Member List

IWWSG does not endorse any company or organization. The  information we provide is to recognize our members.

You should continue to use your own due diligence .

------ In Alphabetical Order ------

Abbott Laboratories

  • Helping people live their best lives through better health.

Admiral Environmental Services, Inc.

  • Since 1971, your experienced environmental compliance resource.


  • AECOM is the world's trusted infrastructure consulting firm, partnering with clients to solve the world's most complex challenges and build legacies for generations to come.

Aquafix Inc.

  • Providing pioneering wastewater treatment products backed by science, lab services, and personalized technical support.

Baxter & Woodman, Inc.

  • Engineering, technical & management services for clean water, safe roads & reliable wastewater treatment.

Civil & Environmental Consultants, Inc.

  • Providing consulting and field services in civil and environmental engineering and ecological sciences nationally since 1989.

Circon Environmental

  • CIRCON Environmental's talented team and range of services are dedicated to repurposing challenging waste streams.

CMT (Crawford, Murphy & Tilly, Inc.)

  • Our team's experienced planners, engineers, scientists, and consultants apply strategic expertise and technical acumen to deliver results across the entire infrastructure lifecycle.

DAI Environmental

DAI Environmental, Inc.

  • DAI is a turnkey environmental engineering firm committed to helping industries confront the complex problems of today.

Gabriel Environmental Services

  • Gabriel has provided the Chicago area's premier environmental consulting and monitoring services since 1973; included are industrial sampling and permitting, site assessments for redevelopment, and full-scale lab analysis.

Geosyntec Consultants, Inc.

  • Geosyntec is a consulting & engineering firm that works with private and public sector clients to address new ventures and complex problems involving our environment, natural resources, and civil infrastructure.

GHD - Walter Pochron

  • Walter is a Senior Hydrogeologist, technical specialist, and project manager with over 29 years of experience in environmental, geological, hydrogeological, and geophysical investigations.

Glenn R. Wentink, P.E.

  • Professional Engineer

GZA GeoEnvironmental, Inc. 

  • GZA is a firm offering comprehensive solutions for geotechnical, water, ecology, environmental and construction management service.

Interlake Mecalux

  • Interlake Mecalux is one of the leading intralogistics technology companies worldwide. It is at the cutting edge of warehouse automation and software development.  Its metal shelves are also synonymous with quality in the industry.

Jim Boguslawski

  • Independent Consultant for Gelatin/Collagen Peptide raw material procurement, manufacturing operations, and business analysis/development.

Mars Wrigley

  • The world we want tomorrow starts with how we do business today.

Northern Plant Services LTD

  • Formed in 1999, Northern Plant Services performs industrial and municipal environmental field services.

Relief EHS, LLC

  • EHS compliance consulting services that help businesses integrate compliance into how they do business and take pride in their safety and environmental performances.

S&C Electric Company

  • Founded in 1911, S&C Electric Company is a global provider of equipment and services for electric power systems.

S&C Electric

Scientific Control Laboratories, Inc.

  • We provide independent laboratory & environmental testing & training.  Our expert team of chemists, metallurgists, environmental engineers, and safety professionals are ready to take on any challenge your operation has.

SET Environmental, Inc.

  • SET Environmental helps industrial clients operate safely and protect the environment by providing emergency response, hazardous or non-hazardous waste transportation, and disposal in the Chicagoland area.

Teklab, Inc.

  • Teklab is a NELAP certified analytical lab celebrating its 40th annniversary.  We are a full-service lab which offers a wide array of analyses including:  Inorganics, Metals, and Organics including PFAS.  We service Chicago and the suburbs.

Terracon Consultants, Inc.

  • Our Engineers and Scientists specialize in environmental, facilities, geotechnical, and materials consulting & engineering services.

Valero Services/The Premcor Refining Group, Inc.

  • We are the world's largest independent petroleum refiner and the world's largest producer of low-carbon transportation fuels.