Allied Barton Security Officers Join the Citywide Washington DC Capitol Region Campaign to Organize SPO's Special Police Officers & Other Security Professionals in the DC Area.


Sign the LEOSU-DC Membership Form Below Today to Become a Member!

Law Enforcement Officers Security Unions (LEOSU - DC)


1155 F St NW #1050
Washington, DC 20004
Email Us: LeosUnions@Gmail.Com

Tel:  (202)-595-3510
Fax: (202)-595-3510


Law Enforcement Officers Security Unions (LEOSU-DC) is open to both individual Law Enforcement Officers, Special Police Officers, Security Police Officers, Security Officers & Security Guards in all industries in the Washington DC Capitol Region as well as the Northeast for the purposes of mutual aid and protection as well as groups for the purposes of collective bargaining.

AlliedBarton Security Service is the largest American-managed security officer services company. Established in 1957, AlliedBarton is a trusted leader with proven expertise in a number of markets, including:

  • Chemical & Petrochemical

  • Colleges & Universities

  • Commercial Real Estate

  • Defense & Aerospace

  • Financial Institutions

  • Government Services

  • Healthcare

  • Manufacturing & Industrial

  • Residential Communities

  • Shopping Centers

  • Transportation

  • Utilities

AlliedBarton has more than 60,000 employees and 120 regional and district offices located across the United States from which we help protect our more than 3,300 clients.


AlliedBarton Timeline

  • 1957 - Allied Security, Inc. was founded in Pittsburgh, Pennsylvania

  • 1977 - Barton Protective Services was founded in Atlanta, Georgia.

  • 1980 - Spectaguard was founded in Philadelphia, Pennsylvania.

  • 1999 - Spectaguard acquired Effective Security Systems and Effective Management Services, of White Plains, NY.

  • 2000 - Spectaguard acquired Allied and combines to form Allied Security - the third largest security company in the United States.

  • 2003 - Allied acquires Professional Security Bureau (PSB).

  • 2004 - Allied acquires Security Systems Inc. (SSI) of Malden, MA and Barton Protective Services to form AlliedBarton Security Services - creating the largest American-owned contract security services company in the United States.

  • 2006 - AlliedBarton acquires Initial Security.


Find great career opportunities in the DC area. We believe that people are our most valuable asset. Apply now!


LEOSU Washington DC -The District of Columbia's Newest 9(b)3 Security Union for Law Enforcement & Special Police Officers serving Washington DC Capitol Region 

Washington DC

Law Enforcement Officers Security Unions (LEOSU-DC)

1717 Pennsylvania Avenue NW, 10th Floor
Washington, D.C. 20006

Tel: 202-595-3510

The Washington metropolitan area is the metropolitan area centered on Washington, D.C., the capital of the United States. The area includes all of the federal district and parts of the U.S. states of Maryland and Virginia, along with a small portion of West Virginia.


The Washington metropolitan area is the most educated and, by some measures, the most affluent metropolitan area in the United States. As of the 2012 U.S. Census Bureau estimate, the population of the Washington metropolitan area was estimated to be 5,860,342, making it the largest metropolitan area in the Census' Southeast region and the seventh-largest metropolitan area in the country.

©  Law Enforcement Officers Security Unions (LEOSU) and its Washington DC District Union Division (LEOSU-DC)

Affiliated with the United Federation Law Enforcement Officers Security & Police Benevolent Association (LEOS-PBA) All rights reserved.