iiná bá is a Native American-owned and managed environmental consulting firm, established in 1994 to focus on the unique needs of the Native American communities of the Four Corners region of the United States. iiná bá means “for life” in Navajo.

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A comprehensive list of Cultural Resources vital to the services we provide to clientele throughout the region. Check the list frequently as it’s updated regularly


Our biological assessments come with the best in detailed and precision-driven services, insuring only the most accurate data is provided.


Meet the team that sustains our exceptional level of quality each and every day we operate. Their level of communication, hard work and ethics is of the highest caliber.


Scientists, Engineers, Surveyors, Information Technology, 8(a) certified, Small Disadvantage Business, Navajo Nation Priority 1, AZ/NMDOT-DBE Certified

Duns No. # 11-2869941

NAICS Codes:

212321 – Construction Sand And Gravel Mining
213112 – Support Activities For Oil And Gas Operations
237110 – Water And Sewer Line And Related Structures Construction
237210 – Land Subdivision
238910 – Site Preparation Contractors
541330 – Engineering Services
541340 – Drafting Services
541350 – Building Inspection Services
541360 – Geophysical Surveying and Mapping Services
541370 – Surveying And Mapping (Except Geophysical) Services
541620 – Environmental Consulting Services
562219 – Other Nonhazardous Waste Treatment And Disposal
562910 – Remediation Services
562920 – Materials Recovery Facilities

Standard Industrial Classification (SIC)
8711 Engineering Services


Representative Clients

  • Army Corps of Engineers
  • APS—Arizona Public Service Company
  • Arviso/Okland
  • Ayala Construction
  • Bashas, Inc.
  • Bureau of Indian Affairs—Western Regional Office
  • Bureau of Indian Affairs- Navajo Regional Office
  • Bureau of Indian Affairs- Southwest Regional Office
  • Bristol Environmental & Engineering Services Corporation
  • Alutiiq Global Solutions, LLC
  • Burlington Resources
  • Central Consolidated School District
  • Chee Northstar
  • Chuska Sahara
  • Coleman Oil & Gas
  • Dibble Engineering
  • Dowell HKM
  • Dyron Murphy Architects
  • Flintco
  • Four Corners Materials
  • Ft. Defiance Regional Business Development Office
  • GADII’AHI Chapter
  • Hanaa’dli Community SchoolDormitory, Inc.
  • HKM Dowell
  • Indian Health Service Navajo Region
  • Ledcor
  • NAPI—Navajo Agricultural Products Industry
  • Navajo Nation Department of Transportation
  • Navajo Nation Water Management Department of Water Resources
  • Navajo Nation Environmental Protection Agency
  • Navajo Nation Oil & Gas
  • Navajo Nation Social Services
  • Navajo Nation Oil & Gas
  • Navajo Housing Authority
  • Navajo Partnership for Housing
  • Navajo Preparatory School
  • NECA—Navajo Engineering Construction Authority
  • Papillon Grand Canyon Helicopters
  • PCL Constructions Services, Inc.
  • Pueblo of Nambe
  • Pueblo of Isleta
  • Pueblo of Jemez
  • PNM—San Juan Generating Station
  • Rio Petroleum
  • San Ildefonso Pueblo
  • San Juan Meats
  • Shan Diin, Inc.
  • Shiprock Regional Business Development Office
  • Southern Ute Growth Fund
  • Southwest Business Development Consultants
  • Tierra Group
  • Thompson & Pollari Studios
  • Transwestern Pipeline
  • Triad Western
  • Tuba City Regional Business Development Office
  • Williams Exploration
  • Williams Production
  • XTO Energy


We are both humbled and proud of the remarks we've received over the years in regard to our staff and company. We love what we do and all whom we serve.

iiná bá has a great team to work with! Especially their Marketing Director, although he's a Tuba City Warrior, we know his heart belongs to Mustang country!




iiná bá is a great company to work with. They deliver unprecedented services in so many areas that we needed. Thanks for the great experience!




The service level of the front office at iiná bá is very professional and on top of the activities happening throughout the company. Edwina is a joy to work with and creates a beautiful vibe throughout the company.



Accounts Manager