911 Security Services, Inc. 248 50 Street, Brooklyn, NY 11220 Save Share Share This Post facebook twitter linkedin google pinterest Description Maps Description Security unarmed guards, watch, guard and patrol. Contact Name Martha Hernandez Maps Map Street View Get Directions Close Business Info Get Directions 248 50 Street, Brooklyn, NY 11220 [email protected] Browse Nearby Accommodation and Food Services Administration, and Support and Waste Management Services Alternative Healthcare Art Gallery Arts & Culture Arts, Entertainment, and Recreation Bags Bar Barber Shops & Hair Salons Beauty & Health Beauty Product Store Body Bookstore Business Cleaners & Tailors Clothing Store Coffee & Tea Commercial & Professional Services Construction Day Care Center Drinks Educational Services Entertainment Essentials Event Spaces & Banquet Halls Fashion Finance and Insurance Fitness Fitness & Gyms Food Food Truck Furniture & Home Goods Gifts & Collectibles Groceries & Convenience Groups Hardware & Home Improvement Hat Shop Health Care and Social Assistance Healthcare Home & Hobby Information Jewelry Store Juice & Smoothies Laundry Learning Centers & Studios Leather & Accessories Liquor & Wine Lodging Management of Companies and Enterprises Manufacturing Massage & Relaxation Misc Municipal Museum Nail Salon Organization (Non-Gov't) Other Services (except Public Administration) Performance Venue Pet Store Pharmacy Plants & Flowers Printing Professional Services Real Estate and Rental and Leasing Records & Video Games Religious Center Restaurant Retail Trade Scientific or Technical Services Services Shipping & Postal Shoe Store Sporting Goods & Outdoor Equipment Sweets & Desserts Technology Transportation and Warehousing Utilities Vitamin & Supplement Store Wholesale Trade Show all