Company Showcase

Learn more about the GWMS sponsors

Repubic Services - Gold Sponsor

Republic Services, Inc. is a leader in the U.S. environmental services industry. Through its subsidiaries, the Company provides superior customer experience while fostering a sustainable Blue Planet® for future generations to enjoy a cleaner, safer and healthier world. For more information, visit, or follow us at, @RepublicService on Twitter or Republic Services on LinkedIn.

Waste Connections - Gold Sponsor

Waste Connections is an integrated solid waste services company that provides non-hazardous waste collection, transfer and disposal services, along with resource recovery primarily through recycling and renewable fuels generation. The Company serves more than eight million residential, commercial and industrial customers in mostly exclusive and secondary markets across 44 states in the U.S. and six provinces in Canada. Waste Connections also provides non-hazardous oilfield waste treatment, recovery and disposal services in several basins across the U.S., as well as intermodal services for the movement of cargo and solid waste containers in the Pacific Northwest. For more information, visit Waste Connections at 

Waste Management - Gold Sponsor

WM is  the leading provider of comprehensive waste management services in North America, providing services that range from collection and disposal to recycling and renewable energy generation. 

SCS Engineers - Silver Sponsor

SCS Engineers' work has a great mission; we're helping communities stay safe and helping our clients meet their regulatory goals to run cleaner – it's all for a good purpose. Our core capabilities are solid and hazardous waste management, renewable energy, GHG reduction, and environmental compliance—comprehensive-service, with a deep technical bench. 

Tetra Tech - Silver Sponsor

“Tetra Tech is Leading with Science® by providing high-end and integrated solid waste solutions for public and private clients with integrity, creativity, and ingenuity. Our engineering and consulting expertise spans the full life cycle of solid waste facility development projects from planning, permitting, and design to construction and operations.” 

AGRU America, Inc. - Bronze Sponsor

AGRU America is the world’s leading manufacturer of flat die extrusion geomembranes, geonets, geocomposites, geotextiles, and geosynthetic clay liners. Part of AGRU GmbH, AGRU America is an Austrian family-owned business since 1948 with production facilities in Austria, the U.S., Germany, and China, and product distribution in over 80 countries worldwide. 

APTIM - Bronze Sponsor

APTIM is a global industry leader headquartered in Baton Rouge, Louisiana. With more than 5,000 employees worldwide, APTIM specializes in critical infrastructure, engineering, environmental services, program management, resiliency, and sustainability and energy solutions. Our dedicated people provide integrated services and solutions to government agencies, commercial, industrial and energy customers.

Geo-Logic Associates - Bronze Sponsor

Geo-Logic Associates (GLA) is a multidisciplinary environmental, civil and geotechnical engineering consulting firm with over 260 professionals in 30 offices in the U.S. The GLA team has completed projects at over 300 landfills and provides services through the entire lifecycle of a waste facility, from site selection to post-closure monitoring.

Hitachi Zosen Inova USA - Bronze Sponsor

Zurich based HZI ( is the leading global provider of first-class technology and turnkey plants for energy recovery from waste, with over 80 years of experience in plant construction and some 600 reference projects worldwide, including over 100 Kompogas® Anaerobic Digestion plants and more than 50 gas upgrading systems. 

Kompogas® anaerobic digestion plants are uniquely designed to work as a complete, turn-key system, to efficiently process residential, commercial, and industrial source separated organics (SSO) into Renewable Biogas. 

Anaergia - Tabletop Plus

Anaergia was created to eliminate a major source of greenhouse gases by cost effectively turning organic waste into renewable natural gas (“RNG”), fertilizer and water, using proprietary technologies. With a proven track record from delivering world leading projects on four continents, Anaergia is uniquely positioned to provide end-to-end solutions for extracting organics from waste, implementing high efficiency anaerobic digestion, upgrading biogas, producing fertilizer and cleaning water. 

ARM Group - Tabletop Plus

ARM Group is a science and engineering firm that provides civil/environmental, electrical/automation, and technical field services in the Mid-Atlantic region for the following markets: Solid Waste; Energy; Development & Construction; Industrial & Manufacturing; Water; Mine & Quarry and Transportation markets.

EARTHRES - Tabletop Plus

EARTHRES design, permitting, monitoring, and construction operations support services span all solid waste facilities including landfills, material recycling and recovery facilities, transfer stations, composting, biosolids, and other waste conversion/diversion facilities, hazardous waste and medical waste processing facilities. Let us help keep your operation running at optimum performance levels.

Global Containment Solutions - Tabletop Plus

Global Containment Solutions is a Wisconsin based waste containment company providing effective solutions to containment projects. GCS utilizes the latest technology in geosynthetics installation equipment. GCS is a proud strategic partner with Lite Earth & GSE/Solmax to offer a new option for long-term closure of Municipal Solid Waste (MSW), Coal Combustion Residuals (CCR), and other Monofils, Mining, and other applications. GCS is the exclusive distributor of Lite Earth throughout the United States.  

Golder - Tabletop Plus

Golder is now a member of WSP. Our combined forces mean a deeper bench of resources and a broader footprint to better serve our clients. This integration also enhanced our capabilities and expanded services such as Leachate Deep Well Injection and Carbon Capture Sequestration. Visit us and discover WSPIGolder! 

ISCO Industries - Tabletop Plus

ISCO Industries is the landfill specialist, able to supply today’s new or evolving landfill with all of the pipe, fittings, services and fusion equipment associated with HDPE applications – including a diversity of complementary products for the collection of leachate and methane gas. 

QED Environmental Systems - Tabletop Plus

QED Environmental Systems design, manufacture and support environmental technology solutions for groundwater, soil and gas management applications in industrial, environmental and energy markets worldwide.  

Rochem Americas - Tabletop Plus

Rochem Americas offers a full range of systems for the treatment of leachate. Over 500 leachate treatment systems have been installed worldwide, ranging from 5,000 to 500,000 gallons per day. Rochem Systems are constructed of the highest grade materials using our decades of experience to provide effective, reliable operation. 

SGS - Tabletop Plus

SGS is the world’s leading testing, inspection and certification company. SGS is recognized as the global benchmark for quality and integrity. With more than 89,000 employees, SGS operates a network of over 2,600 offices and laboratories around the world. We are constantly looking beyond customers’ and society’s expectations in order to deliver market leading services wherever they are needed. Working together to make the world a better, safer place. 

SLR International Corporation - Tabletop Plus

SLR is a global leader in environmental and advisory solutions: helping clients achieve their sustainability goals through high quality services. We provide an opportunity for great, experienced people to partner with great clients on multi-disciplinary environmental challenges in a collaborative, equal, and entrepreneurial 'One Team' culture.”