Who we are

Working safely to cleanup the environment and protect our future

Contractor for the U.S. Department of Energy

We manage the 10-year, $1.4 billion Los Alamos Legacy Cleanup Contract for the U.S. Department of Energy, Environmental Management, Los Alamos Field Office.

Our Leadership

A group of talented, qualified individuals lead our efforts to clean up and protect legacy waste at LANL and protect the environment.  


N3B is a limited liability company owned by HII Nuclear, a division of Huntington Ingalls Industries, and BWX Technologies. Critical subcontractors are Tech2 Solutions and Longenecker & Associates. 

Working with the DOE, Environmental Management’s Los Alamos Field Office to clean up the environmnet and protect the future

N3B’s primary responsibility is to characterize, manage and cleanup legacy waste at Los Alamos National Laboratory. Legacy waste is defined as waste that was generated before 1999.

N3B Parent Companies

HII Nuclear, part of Huntington Ingalls Industries, brings the management, resources, capabilities and workforce of more than 37,000 people and delivers Tier 1 prime contractor capabilities to clients, including complex nuclear facility management and environmental management. Performance highlights include the operation of nuclear production facilities at the Savannah River Site in South Carolina and waste management at the Hanford Site in Washington state. Safe performance has led to earning the first nationwide DOE Voluntary Protection Program STAR.    

At BWX Technologies, Inc. (NYSE: BWXT), we are People Strong, Innovation Driven. Headquartered in Lynchburg, Va., BWXT provides safe and effective nuclear solutions for national security, clean energy, environmental remediation, nuclear medicine and space exploration. With approximately 6,650 employees, BWXT has 12 major operating sites in the U.S. and Canada. In addition, BWXT joint ventures provide management and operations at more than a dozen U.S. Department of Energy and NASA facilities.  Follow us on Twitter at @BWXTech and learn more at www.bwxt.com.

N3B Critical Subcontractors

Longenecker & Associates Inc. (L&A), a woman-owned small business, brings more than 25 years’ experience in working across the U.S. Department of Energy complex to strengthen quality and improve mission performance. With about 230 internationally recognized experts, L&A supports the government or its contractors at all major DOE sites, including Hanford, Savannah River, Idaho, Oak Ridge, Sandia, Los Alamos, WIPP, Pantex, Nevada, Portsmouth and Paducah, as well as similar sites in the United Kingdom and Canada. As a values-based company, L&A’s core values are a critical part of how its business is conducted, and it brings proven governance approaches to optimize mission delivery. 

Tech2 Solutions is a joint venture formed by partners Sealaska Technical Services LLC and Tetra Tech Inc. Through our parent companies, we provide more than 50 years of experience in water and waste water engineering and remediation. Sealaska is an Alaska Native Corporation with broad water and soil remediation experience. Tetra Tech is a leading provider of consulting and engineering services supporting commercial and government clients focused on water, environment and resource management. With 21,000 staff worldwide, Tech2 Solutions provides clear solutions to complex problems.

N3B Leadership Team

Glenn Morgan


Joe Legare

Vice President & Executive Officer

Mary Erwin

Vice President & Chief Financial Officer

Jerry O'Leary


Jason Moore

Chief Information Officer

Joe Noll

Engineering & Nuclear Safety

Kim Lebak

Environmental Remediation

Joe Murdock

Environment, Safety & Health

Dana Lindsay

General Counsel

Tashia Vigil

Human Resources

John Tucher

Internal Audit

Jim Denham

Plan Program Manager

Tom Harrison

Quality Assurance & Transformation

Jeff Holland

Regulatory & Stakeholder Interface


N3B Los Alamos
1200 Trinity Drive
Suite 150
Los Alamos, NM 87544


(505) 257-7690



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