About Us

Founded in 2000, ACTenviro is a nationally-recognized environmental and hazardous waste management firm, and one of the top 100 recyclers in the United States. We have 2,500 clients that range from small businesses to local, state and federal government agencies to well-known, multinational Fortune 100 firms.

Here is a recent video one of our vendors did on us as an illustration of our core value of Customer Commitment. It showcases our unceasing dedication to keep our information systems state-of-the-art.

Our Commitment
To Protecting the Environment

Another of ACTenviro’s core values is Forward Thinking, and that ethic underlies our sustainable approach to everything that we do. Keeping one eye on the future ensures that we continually focus on protecting people, promoting health and safeguarding the planet’s natural spaces. As part of our commitment, we manage our internal operations in ways that are both socially and ecologically responsible. We constantly search for new innovations that will help our customers and our team minimize environmental impact and sustain healthy communities.

Beyond helping our clients recycle an average of 87% of their waste shipments, ACTenviro offers a full range of environmental management services, such as:

We own and operate our own TSDF in Albuquerque, NM, giving our clients a turnkey approach to their recycling and disposal needs.

We have 17 locations servicing the western and southwestern regions of the U.S. Headquartered in San Jose, CA, in the heart of Silicon Valley, ACTenviro is on the cutting edge of environmental management.


tons of Liquid Waste Derived Fuels delivered


tons of coal taken “off the streets”


valuable landfill space saved via shredding


each ton of waste-to-energy powers a home for over 2 weeks

Our Purpose-Driven Executive Team

Walter H. Singer


The Chairman and Founder of ACTenviro, Walter H. Singer has led the company to become a market-leading environmental presence in California. ACTenviro has experienced consistent financial...
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Tim Smith


With a diverse skillset ranging from business development and strategic planning to change management and organizational leadership, Tim has spent more than a decade growing companies...
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Tyler Kopet

Chief Financial Officer

Tyler’s wide range of expertise spans not only traditional accounting and finance but acquisitions, human resources, I.T., risk management and strategic planning....
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Pasquale M. Paduano

Vice President of TSDF and Fleet

Pasquale has over 30 years of successful operations management and sales leadership experience in the environmental management services industry...
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Shawn Ball

Vice President of Sales

Shawn has spent over 18 years in the environmental industry, with experience in operations management and sales leadership...
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Krista Wood Harsono

Director of Compliance

As ACT’s Corporate Compliance Director, Krista brings more than 12 years of experience in the environmental industry. Under Krista’s guidance...
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Awards & Recognitions

Inc. magazine 500/5000 Rankings of Fastest Growing Companies 11 years in a row through 2020 (fewer than 2% of companies repeat this long)

Bay Area News Group Top Places to Work, 2019

San Diego Business Journal Fastest Growing Private Companies, 2019

San Diego’s Best and Brightest Companies to Work For, 2018

Silicon Valley Business Journal Fast Private List, 2019

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