🐜AssistAnt · Pro directory
There are 44 home security companies within 25 miles of St. Charles, MO in the AssistAnt directory as of October 16, 2026, 2 of them based in St. Charles itself. None are verified by AssistAnt yet, so check a business’s license and insurance before you hire it. Verified businesses are listed first, then by distance. No business can pay for a higher spot.
Home security systems near St. Charles
- Facility Control Systems
St. Charles, MO · 1.5 mi
Not verified yet
(636) 946-7963
- OSI Solutions - Open Source Integrated Solutions
St. Charles, MO · 1.5 mi
Not verified yet
(636) 373-8925
- Interface Security Systems LLC
Earth City, MO · 2.7 mi
Not verified yet
(314) 595-0100
- Secure24 Alarm Systems - ADT Authorized Dealer
Earth City, MO · 3.3 mi
Not verified yet
(866) 203-7387
- Assurance Protection
St. Peters, MO · 3.5 mi
Not verified yet
(314) 236-5910
- St Louis Alarm Co
St. Peters, MO · 4.6 mi
Not verified yet
(636) 942-5276
- The Newberry Group Inc
Owings Mills, MD · 4.8 mi
Not verified yet
(888) 317-4438
- Communications Prewires
Maryland Heights, MO · 4.8 mi
Not verified yet
(314) 291-8959
- Watchtower Security
Maryland Heights, MO · 5.6 mi
Not verified yet
(314) 427-4586
- Midwest Networking Services
St. Louis, MO · 6.0 mi
Not verified yet
(314) 221-2158
- Cam-dex Security Corporation
Maryland Heights, MO · 6.1 mi
Not verified yet
(314) 989-1984
- Convergint
St. Louis, MO · 6.7 mi
Not verified yet
(314) 872-6920
- Interface Systems
St. Louis, MO · 7.4 mi
Not verified yet
(800) 727-1668
- Digital Forensics Corp
Chesterfield, MO · 8.2 mi
Not verified yet
(636) 273-9220
- Wired Technologies
St. Louis, MO · 8.4 mi
Not verified yet
(314) 423-1300
- CISO Sidekick
Chesterfield, MO · 8.8 mi
Not verified yet
(636) 777-7855
- Digital Security Corporation
O'Fallon, MO · 8.9 mi
Not verified yet
(636) 978-7778
- Westco Security & Technology Systems
Chesterfield, MO · 9.3 mi
Not verified yet
(636) 519-0022
- Elliott Data Systems, Inc.
Chesterfield, MO · 9.3 mi
Not verified yet
(636) 386-8400
- Itrue Security
Berkeley, MO · 9.7 mi
Not verified yet
(877) 274-6573
- Visionable Surveillance Solutions
Chesterfield, MO · 9.9 mi
Not verified yet
(636) 532-9171
- Protection 1 Security Solutions
St. Louis, MO · 10.4 mi
Not verified yet
(314) 665-2939
- StealthVid, Inc.
O'Fallon, MO · 11.7 mi
Not verified yet
(314) 574-9094
- Jeff Computers
Manchester, MO · 12.2 mi
Not verified yet
(636) 256-7901
- Advanced Security & Technologies
St. Louis, MO · 12.7 mi
Not verified yet
(314) 287-6330
- Century Alarm Company
St. Louis, MO · 13.9 mi
Not verified yet
(314) 383-1513
- Multi-link Security
Valley Park, MO · 14.4 mi
Not verified yet
(636) 923-0101
- Philibert Security Systems, Inc.
Webster Groves, MO · 14.8 mi
Not verified yet
(314) 962-2000
- Butler Durrell Security
Wildwood, MO · 14.9 mi
Not verified yet
(636) 458-1866
- Central District Alarm Inc.
St. Louis, MO · 15.3 mi
Not verified yet
(314) 647-2001
Showing the 30 listed first. Search by ZIP code to see more.
Questions
- How many home security companies are near St. Charles, MO?
- 44 within 25 miles, 2 in St. Charles, as of October 16, 2026.
- Which home security companies near St. Charles, MO are verified?
- None yet. Verified means AssistAnt checked the business registration and insurance; unverified listings come from public business records.
- Can a business pay to rank higher on AssistAnt?
- No. Verified businesses are listed first, then everyone else by distance. Placement cannot be bought, and AssistAnt never sells your contact information.
More in St. Charles
- Appliance repair in St. Charles, MO61 businesses
- Dryer vent cleaning in St. Charles, MO13 businesses
- Used appliances in St. Charles, MO10 businesses
- HVAC (heating & air conditioning) in St. Charles, MO268 businesses
- Plumbers in St. Charles, MO167 businesses
- Electricians in St. Charles, MO150 businesses
- Roofers in St. Charles, MO333 businesses
- Landscaping & lawn care in St. Charles, MO410 businesses
- Cleaning services in St. Charles, MO296 businesses
- Pest control in St. Charles, MO101 businesses
- Locksmiths in St. Charles, MO93 businesses
- Painters in St. Charles, MO104 businesses
- Garage door repair in St. Charles, MO87 businesses
- Handyman services in St. Charles, MO67 businesses
- Pool & spa service in St. Charles, MO31 businesses
- Water, fire & mold restoration in St. Charles, MO77 businesses
- Concrete, masonry & paving in St. Charles, MO143 businesses
- Fence contractors in St. Charles, MO28 businesses
- Gutter services in St. Charles, MO27 businesses
- Chimney sweep & repair in St. Charles, MO17 businesses
- Junk removal in St. Charles, MO13 businesses
- Home inspectors in St. Charles, MO48 businesses
- Flooring in St. Charles, MO51 businesses
- Windows & doors in St. Charles, MO65 businesses
- Remodeling contractors in St. Charles, MO161 businesses
- Insulation contractors in St. Charles, MO16 businesses
- Towing in St. Charles, MO92 businesses
- Auto repair in St. Charles, MO860 businesses
- Collision repair & auto glass in St. Charles, MO224 businesses
- Diesel & truck repair in St. Charles, MO32 businesses
- Motorcycle, marine & small engine repair in St. Charles, MO29 businesses
- Welding & fabrication in St. Charles, MO135 businesses
- Machine shops & CNC in St. Charles, MO97 businesses
- Computer & phone repair / IT in St. Charles, MO193 businesses
- Excavation & heavy equipment in St. Charles, MO18 businesses
- Trucking in St. Charles, MO86 businesses
Nearby towns
- Earth City, MO 2 mi
- St. Peters, MO 5 mi
- Maryland Heights, MO 6 mi
- Chesterfield, MO 8 mi
- Berkeley, MO 10 mi
- O'Fallon, MO 10 mi
- Manchester, MO 12 mi
- St. Louis, MO 13 mi
- Webster Groves, MO 15 mi
- Valley Park, MO 15 mi