Send us a message with any questions or concerns, and we'll get back to you with answers as soon as possible. Make sure that you confirm by also calling our customer service number below.

If you have an emergency, call 911 immediately for police, fire ambulance or other emergency services.

If you have a  immediate need for a  security call the Public Security LLC Duty Officer cellular phone 202-631-1153 or Customer Service

Customer Service 855-589-2267

Public Security LLC Licensing

Maryland Private Detective and Security Agency License #106-4352

New York Private Investigator License #11000165760

D-U-N-S #07-861-1284

Cage code: 72SY5

Associate Member of the Maryland State Bar Association #140177

Maryland State Police

Handgun Qualified Handgun Instructor

#QHIC-2015-0253

MARYLAND 

Public Security LLC

1831 Anchorage Drive

Chester, Maryland 21619

(Note: This is a Maryland physical address of Public Security LLC

(Not a walk-in location for business without permission or appointment)

(NO TRESPASSING)

855-589-2267 Customer Service

Public Security LLC 

822 Guilford Ave #1975

Baltimore, Maryland 21202

Public Security LLC

4450 Mitchellville Rd. #1139

Bowie, Maryland 20716

Public Security LLC registered with the

Maryland Dept. of Assessments and Taxation

Public Security LLC Licensed through the Maryland State Police as a Dual Private Detective and Security Agency

Maryland Private Detective Agency License 

# 106-4352

President of Public Security LLC

Barry R. Donadio

1831 Anchorage Drive

Chester, Maryland 2161

(Note: This is a Maryland physical address of Public Security LLC, not a walk-in location for business without permission or appointment) (payments may be mailed here)

(NO TRESPASSING)

[email protected]

855-589-2267 Public Security LLC

Barry Donadio's President of Public Security LLC Facebook Page

Barry Donadio's President of Public Security LLC LinkedIn Page

Upon request and negotiated terms, Barry Donadio is available for seminars and public speaking appearances.

NEW YORK

Public Security LLC provides private security and investigation services in the entire state of New York. Based on Long Island in Suffolk County, New York.

Public Security LLC

45 Lakewood Ave.

Ronkonkoma, New York 11779

(Note: This is a New York physical address of Public Security LLC it is not a walk-in location for business without permission or appointment)

(NO TRESPASSING)

855-589-2267 Customer Service

Public Security LLC registered with New York State Division of Corporations

Public Security LLC licensed with the New York Department of State

New York State Private Investigation Agency License #11000165760

VIRGINIA

855-589-2267 Customer Service

Public Security LLC is a registered business in Virginia

PENNSYLVANIA

855-589-2267 Customer Service

Public Security LLC is a registered business in the State of Pennsylvania

The Registered Agent for Public Security LLC in Pennsylvania is:

Pennsylvania Registered Office LLC

1150 First Ave., STE 511

King Of Prussia, Pennsylvania, 19406

Public Security LLC

BY APPOINTMENT ONLY

(855) 589-2267