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.

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! ❤️🎄

We’ll be taking a short break to celebrate Thanksgiving with our loved ones. We will be closed November 27-30, and we’ll...
11/25/2025

We’ll be taking a short break to celebrate Thanksgiving with our loved ones. We will be closed November 27-30, and we’ll be back ready to help you right after the holiday. Wishing you all a wonderful and restful Thanksgiving!

Another day…another load of compactors delivered.
11/14/2025

Another day…another load of compactors delivered.

Strong. Reliable. Looking good as ever in a less used color… 🩵🚮
11/07/2025

Strong. Reliable. Looking good as ever in a less used color… 🩵🚮

Tiny but mighty 💪
10/17/2025

Tiny but mighty 💪

Lifting the load so you don’t have to. ♻️🗑️
10/10/2025

Lifting the load so you don’t have to. ♻️🗑️

Dual Compactor Install at OC Hospital! 👯
09/26/2025

Dual Compactor Install at OC Hospital! 👯

Address

15351 Texaco Avenue
Paramount, CA
90723

Website

Alerts

Be the first to know and let us send you an email when The Mark-Costello Company posts news and promotions. Your email address will not be used for any other purpose, and you can unsubscribe at any time.

Contact The Business

Send a message to The Mark-Costello Company:

Shortcuts

Share