Blackstone Security Services, Inc.

Blackstone Security Services is a veteran-owned private security company (in business since 1993) that delivers armed and unarmed security guards, mobile patrols, mobile and fixed surveillance units, construction-site security, trailer inspection and logistics, concierge/security officer services, access control, and customized training programs; Blackstone Security Services operates licensed offices across more than a dozen states with corporate headquarters in Phoenix and emphasizes long-term client partnerships, proven experience, trained professionals, and tailored solutions to protect businesses, government facilities, and communities. (Sources: Blackstone Security homepage, Blackstone Tucson location page)