Mission Focused. Legacy Inspired. Community Driven.
A Wholly Owned Navajo Nation Corporation


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DDC 4C drives resource sustainability by providing government agencies and private sector clients with quality-driven environmental compliance and natural resource management solutions. Our specialized team fuses steadfast compliance with bold ingenuity to promote conservation and minimize risk. We are committed to honoring the Navajo legacy of environmental stewardship for future generations. DDC 4C is a Tribally owned, SBA 8(a) certified, Small Disadvantaged Business (SDB) and subsidiary of Diné Development Corporation.

Areas of Expertise

DDC 4C delivers quality-driven environmental compliance services in support of federal, state, and local government and private sector clients. Our multidisciplinary team of scientists, engineers, and technical specialists engages their robust expertise to navigate complex regulatory structures. Our approach integrates project objectives with compliance requirements to yield client-tailored solutions. We work closely with our clients to develop responsive strategies that address environmental concerns while ensuring compliance with environmental requirements. DDC 4C has developed a proven record of excellence as a result of our steadfast commitment to quality management, risk mitigation, and cost savings.

  • Environmental Consulting and Remediation
  • Stormwater and Wastewater Management and Permitting
  • Oil Operations Implementation and Permitting
  • Hazardous Waste Management and Operations
  • Wildlife Management and Fauna Assessments
  • Drinking Water Quality Support
  • Air Quality Management and Permitting
  • Environmental Planning and Impact Assessments
Contract Highlight
NASA Goddard Space Flight Center (GSFC) Environmental Compliance Services

DDC 4C delivered a range of environmental compliance services through 21 task orders under this five-year IDIQ contract. We supported NASA in providing environmental and natural resource management; environmental planning and impact assessment; waste prevention and management; water and air management; and release response and remediation services. We partnered with GSFC in advancing its mission through regulation compliance, risk mitigation, environmental stewardship and sustainability, and continuous innovation. DDC 4C received “Very Good” and “Exceptional” CPARS quality-related ratings throughout the contract, demonstrating our outstanding performance in meeting and exceeding program objectives. Dorrence Levy, Contract Specialist, stated: “Technical support and analysis related to several areas of regulatory development and compliance have been of benefit to the Government. In both air and waste, [DDC 4C’s] support in tracking and assessing the regulatory development and potential impact to NASA allowed for early and rapid action to ensure compliance.”

DDC 4C employs a collaborative natural resource management approach to deliver innovative, cost-effective strategies with a paramount focus on mitigating environmental impacts. Leveraging in-depth forestry management and conservation planning experience, our natural resource specialists work closely with government and private sector clients to deliver compliant, yet tailored solutions. As a trusted partner, we skillfully navigate federal, state, and local government regulatory structures to ensure sustainability. DDC 4C’s team unites specialized expertise with on-the-ground field experience to provide results that meet conservation goals.

  • Threatened and Endangered Species Management
  • Invasive Plant Species and Vegetation Management
  • Pesticide/Herbicide Application
  • Forestry Fuel Reduction
  • Wildlife Habitat Enhancement
  • Forestry Management
  • Reforestation
  • Prescribed Burning
Contract Highlight
U.S. Army Corps of Engineers (USACE) South Atlantic Division (SAD) Environmental Remediation Services

As a subcontractor, DDC 4C supports the USACE South Atlantic Division (SAD) Savannah District (SAS) with a suite of natural resource management services performed across multiple task orders. Our on-site field teams provide forestry services; prescribed burning; stormwater and water reuse, wildlife habitat enhancement; invasive species management; and environmental compliance to promote the conservation of ecosystems across the Southeast. We leverage our expertise to promote environmental stewardship through sustainable solutions in support of clients of the USACE, SAD, and Southeastern Regional Environmental Office on the Installation Management Agency (SERO). We fuse time-tested approaches with bold ingenuity to advance the program’s objectives of sustainment, restoration, modernization.

DDC 4C Advantage

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(757) 618-9075

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Office Address

8840 E. Chaparral Road
Suite 145
Scottsdale, AZ 85250

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As DDC 4C President, Allan oversees the management and operations of the company through the 8(a) Business Development Program. Allan dually serves as President of sister company, BRIC, which also provides environmental and natural resource solutions to public and private sector clients. Allan brings vast experience in the environmental and natural resources services industry. He previously served as DDC 4C Director of Operations and Environmental, Health, and Safety (EHS) Manager. He also managed human resources programs for companies across the East Coast. Allan holds a Bachelor of Science in Environmental Health and is an accredited Project Management Professional (PMP) and Certified Safety Professional (CSP). Allan leads the DDC 4C team based in the Virginia Beach, Virginia office.