TS4 Private Security Service. We are specialists in Security Guard and patrol services in any industries; with over 20 years of experience. We pride ourselves in providing our clients with a professional service, guaranteed accuracy and the highest level of confidentiality. Please contact us at 415-690-5131 or email us at support@ts4security.com for more details. We do provide security services anywhere in California; feel free to share the process steps with us. We would love to be part of your team and provide the best security service to your company. Thank you so much for your time. Stay safe.