They offer a range of services including manned guarding, VIP protection, and technical security solutions. Halogen Group comprises six operating companies that ensure comprehensive security services. Their clients include major organizations like Chevron, EcoBank, and MTN? (FirstClassNigeria)?? (Nigerian Search Guide)?.

Proton Security Services Limited: Known for its extensive reach across Nigeria, Proton Security offers services such as guards, armed escorts, electronic security, and special Security Companies In Nigeria events security. They also provide specialized services like dog handling and electronic queue management? (Know Nigeria)?? (Nigerian Queries)?.

KingsGuard Nigeria Limited: Since its establishment, KingsGuard has provided various services including VIP protection, maritime security, and the sale of armored vehicles. They use advanced security systems and serve clients like the African Development Bank and NNPC? (Know Nigeria)?? (Nigerian Queries)?.

Technocrime Security Nigeria Limited: This company focuses on delivering security services and training security personnel. They are licensed by the Nigeria Security and Civil Defence Corps (NSCDC) and offer services to both individuals and corporate bodies? (FirstClassNigeria)?? (Nigerian Search Guide)?.

ASA Security: ASA Security provides advanced security technology services, including manned guards, panic buttons, and vehicle escorts. They cater to high-profile clients and government organizations, offering comprehensive protection and consulting services? (Know Nigeria)?? (Nigerian Queries)?.

Damon Guards: Established Damon Guards operates in major cities across Nigeria. They provide customized security solutions, including VIP protection, asset protection, and event security management? (Know Nigeria)?? (Nigerian Queries)?.

Synergy Guards Nigeria Limited: A subsidiary of Synergy Guards, this company offers a wide range of security services including mobile patrol, CCTV installation, and remote monitoring. They have offices in Lagos, Abuja, and other major cities? (Know Nigeria)?? (Nigerian Queries)?.

McDon Security: Located in Lagos, McDon Security offers personalized security logistics, training services, and technical security solutions. Their services include alarm systems, access control, and CCTV systems? (Nigerian Queries)?.

These companies are known for their professionalism and comprehensive security services, catering to various sectors and high-profile clients across Nigeria.