NSSI The five fundamental areas of our organization are Tritium Recycling, Sealed Sources, RCRA Waste, Mixed Waste, and Low Level Radioactive Waste.

NSSI offers services and products including chemical and radioactive decontamination, leak testing, radiation instrument calibration, radiation safety training, and waste disposal. NSSI continues to strive on an upward trajectory toward success with a vigorous emphasis on recycling, waste minimization, clean treatment/disposal options and waste management methods incorporating a strong value on be

ing eco-friendly by providing our services in a clean, safe, and environmentally friendly approach. NSSI has been permitted and licensed for the manufacture, use, collection, treatment, disposal, storage, transfer, servicing of radioactive sealed sources, radioactive materials, hazardous mixed waste, and hazardous/non-hazardous chemicals. NSSI currently holds Texas Radioactive Materials Licenses LO-2991 and RO-1811. The company obtained its final part B permit # HW-50269 by the Texas Commission of Environmental Quality in 1990 and its EPA TXD982560294 to receive a broad spectrum of waste. Our extensive licenses afford us the ability to provide a wide range of services to our customers that otherwise may be hard to perform within the constraints of their existing licenses.

NORM and TENORM waste can create complex regulatory, transportation, and disposal challenges for many industries.NSSI pr...
05/29/2026

NORM and TENORM waste can create complex regulatory, transportation, and disposal challenges for many industries.

NSSI provides expert solutions for the safe characterization, handling, transportation, and disposal of NORM/TENORM materials—helping organizations stay compliant and operate safely.

Learn more about our NORM/TENORM services and capabilities on our website.
https://www.nssihouston.com/norm-tenorm

This Memorial Day, we pause to honor and remember the brave men and women who made the ultimate sacrifice in service to ...
05/25/2026

This Memorial Day, we pause to honor and remember the brave men and women who made the ultimate sacrifice in service to our country. Their courage, dedication, and selflessness will never be forgotten.

Today, we reflect with gratitude on the freedoms we enjoy because of those who gave everything to protect them. 🇺🇸

Monthly Reminder: NSSI is your trusted partner for comprehensive waste management, beyond just radiological solutions. W...
05/08/2026

Monthly Reminder: NSSI is your trusted partner for comprehensive waste management, beyond just radiological solutions.

We offer:

• HAZARDOUS WASTE
• NON-HAZARDOUS WASTE
• UNIVERSAL WASTE
• CONTAINERIZED WASTE
• LAB PACK SERVICES
• FIELD SERVICES
• LOW LEVEL RADIOACTIVE WASTE
• MIXED WASTE
• SEALED SOURCES
• NORM WASTE
• TRITIUM RESEARCH & RECOVERY

In the lab or field, we’re here to assist!

Contact us to team up!

🌍 Happy Earth Day from NSSI! 🌱We're dedicated to protecting the planet with responsible waste management. Today, let’s r...
04/22/2026

🌍 Happy Earth Day from NSSI! 🌱

We're dedicated to protecting the planet with responsible waste management.

Today, let’s remember that every choice matters in creating a cleaner, safer future for generations to come. 💚

🚨 We’re hiring at NSSI! If you’re looking to grow your career with a team that values safety, professionalism, and makin...
04/16/2026

🚨 We’re hiring at NSSI! If you’re looking to grow your career with a team that values safety, professionalism, and making an impact, now’s the time to apply. Explore our open positions and submit your application today through the link below.

🔗 https://www.nssihouston.com/careers

🔬 Supporting Fusion Energy's FutureNSSI collaborates with fusion start-ups for safe tritiated waste management through i...
04/10/2026

🔬 Supporting Fusion Energy's Future

NSSI collaborates with fusion start-ups for safe tritiated waste management through innovative research. With technical expertise and advanced capabilities, NSSI drives next-gen energy forward safely.

It’s Opening Day.In baseball—and in hazardous waste management—precision, discipline, and teamwork make all the differen...
03/26/2026

It’s Opening Day.
In baseball—and in hazardous waste management—precision, discipline, and teamwork make all the difference.

NSSI is ready for another season of delivering safe, compliant solutions.

This St. Patrick’s Day, we’re reminded that in hazardous and radiological waste management, success isn’t about luck—it’...
03/17/2026

This St. Patrick’s Day, we’re reminded that in hazardous and radiological waste management, success isn’t about luck—it’s about expertise, precision, and doing things the right way every time.

At NSSI, safety and compliance aren’t left to chance.

In Women’s History Month, NSSI honors women's contributions in environmental services and industrial safety.Their expert...
03/13/2026

In Women’s History Month, NSSI honors women's contributions in environmental services and industrial safety.

Their expertise and leadership are vital for safe, sustainable operations in our industry.

Thank you to the professionals driving progress! 🌍💪

🌍 Monthly Reminder: NSSI is your trusted partner for comprehensive waste management, not just radiological solutions.We ...
03/06/2026

🌍 Monthly Reminder: NSSI is your trusted partner for comprehensive waste management, not just radiological solutions.

We provide a wide range of services:

• Hazardous Waste
• Non-Hazardous Waste
• Universal Waste

Whether in the lab or out in the field, we're here to assist with your next project.

Contact us and let’s team up!

Address

5711 Etheridge Street
Houston, TX
77087

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

(713) 641-0391

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