The Mark-Costello Company

The Mark-Costello Company Manufacturing Medical Waste Sterilizers,Balers and providing Compactors since 1956.

We are celebrating over 60 years of business, specializing and providing solutions to the most complex situations that have made us the leader in On-Site Medical Waste Sterilization, Waste Compaction and Industrial Recycling Equipment in the marketplace today.

Our office will be closed Friday, July 3rd, in observance of Independence Day. We will reopen on Monday, July 6th. Wishi...
07/01/2026

Our office will be closed Friday, July 3rd, in observance of Independence Day. We will reopen on Monday, July 6th. Wishing everyone a safe and happy Fourth of July! 🇺🇸 #250

Built on experience. Delivered with precision. Over 1,000 medical waste autoclavesdelivered since 1973.
02/09/2026

Built on experience. Delivered with precision. Over 1,000 medical waste autoclaves
delivered since 1973.

got balers?
02/02/2026

got balers?

Don’t tell anyone, but we jumped the fence from Lincoln to Miller. 🤫
01/27/2026

Don’t tell anyone, but we jumped the fence from Lincoln to Miller. 🤫

Here’s what happens when you have 10 compactors delivered on the same day.
01/09/2026

Here’s what happens when you have 10 compactors delivered on the same day.

Happy New Year! The office will be closed 1/1/26 - 1/4/26
12/31/2025

Happy New Year! The office will be closed 1/1/26 - 1/4/26

The Mark-Costello Company will have a half day on 12/24 and will be closed 12/25 - 12/28. Have a wonderful Holiday! ❤️🎄
12/23/2025

The Mark-Costello Company will have a half day on 12/24 and will be closed 12/25 - 12/28. Have a wonderful Holiday! ❤️🎄

Address

15351 Texaco Avenue
Paramount, CA
90723

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