Cogstone Resource Management specializes in paleontology, archaeology, and history. We serve both public and private sector clients throughout the United States. Our clients are repeat customers who appreciate Cogstone’s solid, dependable deliverables that meet all regulatory requirements for federal, state, and local regulations, including the National Environmental Policy Act (NEPA) and Section 106 of the National Historic Preservation Act (NHPA), among others.

Over the past 20 years, Cogstone has successfully completed over 1,600 paleontological, archaeological, and historic resources projects within the broad range of planning and execution phases of large and small projects. We provide services for multiple sectors, including transportation, energy, renewable energy, bridges, schools, residential and commercial development, landfills, mining, pipelines, telecommunications, water, and infrastructure. The company continues to impact the marketplace with its innovative solutions, customer satisfaction and value-delivered services.

Cogstone takes pride in its ability to respond quickly and effectively to the diverse needs of clients. The company’s client list includes a broad array of federal, state, and county public agencies, full-service engineering and environmental firms, and private developers.


We are committed to developing our employees for careers in cultural resource management. We respect collaboration and work-life balance. Our employees tell us the thing they value most about Cogstone as an employer is the opportunity to advance. We strive to create a work atmosphere that promotes continuously mastering this profession. Cogstone is always looking for well-qualified cultural and paleontological resources professionals throughout California to join our team. Please feel free to fill out an application and submit your CV at our Career Portal.

Company Certifications

As a small, women-owned firm, Cogstone can assist prime contractors and agencies to achieve disadvantaged business participation goals. We are certified with major federal, state, and local programs. Our primary NAICS codes are 541620 (Environmental Consulting), 541690 (Other Scientific and Technical Consulting), 541720 (Research and Development in the Social Sciences and Humanities), and 541990 (All Other Professional, Scientific, and Technical Services). Further, key personnel are certified in all municipalities throughout California that maintain lists.