| Business | Phone |
| Aaron's Security 1623 S 38th St, Milwaukee 53215 | (414) 643-8402 |
| Aggressive Pitbull Detective 6815 W Capitol Dr, Milwaukee 53216 | (414) 464-4489 |
| Akal Security 517 E Wisconsin Ave, Milwaukee 53202 | (414) 225-3794 |
| Alarm Responder Llc 316 N Milwaukee St # 402, Milwaukee 53202 | (414) 347-0538 |
| American Security Corp 9181 N Deerbrook Trl, Milwaukee 53223 | (414) 371-7640 |
| Badgerland Security Co 9312 W National Ave, Milwaukee 53227 | (414) 543-8224 |
| Allied Barton Security Svc 111 E Kilbourn Ave, Milwaukee 53202 | (414) 225-0371 |
| Blue Knight Police Ltd 10617 W Oklahoma Ave L5, Milwaukee 53227 | (414) 774-5506 |
| Cheeks Security Concepts 1122 N 35th St, Milwaukee 53208 | (414) 344-8249 |
| Chosen Few Corp 8936 W Lynx Ave, Milwaukee 53225 | (414) 535-1159 |
| Contemporary Services Corp 3670 S Howell Ave, Milwaukee 53207 | (414) 744-5150 |
| Drp Security Svc Llc 7482 N 107th St, Milwaukee 53224 | (414) 355-9353 |
| Durable Security Svc 8436 W Lisbon Ave, Milwaukee 53222 | (414) 461-8622 |
| Falcon Public Safety 3500 S 92nd St, Milwaukee 53228 | (414) 327-2435 |
| Globe Aviation Svc 5300 S Howell Ave, Milwaukee 53207 | (414) 481-1367 |
| Guards On Duty Milwaukee 53218 | (414) 899-0206 |
| Guardsmark Inc 4811 S 76th St, Milwaukee 53220 | (414) 817-9141 |
| Hinks Security 1718 N 1st St 5n4, Milwaukee 53212 | (414) 264-6902 |
| Honeywell 525 N 6th St, Milwaukee 53203 | (414) 225-3524 |
| Initial Security 2448 S 102nd St 300, Milwaukee 53227 | (414) 256-5750 |
| Janus Security Svc 2062 N Commerce St, Milwaukee 53212 | (414) 372-9695 |
| Jbm Patrol & Protection 1579 S 38th St, Milwaukee 53215 | (414) 647-1291 |
| Justice For Community Security 2966 N 9th St, Milwaukee 53206 | (414) 263-2172 |
| Justice Management Inc 3360 N Teutonia Ave, Milwaukee 53206 | (414) 374-5308 |
| Wisconsin Patrol & Protection 3846 W Wisconsin Ave, Milwaukee 53208 | (414) 344-2425 |
| Wisconsin Security Police Svc 2821 N 4th St, Milwaukee 53212 | (414) 265-5667 |
| Wisconsin Security Solution 940 W Beloit Rd 301, Milwaukee 53227 | (414) 543-1039 |
| Metropolitan 6682 W Greenfield Ave, Milwaukee 53214 | (414) 281-7422 |
| Metropolitan Police Svc Milwaukee 53226 | (414) 475-2422 |
| Valor Security Svc 2500 N Mayfair Rd, Milwaukee 53226 | (414) 256-2923 |
| Wackenhut Corp 633 W Wisconsin Ave, Milwaukee 53203 | (414) 277-7622 |
| Twin City Security Inc 8410 W Cleveland Ave, Milwaukee 53227 | (414) 328-0208 |
| Townsend Detective & Security Po Box 28808, Milwaukee 53228 | (414) 327-0221 |
| Strategic Protection Agency 316 N Milwaukee St # 402, Milwaukee 53202 | (414) 384-7397 |
| Strike Force 3500 S 92nd St, Milwaukee 53228 | (414) 321-8650 |
| Spi Inc 8518 W Capitol Dr 200, Milwaukee 53222 | (414) 464-5300 |
| Parris K-9 Protection Svc 2710 W Highland Blvd, Milwaukee 53208 | (414) 933-4281 |
| Schlitz Security 1555 N Rivercenter Dr, Milwaukee 53212 | (414) 277-8211 |
| Securitas Security Svc Usa Inc 6737 W Washington St, Milwaukee 53214 | (414) 546-3540 |
| Security Experts 316 N Milwaukee St, Milwaukee 53202 | (414) 289-8309 |
| Security Officer Svc Inc 6001 W Center St 205, Milwaukee 53210 | (414) 444-7080 |