DIVERSE Knowledge


NWA has a core area of expertise. Each member of our team holds a technical  environmental degree and proven work experience. Additionally, our relationships with other firms allow us to bring in other expertise as needed for certain projects. This may include geologists, engineers, industrial hygienists and service contractors.


Experience Counts

We work with clients from a variety of industries including; manufacturing, aerospace, semiconductor, mining, utilities, insurance, legal, service, tribal, governmental and others.



N. Weiss Associates​ Inc.

Environmental Consultants 

Since 1996 we have provided environmental compliance services to over 70 clients ranging from small business to large Fortune 100 companies.

The principal of the firm has over 30 years of experience and formerly served as Assistant Agency Director for the Arizona Department of Environmental Quality. 

Unique Services 

Our team members are available to work at your facility as an onsite resource. This allows us to better understand client needs, organizational culture and readily interact with other staff. Our virtual office is one way we keep overhead low and allows us to offer incredibly competitive rates.