🐜AssistAnt · Pro directory
There are 44 home security companies within 25 miles of St. Charles, MO in the AssistAnt directory as of October 29, 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. Ranked by activity, never paid: members who pressed Boost this week come first, then verified and claimed businesses, then businesses whose website we checked, then everyone else nearest first. No one can pay for a higher spot.
Home security systems near St. Charles
Ranked by activity, never paid. Boosted this week first, then verified and claimed, then website checked, then everyone else nearest first. Not on this list? Add yourself free →
- The Newberry Group Inc
Owings Mills, MD · 4.8 mi
Not verified yet
(888) 317-4438 Website ↗
- Convergint
St. Louis, MO · 6.7 mi
Not verified yet
(314) 872-6920 Website ↗
- Digital Forensics Corp
Chesterfield, MO · 8.2 mi
Not verified yet
(636) 273-9220 Website ↗
- Wired Technologies
St. Louis, MO · 8.4 mi
Not verified yet
(314) 423-1300 Website ↗
- Burnes-citadel Security
St. Louis, MO · 17.0 mi
Not verified yet
(314) 771-7275 Website ↗
- 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 No website on file
- 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
- 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 No website on file
- Cam-dex Security Corporation
Maryland Heights, MO · 6.1 mi
Not verified yet
(314) 989-1984
- Interface Systems
St. Louis, MO · 7.4 mi
Not verified yet
(800) 727-1668
- 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 No website on file
- 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
Showing the 30 listed first. Search by ZIP code to see more.
More near St. Charles
Same order as above, continued.
Questions
- How many home security companies are near St. Charles, MO?
- 44 within 25 miles, 2 in St. Charles, as of October 29, 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. Ranked by activity, never paid: members who pressed Boost this week come first, then verified and claimed businesses, then businesses whose website we checked, then everyone else nearest first. No one can pay for a higher spot. 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