The Mark-Costello Company Employee Directory

Environmental ServicesCalifornia, United States11-50 Employees

Mark-Costello Company operates in the Environmental Services sector as a manufacturer and provider of on-site medical waste sterilization equipment and related services. Based in Paramount, California, the company has been in operation since 1956. It has installed more than 600 on-site medical waste systems across the United States and in 23 foreign countries. 

Its work centers on consulting, design, and engineering to reduce waste and support recycling for each client, with a focus on building long-term business relationships. The client base includes logistics companies, distribution centers, manufacturers, retailers, colleges and universities, and school districts, and its solutions are positioned for settings with limited space or where traditional waste handling may not be feasible, with monthly reductions in operating costs and trash disposal of up to 50%. The firm holds memberships in professional organizations such as ASME, ASHE, AHE, and BOMA.

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