Delta One Security, of Fairfield, Calif., provides mobile patrol of sites ranging in frequency from one patrol check per day to 24-hour coverage. The security company's clients have the option of receiving GPS reports to audit their mobile patrol coverage. It also provides fixed site security, including access control, command center staffing, foot patrol, firewatch, vehicle checkpoints, and lobby reception. The company also has special event coverage for conferences, product launches, company meetings, sporting events, fairs, festivals, and other special engagements. Service Pro Security is a subsidiary of Veracity. Since 2004, Veracity has provided nationwide security personnel services for a growing variety of clients, including professional sporting events, corporate meetings, large and small office buildings, construction sites, shopping malls, gated communities, and personal, mobile security.