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HF&H provides solid waste and recycling consulting services to public agencies, including SB 1383 compliance services, contracting assistance, rate studies, waste hauler audits, contract management, and recycling/organics program planning. Please contact Laith Ezzet, Sr. Vice President, at or go to


PEI is a design and manufacturing company specializing in biogas processing systems and equipment. If your project requires utility flare systems, enclosed flare systems, gas handling systems, blower systems, or compressed gas systems PEI has the pre-engineered, guaranteed system for your application!


Tetra Tech is a leading provider of consulting and engineering services. The Company supports government and commercial clients by providing innovative solutions focused on water, environment, infrastructure, resource management, energy, and international development. With 20,000 associates worldwide, Tetra Tech's capabilities span the entire project life cycle.

Weaver Consultants Group

Weaver Consultants Group® is a multi-disciplinary engineering and environmental consulting firm offering over 100 professional services, including science-based odor control. WCG brings a high level of expertise to the entire odor mitigation process, providing fully integrated, custom-engineered odor control delivery systems and proprietary chemical solutions to clients nationwide.

MSW Consultants provides solid waste consulting services to local governments in the areas of finance, economics, and public policy.  We offer regulatory compliance, including tracking with our Minerva software, auditing, contract negotiation, rate setting and analysis, competitive service procurement, contract compliance, and waste diversion services.   Contact David Davis, President, at or learn more about MSW Consultants here:  Learn more about Minerva here:

MME is a proven leader and has provided innovative solutions for customers in the governmental and private sectors since 1992. High quality products backed by committed, well trained employees have catapulted MME to the top of the municipal sales market. This is supported by our ranking as the #1 Vac-Con dealer in the United States and our top 5 rankings with other manufactures like Schwarze, Tiger and Stertil Koni.   More...

HDR solves complex waste issues with upfront studies, strategic planning, permitting, design and construction services. We deliver cost-effective, socially and environmentally-accepted solutions including economic evaluations, collection/waste characterization studies, facility/collection procurements, market/technology research, long-term strategic planning, and strategic communication services.


SCS, an environmental consulting and construction firm is celebrating its 50th year in business, SCS Engineers is producing technologies and programs that lower industrial operating costs and reduce greenhouse gases for private and public clients establishing goals to reduce their environmental impact.


The roots of the WALKING FLOOR® unloader began in 1950, when founder Keith Foster—the “Keith” in KEITH—developed material handling equipment for the agriculture industry. KEITH Manufacturing was launched in the early 1970s in Madras, Oregon when Foster set off to make the most reliable, durable and effective unloading system. The KEITH WALKING FLOOR® system soon set the industry standard in moving floor technology.

Today, the company is led by the second and third generation of the Foster family, which is committed to customer success.

Athens Services is a local, family-owned waste collection and recycling company that has been a fixture in the greater Los Angeles community for the past 60 years. We provide innovative, consistent and quality environmental services to our more than 250,000 customers in 50+ communities. Through reuse, recycling and composting, Athens diverts valuable resources from landfills.

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