Harlingen's premier private security and investigations firm. Protecting businesses, individuals, and assets across the Rio Grande Valley with precision, discretion, and uncompromising professionalism.
Confidential & Free
Tell us about your security needs. Our experts respond within 2 hours — often sooner.
From armed protection to covert investigations, we deliver the intelligence and security your situation demands — with zero compromise.
Highly trained, state-licensed armed security professionals protecting your business, property, and personnel around the clock. Background-vetted and law-enforcement experienced.
Learn MoreDiscreet, thorough investigations for individuals and corporations. Infidelity, fraud, missing persons, background checks, and litigation support handled with absolute confidentiality.
Learn MoreCustom enterprise security programs for companies of all sizes. Risk assessments, access control protocols, loss prevention strategies, and dedicated security management.
Learn MoreAdvanced covert and overt surveillance operations. Mobile surveillance, stakeouts, and digital monitoring delivering documented, court-admissible evidence.
Learn MoreClose-protection details for executives, VIPs, and high-profile individuals. Threat assessments, travel security planning, and discreet personal protection throughout Texas.
Learn MoreCrowd management, access control, and plainclothes security for concerts, corporate events, galas, and private functions. Seamless protection that never disrupts your guests.
Learn MoreFounded in Harlingen over 15 years ago by decorated law enforcement veterans, DIPO Security & Investigation Services was born from a simple conviction: the people and businesses of the Rio Grande Valley deserve world-class protection — not second-rate service.
Every member of our team is a former law enforcement officer, federal agent, or military professional. We bring that same discipline, integrity, and tactical expertise to every client engagement — from a single individual needing answers, to a corporation securing its entire operation.