Mark-Costello Company Employee Directory

Environmental ServicesCalifornia, United States11-50 Employees

We our a manufacturer and provider of On-Site Medical Waste Sterilization (Autoclaves) equipment and service locally, nationally and international. Currently we have over 600 on-site medical waste systems professionally installed throughout the United States and 23 foreign countries.

Since 1956,  we have consulted, designed and engineered an excellent method of reducing the waste and recycle needs. Our team works diligently to understand and assess each client's unique needs to build a long term business relationships. Combining unparalleled experience, proven methodologies and sustainable designs to provide the results that clients need to make informed strategic business decisions. 

We have been selected by many logistic companies, distribution centers, manufacturing, retail centers, colleges and major universities, school districts, throughout Southern California area. By decreasing operating expenses and reducing trash bill up to 50% each and every month. Ideal for applications where space for a compaction system is limited, the volume of wet waste does not justify a larger system, or a roll-off collection service is not available.

Members of: ASME (American Society Of Mechanical Engineers), ASHE (ASHE (American Society for Healthcare Engineering), AHE (Association for the Healthcare Environment) and BOMA (Building Owner and Managers Association)

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Mark-Costello Company Global Highlights

Location
Employees

North America
3

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  • United States Of America
    3

Europe
1

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  • United Kingdom Of Great Britain And Northern Ireland
    1

Mark-Costello Company's Leadership

  • Stylized image of a person
    R. C.
    Director
    Phone icon
  • Stylized image of a person
    M. M.
    Administrator
    Phone icon

Contact profiles from Mark-Costello Company

Name
Title
Contact Info
Location
Last Update
  • Stylized image of a person
    R. C.
    Director
    Phone icon
    UNITED KINGDOMEssex
    Jun 10, 2025
  • Stylized image of a person
    M. M.
    Administrator
    Phone icon
    Oct 22, 2024

Frequently Asked Questions

What is Mark-Costello Company known for?

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Mark-Costello Company was founded in 1956 operates in the Environmental Services industry; you can contact the main corporate office by phone at . Explore Mark-Costello Company's company overview page for more information.

What is Mark-Costello Company's most common email format?

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Mark-Costello Company employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Mark-Costello Company email formats with LeadIQ.

How many employees does Mark-Costello Company have currently?

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Mark-Costello Company has approximately 13 employees as of December 2025. These team members are located across 2 continents, including North AmericaEurope.

Who are Mark-Costello Company's key employees and leadership?

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As of December 2025, Mark-Costello Company's key employees include:

  • Director: R. C.
  • Administrator: M. M.

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