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Welcome to EHS-International!
We are glad that you are here and are interested in EHSI. Please feel free to peruse our website to learn more about who we are, what we do, how we do it, and how we can serve you in the future. We hope that you will consider us as one of your resources and visit us frequently! Please feel free to contact us at anytime if there is any way we can assist you further.

EHSI is a multi-disciplinary consulting firm primarily providing industrial hygiene and environmental engineering services. We are a known leader in the environmental engineering, construction management, and health and safety industry and are recognized for our experience and capabilities. EHSI also provides support services in the Earth Sciences and Mapping.

We offer the highest standards of practice in these four key areas:

  • Environmental Engineering
  • Earth Sciences and Mapping
  • Industrial Hygiene Services
  • Construction Management


  • EHSI is Client-Centric
    What this means is we will provide you with services and solutions that have you in mind. Having us as your trusted partner will help you minimize your risk. Our approach is simple. We provide: experience and knowledge, high quality of services, sensible solutions, and innovation. With a strong track record of consistently meeting project costs and schedules, having EHSI on your team ensures success.
    Company History
    EHSI was formed in 1996 with a focus on environmental health and safety. In 2001, the owner retired and the company was purchased by Mr. Larry Toimil, who was Principal at the time. Under his leadership, the company has experienced steady growth and expansion. Revenues and profit margins have steadily increased year after year along with the number of personnel. The company currently has 20 employees and is planning to hire more professional staff in the upcoming year. Over the past several years the firm has expanded its service areas and market sectors served. In our Earth Sciences division, we recently added LiDAR and remote sensing services as well as natural resources and permitting support for municipalities and other valued Clients.

    EHSI also recently acquired Healthy Buildings, Inc., an indoor air quality specialty company. Healthy Buildings is a recognized leader and authority regarding issues with mold and other indoor air quality concerns. HBI is frequently relied upon to test Indoor Environmental Quality criteria for LEED certification. This acquisition further strengthens EHSI's capabilities in the indoor air quality and mold arena.

    Headquartered in Bellevue, Washington (Seattle), the majority of our projects are located in the Greater Puget Sound area. We also frequently perform work throughout Alaska, Idaho, Oregon and Washington and manage projects in other areas of North America for our Clients and Partners.


    EHSI is a Washington State Certified Small Minority Business Enterprise (MBE) (M5M6818039), a Federally Certified Disadvantaged Business Enterprise (DBE) and is certified under the US Small Business Administration 8(a) Business Development Program.

    The contents appearing on this web site are the property of EHS-International, Inc. Copyright© 2008. Site by: Amdian