1Northwest team of Ontario security guards are highly trained, locally based, and ready to protect your business. Professional and reliable security company offering guard service in Toronto, Seaforth • Seagrave • Searchmont • Sebright • Sebringville • Seeleys Bay • Seguin • Selby • Selkirk • Selwyn • Serpent River • Sesekinika • Severn • Severn Bridge • Shakespeare • Shallow Lake • Shannonville • Sharbot Lake • Sharon • Shebandowan • Shedden • Sheffield • Sheguiandah • Shelburne • Sheshegwaning • Shining Tree • Shuniah • Silver Water • Simcoe • Singhampton • Sioux Lookout • Sioux Narrows • Skead • Slate Falls • Slate River • Sleeman • Smiths Falls • Smithville • Smooth Rock Falls • Snow Road Station • Sombra • South Baymouth • South Bruce Peninsula • South Gillies • South Glengarry • South Lancaster • South Mountain • South Porcupine • South River • South Stormont • South Woodslee • Southampton • Southwold • Spanish • Sparta • Spencerville • Spragge • Spring Bay • Springbrook • Springfield • Springford • Springwater • Sprucedale • St Agatha • St Albert • St Andrews West • St Anns • St Bernardin • St Catharines • St Charles • St Clements • St Davids • St Eugene • St George • St Isidore • St Jacobs • St Joachim • St Marys • St Thomas • St Williams • St. Pauls • Staffa • Staples • Stayner • Ste Anne De Prescott • Stella • Stevensville • Stirling • Stittsville • Stokes Bay • Stonecliffe • Stoney Creek • Stouffville • Straffordville • Stratford • Strathroy • Stratton • Strickland • Sturgeon Falls • Sudbury • Sultan • Summer Beaver • Summerstown • Sunderland • Sundridge • Sutton West • Swastika • Sydenham • Talbotville Royal • Tamworth • Tara • Tarzwell • Tavistock • Tecumseh • Teeswater • Teeterville • Tehkummah • Temagami • Terra Cotta • Terrace Bay • Thamesford • Thamesville • The Archipelago • Thedford • Thessalon • Thomasburg • Thornbury • Thorndale • Thorne • Thornhill • Thornloe • Thornton • Thorold • Thunder Bay • Tichborne • Tilbury • Tilden Lake • Tillsonburg • Timmins • Tiny • Tiverton • Tobermory • Toledo • Toronto • Torrance • Tory Hill • Tottenham • Town Of Plympton Wyoming • Townsend • Township Of Wilmot • Trent Lakes • Trent River • Trenton • Trout Creek • Troy • Tunis • Tupperville • Turkey Point • Tweed • Udora • Union • Unionville • UpsalaUtopia • Utterson • Uxbridge • Val Caron • Val Cote • Val Gagne • Val Rita • Val Therese • Vanessa • Vanier • Vankleek Hill • VarnaVars • Vaughan • Vermilion Bay • Verner • Vernon • Verona • Victoria Harbour • Vienna • Vineland • Vineland Station • Virgil • Virginiatown • Vittoria • Wabigoon • Wahnapitae • Wainfleet • Waldhof • Walford Station • Walkerton • Wallaceburg • Wallacetown • Wallenstein • Walsingham • Walters Falls • Walton • Wardsville • Ware • Warkworth • Warminster • Warren • Warsaw • Warwick Township • Wasaga Beach • Washago • Waterdown • Waterford • Waterloo • Watford • Waubaushene • Wawa • Weagamow Lake • Webbwood • Webequie • Welland • Wellandport • Wellesley • Wellington • Wendover • West Guilford • West Lorne • West Montrose • Westbrook • Westmeath • Westport • Wheatley • Whitby • White Lake • White River • Whitedog • Whitefish • Whitefish Bay • Whitefish Falls • Whitney • Wiarton • Wikwemikong • Wilberforce • Wilkesport • Williamsburg • Williamsford • Williamstown • Willow Beach • Wilno • Wilsonville • Winchester • Winchester Springs • Windermere • Windham Centre • Windsor • Wingham • Wolfe Island • Woodbridge • Woodham • Woodlawn • Woodstock • Woodview • Woodville • Wooler • Worthington • Wroxeter • Wunnumin Lake • Wyebridge • Wyoming • Yarker • York • Youngs Point • Zephyr • Zurich and across Ontario and Northern, Northeastern, Central,Eastern ,Southern and Northwestern Ontario. We are offering Event Security, Construction Site Security, Emergency Response, Alarm Response and etc. Northwest Security services is a leading security company offering a wide variety of local security guards and investigative services in all Ontario cities, communities and more