Ninyo & Moore, an ENR Top 500 Design Firm, is a professional geotechnical and environmental sciences consulting firm providing services in geotechnical engineering, engineering geology, geophysics, hydrogeology, soil and materials testing, special inspection, soil and groundwater contamination assessment, site remediation, hazardous building materials, industrial hygiene, and occupational safety.

Our geotechnical, environmental, and materials testing specialists provide services to clients in both the public and private sectors. With offices in California, Nevada, Arizona, Colorado, Texas and Utah, our firm is fully committed to being responsive, cost-efficient, and thorough in meeting the clients’ project needs and objectives.

The quality of Ninyo & Moore’s personnel base has become widely recognized. The firm employs 600 professionals, including registered geotechnical and civil engineers, geologists, hydrogeologists, engineering geologists, geophysicists, environmental scientists, industrial hygienists, field technicians, special deputy inspectors and specialists in fields such as regulatory issues and interpretation, hazardous waste management, health and safety, and remedial action planning.

Brochure: Corporate Profile

NINYO & MOORE We transform today so our world is a better place tomorrow.

Our EXPERIENCE, QUALITY, AND COMMITMENT is the driving force behind every project. Our highly-experienced team of seasoned professionals and industry experts has taken on many complex projects, and are capable of handling the most difficult jobs. We pride ourselves in delivering quality services to exceed our clients’ expectations. We commit to a higher standard of integrity and persevere until we achieve innovative solutions through project completion. We transform today so our world is a better place tomorrow.


Avram Ninyo, PE, GE
President/Principal Engineer

NINYO & MOORE We transform today so our world is a better place tomorrow.