
Houston managed IT provider offering network security, data backup, cloud and VoIP services for businesses

Texas IT support company providing managed IT, business telephones, data cabling and security for Houston, Austin and San Antonio

ICS operates from Houston, San Antonio and Austin, Texas, delivering managed IT, telephones and cabling. The firm has been operating since 1981, offering outsourced IT, office phone systems and structured wiring to clients across Texas and beyond. Its own description calls it a provider of expert IT support professionals for businesses across its markets.
Managed IT covers ongoing support for client networks and systems, including co-managed arrangements where the in-house team and ICS share the work. The company also offers Microsoft 365 and Azure services, cloud migrations, and disaster backup and planning for IT and voice systems.
The telephone offer includes VoIP and cloud phone systems. ICS sells a telephony platform it calls OpenVoice, along with Mitel cloud and on-premises systems. Call recording and integration with Microsoft Teams are also part of the range.
Cabling services cover low-voltage work, network cabling and fiber installations. The company describes this as the physical base for both data and telephone systems, installed to support the rest of a client's technology.
Cybersecurity work covers security solutions and monitoring. The company says its security and compliance work is SOC 2 Type 2 and HIPAA compliant, which it presents as relevant to clients in regulated fields.
The audiovisual offer includes video conferencing and video surveillance, as well as Crestron control systems, digital signage, ballroom and conference audio and visual, and classroom audio visual solutions.
The company also offers hardware as a service, so that equipment is provided as part of an ongoing arrangement, and it describes its managed services as an outsourced IT support model.
ICS says it focuses on mid-sized and smaller firms, golf courses and country clubs, law offices, accounting practices and oil and gas companies. It describes its approach as a long-term partnership that begins with a conversation about each client's needs.
ICS is a business technology company with offices in Houston, San Antonio and Austin, Texas. Founded in 1981, it provides managed IT support, business telephone systems and cabling for businesses across Texas and nationwide.
Small and medium-sized businesses, golf courses and country clubs, law firms, accounting and CPA practices, and oil and gas companies.
Summary written by TrustList from the business's own published information, Nov 2026.
ICS is ranked on 7 TrustList rankings: #1 on 3, #2 on 1, #6 on 1, #7 on 1 and #39 on 1.
Every ranking orders its listings by their reviews, how complete the profile is and the Trust Score. ICS has no reviews yet and 3 of the 10 profile details we look for. Where no listing on a page has been reviewed, the order follows the profiles alone.
It is the only one of the top 71 here listing telecommunications and video conferencing.
Of the top 71 here, 30 also cover cloud and 22 also cover web development; 6 also work in Texas and 4 also work in Houston.
Behind Curotec, ahead of Capital Network Solutions.
It is the only one of the 18 here listing assessments and one of 2 here listing partnership.
Its profile: “ICS operates from Houston, San Antonio and Austin, Texas, delivering managed IT, telephones and cabling.”
Of the 18 here, 8 also cover security and 5 also cover internet; 3 also work in Austin and 2 also work in Fleet.
Behind Converged Communication Systems, ahead of Custom Information Services.
It is the only one of the 6 here listing video and one of 2 here listing cybersecurity.
Its profile: “ICS operates from Houston, San Antonio and Austin, Texas, delivering managed IT, telephones and cabling.”
Of the 6 here, 3 also cover AWS and 2 also cover IT services.
Behind HashRoot Technologies, ahead of IS&T IT Services.
It is one of 3 here listing information technology and one of 24 here listing IT services.
Its profile: “Cybersecurity work covers security solutions and monitoring.”
Of the 38 here, 16 also cover monitoring and 14 also cover goals; 2 also work in Hawaii and 2 also work in Florida.
Behind Fifosys, ahead of DCG Technical Solutions.
It is one of 18 here listing security.
Its profile: “It describes its approach as a long-term partnership that begins with a conversation about each client's needs.”
Of the 9 here, 8 also cover hybrid and 7 also cover engineering; 2 also work in Atlanta and 2 also work in Dallas.
Behind Flentas, ahead of Intelligent Technical Solutions.
It is the only one of the 12 here listing video conferencing and one of 2 here listing assessments.
Its profile: “The audiovisual offer includes video conferencing and video surveillance, as well as Crestron control systems, digital signage, ballroom and conference audio and visual, and classroom audio visual solutions.”
Of the 12 here, 6 also cover government and 6 also cover android; 3 also work in Ohio and 2 also work in California.
Behind Converged Communication Systems, ahead of Innovator web solution.
It is the only one of the 61 here listing video conferencing and one of 3 here listing assessments.
Its profile: “- Managed IT services: ongoing IT support, including Microsoft 365 and Azure services.”
Of the 61 here, 19 also cover cybersecurity and 17 also cover backup; 2 also work in Washington.
Behind HERO Managed Services, ahead of Ilkley IT Services.
As of 2026-11-14. Organic ranks only; sponsored placements are never ranks. How TrustList ranks
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