Security Guard Patrol Services locations near Ontario, CA

Pacific Western Security

📍 1215 E Airport Dr Ste 267, Ontario, CA, 91761

📞 909-983-6867

Guard Systems Inc

📍 1910 S Archibald Ave Ste M2, Ontario, CA, 91761

📞 909-947-6060

🌐 guardsystemsinc.com

Guard Systems Inc is a security guard and patrol service located in Ontario, California. It has an active online presence as of 2026, indicating ongoing operations. Clients in the Ontario area can rely on this company for their security needs.

Pacwest Security Services

📍 2990 Inland Empire Blvd, Ontario, CA, 91764

📞 909-948-0279

🌐 pacwestsecurity.com

DHS

📍 959 W State St, Ontario, CA, 91762

📞 909-460-9933

American One Protective Services

📍 207 W D St, Ontario, CA, 91762

📞 909-467-1835

🌐 american-1.com

Securitas Security Services

📍 402 S Milliken Ave, Ontario, CA, 91761

📞 909-974-3160

🌐 securitas.com/us/en

Envision Security Inc

📍 3550 E Philadelphia St, Ontario, CA, 91761

📞 909-947-5457

Martin Private Patrol

📍 167 N 3rd Ave Ste D, Upland, CA, 91786

📞 909-931-5770

Shield Security Inc

📍 285 N Euclid Ave, Upland, CA, 91786

📞 909-920-1173

🌐 securityshield.com

Nationwide Security Service

📍 5196 Benito St, Montclair, CA, 91763

📞 909-450-2656