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Centerra Group

Centerra Group has business lines in security, fire support services, integrated facilities support services, construction, fleet maintenance, and training. Learn how you can join a company that’s:
One of the largest providers of security services to the United States Federal Government and commercial customers. We safeguard sites of great significance to the United States’ national security, including facilities that house Category I Special Nuclear Material (SNM) as well as sites of cultural and historical significance, such as the United States Holocaust Memorial Museum.

Responsible for safeguarding the United Stated Federal Government’s most critical assets and facilities, including the Department of Energy, National Nuclear Security Administration, National Aeronautical and Space Administration, and other National strategic assets and resources.

A premier provider of comprehensive and compliant Fire and Emergency Management Services (EMS) supporting operations of all response levels and complexity nationally and abroad. Our reputation is built on more than 50+ years of quality Fire Protection, Fire Prevention, Fire Protection Engineering, Emergency Response and Aircraft Rescue and Fire Fighting (ARFF) services to our customers.

Known for delivering superior work, cost-effective results and complete customer satisfaction. We successfully and consistently achieve results through disciplined planning and scheduling, the application of computerized maintenance management systems and the unsurpassed technical expertise of our highly skilled workforce.
Providing comprehensive construction services since 1995 for customers including the Department of Defense, the Department of Homeland Security and the US Postal Service. Centerra’s construction services range from minor building renovations to refurbishments of wastewater treatment plants to replacement of boat docks and marine facilities.

Innovative fleet maintenance solutions to improve fleet availability, safety and life expectancy while reducing operating and maintenance costs. Our highly trained workforce, advanced technologies and proven management practices help our clients in the federal, state, and municipal governments and for commercial customers at locations throughout the United States achieve their goals through top-quality.
A renowned leader in the security training industry, consistently at the forefront delivering hands-on, realistic, and effective approach to security training. We provide a wide range of specialized training to thousands of students from the U.S. Government and commercial sectors. Our training is tailored to meet our customers’ unique training requirements.

The quality of our performance will serve as the industry benchmark through our ability to perform as a diversified support services company, while maintaining a strong presence in the protective services market. Centerra Group will maintain its position as the premier provider of security service to the Department of Energy and NASA, while vigorously pursuing other federal government clients. WSI will expand its operation to support security, fire, aviation, facility management, training and demining operations within the United States and abroad.

WSI Headquarters
7121 Fairway Drive
Suite 301
Palm Beach Gardens, FL 33418
561.472.0600 / 800.325.5432

Regional Offices
Washington Operations
6710 Oxon Hill Dr.
Suite 200
Oxon Hill, MD 20745

Armor Group Gulf Coast
11616 Industriplex Blvd.
Suite 1
Baton Rouge, LA 70809
G4S International Training, Inc. (G4S ITI)
P.O. Box 709
West Point, VA 23181

RONCO Consulting Corporation DBA G4S-C3
6710 Oxon Hill Road, Suite 200
Oxon Hill, MD 20745
G4S Integrated Services (G4S IS)
(formerly All Star International, Inc.)
12250 El Camino Real
Suite 300
San Diego, CA 92130


4800 Overton Plaza, Suite 380
Fort Worth, TX 76109

Equal Employment Opportunity and Diversity Centerra Group is an Equal Opportunity/Affirmative Action Employer. We uphold all federal and state civil rights laws. Our policy is to recruit, employ, promote and ensure that all personnel actions are made without regard to race, religion, color, sex, age, national origin, disability, veteran status, ancestry, medical condition, marital status, genetic information or other factors protected by law. Each year, we prepare an Affirmative Action Plan that reasserts our continuing commitment to equal treatment for all.

Our policies impose only valid requirements and do not exclude capable persons either intentionally or unintentionally. We are committed to providing equal opportunity to all employees. We base decisions about employment, promotions, and other personnel matters so as to further the principle of Equal Employment Opportunity. We provide support to public and private community programs dedicated to achieving Equal Employment Opportunity objectives.

In addition to the above, we hereby assert our continuing commitment to recruit, hire, train and promote persons in all job titles, and ensure that all other personnel actions are administered, without regard to special disabled veteran, Vietnam era veteran, disabled veteran, newly separated or recently separated veteran, other protected veteran, or Armed Forces Service Medal veteran status; and ensure that all employment decisions are based only on valid job requirements. Further, we do not discriminate against any employee or applicant for employment because of a physical or mental disability in regard to any position for which the employee or applicant for employment is qualified. Centerra Group not only complies with all civil rights laws, but also recognizes the value of diversity by drawing upon myriad perspectives and experiences present in our global community. Inclusion through recruiting, hiring, developing, training and promoting employees of all races, ethnic groups, religions, ages, the qualified able and disabled, and men and women is essential to the success of the company. We are committed to fostering an environment that promotes inclusion, respect, and appreciation for diversity and support the various cultures within the workplace. If you have any questions regarding Equal Employment Opportunity or Affirmative Action, contact the company’s Corporate Human Resources Department.