stringent conservation practices. The contract underscores a commitment to environmental stewardship across transportation-related projects, with performance obligations centered on adaptive management, real-time ecological monitoring, and adherence to seasonal operational windows to avoid disturbance during critical breeding or migration periods.

Department of Transportation

POSTED

DEADLINE

Invasive Species Management and Equipment DecontaminationThe contract involves the decontamination of vehicles and equipment to prevent the spread of invasive species, with requirements for thorough inspection and official certification upon completion. This work is critical to safeguarding ecological integrity, particularly in sensitive environments such as Hawaii, where the introduction of nonnative species can have severe environmental and economic consequences. All services must meet specific protocols to ensure effective removal and containment of invasive organisms, and compliance with established standards is mandatory. This is a subcontract under the Department of Transportation’s Hawaii office, with the North American Industry Classification System code 541620 indicating environmental consulting and related services. The solicitation was posted on July 24, 2026, and responses are due by August 15, 2026. Work performance is localized to Hawaii, though exact placement details are unspecified. The contract does not include a set-asides designation, and all interested parties must submit proposals through the official portal before the deadline to be considered.

Department of Transportation

POSTED

DEADLINE