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Directory

The Greater Des Moines Partnership’s Directory includes contact information and maps for all Regional Chamber Members in Greater Des Moines (DSM) — more than 6,000 local businesses! To search by business category, select the links below the search bar. To search by business name, select “0–9” for business names that begin with a number or “A–Z” for businesses listed in alphabetical order. 

Additionally, The Partnership relies on Investors to support its mission as the economic and community development organization serving Greater Des Moines (DSM). 

For more information about The Partnership, its Investors, Affiliate Chambers of Commerce and Chamber Members, visit the following pages: 

Keystone Laboratories Inc

600 E 17th St S
Newton, IA 50208
(641) 792-8451
(641) 792-7989 (fax)

About Us

Founded in 1990, Keystone Laboratories, Inc. provides environmental testing services to government, industry, and consulting engineering firms from laboratory locations in Newton, Waterloo and Kansas read more
  • About

    Founded in 1990, Keystone Laboratories, Inc. provides environmental testing services to government, industry, and consulting engineering firms from laboratory locations in Newton, Waterloo and Kansas City. Our laboratory and support personnel are committed to providing a comprehensive range of testing services, coupled with superior customer service, to satisfy our clients' needs.

    Our growth has been possible because our clients have put their trust in our ability to do the job, and do it right. We work hard every day to continue to earn that trust. Each laboratory location maintains certifications with their respective state regulatory agencies. Contact the laboratory for specific certification requirements.