Burglar, Fire Alarms, Video Surveillance, Card Access, Security Lighting, Monitoring.

Thousands of businesses and organizations that have trusted Sentry Communications & Security to protect and enhance their home or businesses with professional and reliable security and communications service.

Corporate:
Lakeview Mercedes Benz
Westbury Fiat
Levittown Ford
Gateway Freight
Expressway USA
Salermo Jewelers
Bartelstone Glass Distributors
Accurate Box Company
La Farge Cement
Maaco Auto Body
Nac Foods
Atlantic Beverage
The Ice House
Bell Environmental
Chemprene Inc.
Olsson's Pharmacy
Progressive Brick & Stone
AF Supply (7 locations)
Palace Plumbing & Heating Supply
Platsky Company Inc
Dellon Sales Company
S. Hyman Plumbing Supply
Jasco Plumbing & Heating Supply
Pace Plumbing
Henry Quentzel Plumbing Supply
B&F/Johnstone Supply (3 locations)
A.L. Eastmond & Sons Inc
Feldman Lumber
BlueLinx Corporation
F.W. Honerkamp Co., Inc
Triangle Building Products
Kamco Supply (3 locations)
J&S Supply Corp
Agrexco, LTD
Hess Oil
AIG
Awisco New York Corp
General Welding Supply (2 locations)
The Unbank Company (7 locations)
Transportation Safety Administration
Converse
Dyna-Empire Inc
Aramark Corporation
Chesapeake Corporation
Valcor Engineering Corp
Shred-It (A Securit Company
Arizona Beverage Company
Covanta Energy Corporation (2 Loc)
Cox Radio Inc.(102.3 WBAB,106.1 BLI)
Sheraton Long Island Hotel
Beach Bum Tanning (19 locations)
Bartelstone Glass Distributors
We Sell Cellular LLC
Disc Graphics Inc
Century Direct
Action Envelopes/Envelopes.com LMC Lube & Car Washes (8 loc)
Sky King Fire Works
Ridge Check Cashing (9 loc)
Lakeview Mercedes Benz
Westbury Jeep Chrysler Dodge
Fiat of Westbury
Grand Prix Chrysler Dodge
Koeppel Nissan
Ray Catena Lexus of Larchmont
Ray Catena Lexus of Harrison
Pella Windows & Doors
Tortorella Pools
4C Foods Inc
Aladdin Bakers, Inc
Topiderm Incorporated
Lady Burd Cosmetics
Lancer Insurance
Moveway Transfer & Storage
Manhattan Cabinetry
Baumann & Sons Buses Inc
Educational Bus Transportation
Nesco Bus Maintenance
Midtown Operating
Salem Truck Leasing
Supersol (4 locations)
Mister Softee
Key Foods (several locations)
C-Town (several locations)
Beyer Farms Inc
Derle Farms Inc
Cumberland Farms
Instant Whip Foods
Pets Supplies Plus (5 locations)
Rason Asphalt (2 locations)
Hauppauge Animal Hospital
Eastport Animal Hospital
Cascade Linen & Uniform
Eastern Steel Corporation
PK Metals
Gershow Recycling Corp (7 locations)
Sanitation Salvage

Child Care/Day Camps:
Merrick Woods Day School & Camp
Rolling River Day School
The Rinx Pre-School Academy
Early Intervention Center
The Mary Bobb Learning Center
The Little Red Train School
Hi-Hello Child Care Center
Day Care Works, LLC
Marcus Avenue Early Childhood Development Center
CCS Montessori Center
Kiddy Academy of Hicksville
Kiddie Academy of Little Neck

Municipalities:
City of Long Beach
Inc. Village of Port Jefferson Village Hall
Village of Head of the Harbor
Inc. Village of Amityville

Assisted Living/Nursing Homes/Hospitals:
Atria of Lynbrook
St. Johnsland Hospital
Staten Island Care Center
Glengariff Health Care Center
Greenpark Care Center
Nesconset Nursing Center
Morningside Nursing Home
St. Vincent de Paul Residence
Mary Manning Walsh Residence
The Evergreens
Peconic Landing
Medford Multi-Care Center
Central Island Healthcare
Riverhead Nursing Center
Daleview Care Center
Castle Senior Living
Belle Harbor Nursing Center
Union Plaza Nursing Center
Soundview Health Care Network
Ramapo Manor Nursing Center
Central Suffolk Hospital
Hamilton Surgery Center
Capital Health System
Wyckoff Heights Medical Center
Jewish Renaissance Medical Center
Phoenix House (Multiple Locations)
DaVita Inc, (Multiple Locations)
Dyker Heights Dialysis Center
Garden City Dialysis Center
Lynbrook Dialysis Center
Queens Dialysis Center
South Island Medical Associates
Archcare Pace Center

Catering Halls/Country Clubs/Yacht Clubs/Marina's:
St. Andrews Country Club
(Boca Raton, FL)
St. Andrews Golf Club
Woodbury Country Club
Douglaston Manor
The Woodlands
Inwood Country Club
Rockville Links Golf Club
Woodmere Country Club
Lawrence Country Club
Fresh Meadows Country Club
Century Country Club
Wykagyl Country Club
Pelham Country Club
Ardsley Country Club
Rockland Country Club
Hudson National Golf Club
Pine Hollow Country Club
Glen Oaks Country Club
Old Westbury Country Club
The Meadowbrook Club
North Shore Country Club
Apawanis Country Club
Sleepy Hollow Country Club
Quaker Ridge Country Club
Willow Ridge Country Club
Shenorock Beach Club
Manursing Island Club
Orienta Beach Club
Huntington Crescent Club
Nassau Country Club
Glen Head Country Club
Wheatley Hills Country Club
South Fork Country Club
Port Jefferson Country Club
Southampton Golf Club
Nissequogue Golf Club
Friars Head Country Club
The Seawanhaka Corinthian Yacht Club
Manhasset Bay Yacht Club
The Brooklyn Yacht Club
Star Island Yacht Club
Mill Creek Marina
Gone Fishing Marina
West Sayville Boat Basin
Brae Burn Country Club
New York Friars Club
The Penn Club of NY
The Glen Cove Mansion

Houses of Worship:
The Church of The Cure'of Ars
St. Mary's Coptic Church
Hebrew Institute of White Plains
Young Israel of Great Neck
Chabad of Port Washington
Sons of Israel Woodmere
Temple Hillel- Southside Jewish