No. 1 Acquired Fiber Solutions in May 2025. Announced strategic partnerships with Deloitte and Alcatraz AI in October 2024. Acquired Esscoe in September 2024. SDM’s 2007 and 2012 Systems Integrator of the Year. No. 2 — Acquired Sonitrol New Orleans in January 2025. Launched an apprentice program with SIA in August 2024. SDM’s 2011 (as Diebold) and 2019 Systems Integrator of the Year. No. 3 Awarded Sourcewell Cooperative purchasing contract in May 2025. Launched new brands in October, 2024. No. 4 — Acquired ECD Systems in September 2024 and Signet in June 2024. SDM’s2022 Systems Integrator of the Year. No. 5 — Launched a managed services offering in March 2025. Ranked on the TSI for the first time. No. 6 — Acquired Unified Command in December 2024 and J E Security Systems & Services in January 2024. SDM’s 2016 Systems Integrator of the Year (as Securadyne Systems). SDM’s 2013 Systems Integrator of the Year (as G4S). No. 7 — Increased RMR by 37%, welcomed nine new companies through acquisition, including Tech Infrastructure in January 2025, and experienced organic growth.No. 8 — Acquired Integrated Systems & Services in April 2025 and a number of others in 2024, including several of its franchisees, and North Texas Integration and Mountain View Integration . Ranked on the TSI for the first time. No. 10 — Pye-Barker acquired 57 companies in 2024, 26 of which were alarm companies, including former TSI companies Bates Security, Moon Security Services, Peak Alarm and Sonitrol New England. No. 11— Invested in i2G Systems in March 2025.SDM’s 2015 Systems Integrator of the Year. No. 12 — Multiple acquisitions, including former TSI company Strategic Security Solutions (S3)in March 2024 Completed a major project at Boston University that won SDM’s 2024 Project of the Year. No. 13 — The company’s biggest security acquisition to date, Presidio Inc.’s Physical Security Integration business, was in progress throughout most of 2024 and ultimately finalized at the end of Q1 2025. No. 14 — Announced Unified Brand Architecture and UT Government rebrand in March 2025. Reached an agreement to assume active contracts and select personnel from PSA Electronic Systems, Inc. enabling the company to establish a new branch in Raleigh, N.C. SDM’s 2014 and 2021 Systems Integrator of the Year. No. 15 — Ranked on the TSI for the first time. No. 16 — SDM’s 2017 Systems Integrator of the Year. No. 17 — Completed asset acquisition of Detection & Suppression International (DSI). Ranked on the TSI for the first time. No. 18 — Acquired by BearCom in January 2025. Launched a new division called MobileSecurity.Net! in April 2024. SDM’s 2020 Systems Integrator of the Year. No. 19 — Acquired Accu-Com Security in January 2025. No. 20 — Started work on the biggest contract ($20 million) in company history. Moved into new HQ building. No. 21 — Expanded into two new geographic markets (Wisconsin and Maryland) via acquisitions in 2024. No. 22 — Received/won a top 3 U.S. banking RFP for all service and installation covering nine Western states. Ranked on the TSI for the first time. No. 23 — SDM’s 2023 Systems Integrator of the Year. No. 24 — Record booked sales across groups and ended 2024 with the largest backlog in company history. SDM’s 2018 Systems Integrator of the Year. No. 28 — Announced a strategic partnership with Kinetic Global for risk management solutions in February 2025. No. 29 — Recognized for the 3rd consecutive year on the INC5000 list of fastest growing companies in America and for the first time, made the VET100 list of the 100 fastest growing Veteran owned businesses in America. Ranked on the TSI for the first time. No. 31 — Highest Security sales in company history. No. 33 — Completed multiple multi-site integration projects and expanded technical physical footprint into multiple Ga. Markets. No. 34 — Nearly doubled company revenue in a single year. No. 36 — Gained multiple $1 million-plus projects. No. 37 — Acquired Frase Protection in February 2025, ProAlert in December 2024 and SDG in September 2024. No. 38 — Ranked on the TSI for the first time. No. 41 — Ranked on the TSI for the first time. No. 42 — Implemented the leasing of mobile surveillance trailers and proactive video monitoring.No. 43 — Acquired Vortex Security in November 2024. No. 44 — Sales increased over 50% and profit is up 400%. Ranked on the TSI for the first time. No. 46 — Added two large electric cooperative partners in 2024. Expanded into South Carolina market with acquisition of a new EMC partner. No. 47 – Remodeled and relocated to a new 23,000 sq. ft. state-of-the-art headquarters and celebrated 52 years in business. No. 49 – Started a large federal government project replacing an existing access control system. No. 52 — Ranked on the TSI for the first time. No. 53 — SDM’s 2024 Systems Integrator of the Year. No. 54 — Ranked on the TSI for the first time. No. 59 — Ranked on the TSI for the first time. No. 60 – Won a large, multinational project from an enterprise client. No. 61 – Completed a large integration project of over $1 million and 1 million sq. ft. No. 62 – Acquired American Alarms in Apex, N.C. No. 66 – Supported a client with 25 locations spread across five states. No. 72 – Acquired State Alarm in February 2024. No. 73 – Implemented multiple video verification software into their Central Station. Expanded licensing to offer monitoring services into other states. No. 74 – Opened an office in Western Michigan. No. 75 — Ranked on the TSI for the first time. No. 83 — Ranked on the TSI for the first time. No. 88 – Acquired security division of DFT Communications in May 2024. No. 89 – Obtained a city and state contract with one of the largest health and hospital facilities.No. 91 — Ranked on the TSI for the first time. No. 92 – Built a new branch from scratch outside normal footprint and turned a profit within three months. No. 92 – Increased RMR by increasing rates, renegotiating some commercial customers who previously paid rates well below market values.

No. 1 Acquired Fiber Solutions in May 2025. Announced strategic partnerships with Deloitte and Alcatraz AI in October 2024. Acquired Esscoe in September 2024. SDM’s 2007 and 2012 Systems Integrator of the Year. No. 2 — Acquired Sonitrol New Orleans in January 2025. Launched an apprentice program with SIA in August 2024. SDM’s 2011 (as Diebold) and 2019 Systems Integrator of the Year. No. 3 Awarded Sourcewell Cooperative purchasing contract in May 2025. Launched new brands in October, 2024. No. 4 — Acquired ECD Systems in September 2024 and Signet in June 2024. SDM’s2022 Systems Integrator of the Year. No. 5 — Launched a managed services offering in March 2025. Ranked on the TSI for the first time. No. 6 — Acquired Unified Command in December 2024 and J E Security Systems & Services in January 2024. SDM’s 2016 Systems Integrator of the Year (as Securadyne Systems). SDM’s 2013 Systems Integrator of the Year (as G4S). No. 7 — Increased RMR by 37%, welcomed nine new companies through acquisition, including Intellicom in January 2025, and experienced organic growth. No. 8 — Acquired Integrated Systems & Services in April 2025 and a number of others in 2024, including several of its franchisees, and North Texas Integration and Mountain View Integration . Ranked on the TSI for the first time. No. 10 — Pye-Barker acquired 57 companies in 2024, 26 of which were alarm companies, including former TSI companies Bates Security, Moon Security Services, Peak Alarm and Sonitrol New England. No. 11— Invested in i2G Systems in March 2025.SDM’s 2015 Systems Integrator of the Year. No. 12 — Multiple acquisitions, including former TSI company Strategic Security Solutions (S3)in March 2024 Completed a major project at Boston University that won SDM’s 2024 Project of the Year. No. 13 — The company’s biggest security acquisition to date, Presidio Inc.’s Physical Security Integration business, was in progress throughout most of 2024 and ultimately finalized at the end of Q1 2025. No. 14 — Announced Unified Brand Architecture and UT Government rebrand in March 2025. Reached an agreement to assume active contracts and select personnel from PSA Electronic Systems, Inc. enabling the company to establish a new branch in Raleigh, N.C. SDM’s 2014 and 2021 Systems Integrator of the Year. No. 15 — Ranked on the TSI for the first time. No. 16 — SDM’s 2017 Systems Integrator of the Year. No. 17 — Completed asset acquisition of Detection & Suppression International (DSI). Ranked on the TSI for the first time. No. 18 — Acquired by BearCom in January 2025. Launched a new division called MobileSecurity.Net! in April 2024. SDM’s 2020 Systems Integrator of the Year. No. 19 — Acquired Accu-Com Security in January 2025. No. 20 — Started work on the biggest contract ($20 million) in company history. Moved into new HQ building. No. 21 — Expanded into two new geographic markets (Wisconsin and Maryland) via acquisitions in 2024. No. 22 — Received/won a top 3 U.S. banking RFP for all service and installation covering nine Western states. Ranked on the TSI for the first time. No. 23 — SDM’s 2023 Systems Integrator of the Year. No. 24 — Record booked sales across groups and ended 2024 with the largest backlog in company history. SDM’s 2018 Systems Integrator of the Year. No. 28 — Announced a strategic partnership with Kinetic Global for risk management solutions in February 2025. No. 29 — Recognized for the 3rd consecutive year on the INC5000 list of fastest growing companies in America and for the first time, made the VET100 list of the 100 fastest growing Veteran owned businesses in America. Ranked on the TSI for the first time. No. 31 — Highest Security sales in company history. No. 33 — Completed multiple multi-site integration projects and expanded technical physical footprint into multiple Ga. Markets. No. 34 — Nearly doubled company revenue in a single year. No. 36 — Gained multiple $1 million-plus projects. No. 37 — Acquired Frase Protection in February 2025, ProAlert in December 2024 and SDG in September 2024. No. 38 — Ranked on the TSI for the first time. No. 41 — Ranked on the TSI for the first time. No. 42 — Implemented the leasing of mobile surveillance trailers and proactive video monitoring.No. 43 — Acquired Vortex Security in November 2024. No. 44 — Sales increased over 50% and profit is up 400%. Ranked on the TSI for the first time. No. 46 — Added two large electric cooperative partners in 2024. Expanded into South Carolina market with acquisition of a new EMC partner. No. 47 – Remodeled and relocated to a new 23,000 sq. ft. state-of-the-art headquarters and celebrated 52 years in business. No. 49 – Started a large federal government project replacing an existing access control system. No. 52 — Ranked on the TSI for the first time. No. 53 — SDM’s 2024 Systems Integrator of the Year. No. 54 — Ranked on the TSI for the first time. No. 59 — Ranked on the TSI for the first time. No. 60 – Won a large, multinational project from an enterprise client. No. 61 – Completed a large integration project of over $1 million and 1 million sq. ft. No. 62 – Acquired American Alarms in Apex, N.C. No. 66 – Supported a client with 25 locations spread across five states. No. 72 – Acquired State Alarm in February 2024. No. 73 – Implemented multiple video verification software into their Central Station. Expanded licensing to offer monitoring services into other states. No. 74 – Opened an office in Western Michigan. No. 75 — Ranked on the TSI for the first time. No. 83 — Ranked on the TSI for the first time. No. 88 – Acquired security division of DFT Communications in May 2024. No. 89 – Obtained a city and state contract with one of the largest health and hospital facilities.No. 91 — Ranked on the TSI for the first time. No. 92 – Built a new branch from scratch outside normal footprint and turned a profit within three months. No. 92 – Increased RMR by increasing rates, renegotiating some commercial customers who previously paid rates well below market values.

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