| Business | Phone |
| Abram Regency Security Systems 5360 Royalwood Rd, Cleveland 44133 | (440) 237-0707 |
| Absolute Home Health Care 2801 Clark Ave, Cleveland 44109 | (216) 281-2222 |
| Advance Security Inc 6100 Rockside Woods Blvd # 311, Cleveland 44131 | (216) 642-8840 |
| Aetna Total Security Inc 1501 Euclid Ave, Cleveland 44115 | (216) 623-3400 |
| Akal Securtity Corp 801 W Superior Ave, Cleveland 44113 | (216) 664-1110 |
| Alarm Investigation & Burglary Cleveland 44129 | (440) 885-9830 |
| Alarm Response/Fire Arms 4342 E 71st St, Cleveland 44105 | (216) 271-5645 |
| Alderson Clark Ltd 25830 Hidden Acres Dr, Cleveland 44145 | (440) 871-4987 |
| Allied Security 7123 Pearl Rd # 309, Cleveland 44130 | (440) 888-5500 |
| Alpha Omega Protective Svc Cleveland 44113 | (216) 771-3600 |
| Bridge Maxus Securities Corp 1301 E 9th St, Cleveland 44114 | (216) 696-0181 |
| Brinks Inc 1617 Saint Clair Ave Ne, Cleveland 44114 | (216) 566-0931 |
| Willow Security 6315 Carnegie Ave, Cleveland 44103 | (216) 391-9943 |
| Cleveland Security Patrol Inc 16577 State Rd, Cleveland 44133 | (440) 237-9541 |
| Village The Community Assn 26000 George Zeiger Dr, Cleveland 44122 | (216) 765-0000 |
| Wackenhut Corp 1240 E 9th St, Cleveland 44199 | (216) 781-1948 |
| Wackenhut Corp 20325 Center Ridge Rd # 180, Cleveland 44116 | (440) 331-1181 |
| United Security Patrol Inc 1440 Snow Rd # 109, Cleveland 44134 | (216) 351-0100 |
| Uptown Cleveland Security Corp 11811 Shaker Blvd # 123, Cleveland 44120 | (216) 229-8500 |
| County Security Agency 4415 Russell Ave, Cleveland 44134 | (216) 741-5565 |
| Cqat 2349 Rockwell Ave, Cleveland 44114 | (216) 348-0780 |
| Tenable Protective Svc 2423 Payne Ave, Cleveland 44114 | (216) 361-0002 |
| T D Security Ltd Inc 3890 Rocky River Dr # 3, Cleveland 44111 | (216) 251-9400 |
| Excalibur Protective Svc 5212 Saint Clair Ave, Cleveland 44103 | (216) 589-0826 |
| Sears Security 50 E Highland Rd, Cleveland 44139 | (440) 439-6773 |
| Securitas Security Svc Usa 12000 Snow Rd # 5, Cleveland 44130 | (440) 887-6800 |
| Security Hut 18614 Detroit Ave, Cleveland 44107 | (216) 226-0461 |
| Security Services Of America 3681 Green Rd, Cleveland 44122 | (216) 591-1822 |
| Force Security Inc 13916 Euclid Ave, Cleveland 44112 | (216) 851-1286 |
| Royce Security Svc 3740 Euclid Ave # 102, Cleveland 44115 | (216) 426-7752 |
| Gant & Assoc 1295 Orchardview Rd, Cleveland 44134 | (216) 901-0105 |
| Gray Security Inc 5136 Richmond Rd, Cleveland 44146 | (216) 595-9800 |
| Guardsmark Inc 6300 Rockside Rd # 301, Cleveland 44131 | (216) 642-9050 |
| R Cap Po Box 10167, Cleveland 44110 | (216) 881-7743 |
| Ran Security Svc Inc 12800 Shaker Blvd, Cleveland 44120 | (216) 991-6688 |
| Proactive Special Security Svc 23911 Lake Rd, Cleveland 44140 | (440) 808-8744 |
| Professionals Officers Inc 540 E 105th St, Cleveland 44108 | (216) 268-3650 |
| Ptr Security & Investigative Cleveland 44107 | (216) 375-0168 |
| Industrial Security Svc Inc 4525 W 160th St, Cleveland 44135 | (216) 898-9970 |
| Insights Security Systems 26235 Cannon Rd # B, Cleveland 44146 | (440) 232-7233 |
| International Investigations Cleveland 44111 | (216) 671-4700 |
| Isi Cleveland 44120 | (216) 283-5505 |
| Ohio Security Systems 4401 Rockside Rd # 108, Cleveland 44131 | (216) 524-6617 |
| Northeast Security 15126 Clifton Blvd # 10, Cleveland 44107 | (216) 218-4731 |
| Ohio Alarm Inc 333 Babbitt Rd, Cleveland 44123 | (216) 797-0311 |
| Kimberly Park Security Guard 5934 Stumph Rd, Cleveland 44130 | (440) 888-4820 |
| National Premier Protective 6200 Euclid Ave, Cleveland 44103 | (216) 426-8042 |
| National School Safety Cleveland 44111 | (216) 251-3067 |
| Nationwide Protective Svc 3459 W 117th St, Cleveland 44111 | (216) 252-9779 |
| Norred & Assoc 2000 E 9th St # 800, Cleveland 44115 | (216) 472-1262 |
| Lake Shore Patrol 14822 Lake Shore Blvd, Cleveland 44110 | (216) 348-7111 |
| Lorenzo's Dog Training 4815 Orchard Rd, Cleveland 44128 | (216) 475-5999 |
| Metro Cleveland Security Inc 5627 Memphis Ave, Cleveland 44144 | (216) 398-0924 |