Comcast Corporation (Nasdaq: CMCSA, CMCSK) is a global media and technology company with two primary businesses, Comcast Cable and NBCUniversal. Comcast Cable is the nation's largest video, high-speed Internet and phone provider to residential customers under the XFINITY brand as well as to businesses.

Comelit has been a leading player in an extraordinary evolution along with the technologies. Today they specialise in: video and audio door entry systems, access control and video surveillance, telephone and telephone switchboards.

Comm Port Technologies Inc. is a US based manufacturer of UVSS / UVIS systems that specialises in the security and safety industry. They provide state of the art, technology-based solutions for their clients’ worldwide. Whether you are protecting your workplace from terrorism, loss prevention or sabotage, their UVSS / UVIS products integrate with physical security solutions that range from CCTV, intrusion, access control and perimeter protection.

Command Access is a manufacturer and modifier of high quality electric locks, panic hardware, power transfer products, power supplies and support components. Command Access electrified mortise locks allow for remote keyless access and egress control for heavy use applications where as its electrified cylindrical locks allow for remote keyless access and egress control for standard commercial use applications.

Commercial Electrical Systems focuses on helping their customers enhance their safety, security and productivity. Their low voltage system installations include fire alarm, closed-circuit TV (CCTV), security/access control, nurse call systems, data network cabling, mass notification and sound systems.

Tampa’s leading life safety experts, trusted for delivering the highest quality commercial fire sprinkler installation and service and security systems.

Commercial Instruments & Alarm Systems provides customers with security, access control, closed circuit television, and fire alarm equipment. The company has more than 25 years of experience with thousands of installations.

Commercial Specialists of Western Colorado or CSWC for short; has been providing installation, service, maintenance and monitoring of fire alarm, security, CCTV, intercom nurse call and other low voltage systems in the mountain region of Colorado since 1999. CSWC offers clock installation, smoke control/smoke management system installation and maintenance.

Commercial Systems Group (CSG) is a UTC Fire & Security EST Authorised Strategic Partner and specialises in commercial security systems, fire alarms, burglar alarms, access control, intercoms, CCTV IP video systems, nurse call systems, mass notification, and sound systems. CSG's primary installation and service market is the greater Orlando, Florida area.

Commercial Wireless Systems International (CWSI) is the leading manufacturer of commercial wireless fire alarm systems. The product line meets all industry standards and approvals including UL Listed and FM Approved, as well as California State Fire Marshall Listed and New York Fire Department Approved. Tyco acquired CWSI in 2015.

Commissionaires is Canada's premier security company, offering a unique combination of integrity, experience and innovation based upon our foundation of 20,000 primarily military and police employees.

Commtech Design has built it's reputation as a premier technology design firm by effectively working with building owners, architects and engineers to design security, networking and audio/visual solutions that seamlessly fit into the architecture of your building. Our designs allow you to enhance the workspace with technology solutions while keeping your budget in mind.

Communication Service Solutions specialises in designing and providing telephony and recording solutions to North American security industries. The company provides leading edge phone systems and call recording solutions with features designed specifically for the security industry and central station environment.

Communication Systems, Inc. has been Eastern Pennsylvania’s leader in integrated security and communications systems for businesses, educational institutions, healthcare facilities, government and more. The company specialties include intrusion & perimeter detection, video surveillance, access control, fire alarms, monitoring and communication solutions. CSI identify the right solution and deploy, integrate and maintain it.

Communications Resource, Inc. a woman-owned small business, has supported the federal government for over 20 years. Their successful engagements as a security information management solutions integrator, encompass physical and cyber security, application development, enterprise architecture, and business process solutions.

CommVault is a data and information management software company headquartered in Oceanport, providing with way to protect, manage and access data information. Leading technology companies worldwide such as Hitachi Data Systems, Microsoft, HP, Fujitsu, etc. have formed strategic partnerships with CommVault. CommVault Simpana software is built from ground up on a single platform and unifying code base for integrated data and information management.

ComNet offers an extensive line of fiber optic video and data transmission equipment as well as a line of Ethernet Network equipment that is uniquely toughened to meet the needs of the Security and Intelligent Transportation System market.

Compass Security installs and services home & commercial security systems. The company provides security alarm, fire alarms and security cameras. Compass Security also specialises in both commercial and residential monitored fire alarm systems.

Since 1983, Complete Security Systems has been a full service security and fire alarm company in New Jersey. Complete Security Systems offers a variety of business and home security services, such as IP video surveillance, access control systems, fire alarm systems and home camera systems among others. It is a member of the Monmouth and Middlesex County Fire Prevention & Protection Associations and Automatic Fire Alarm Association.

Compro Boston is a new and unique point of sale (POS) and surveillance camera system provider located in Medford, MA.

CompTIA (Computing Technology Industry Association) is the voice of world’s information technology industry. As a non-profit trade association, the company advances the global interests of IT professionals and IT channel organisations and enable them to be more successful with industry-leading IT certifications and IT business credentials, IT education, resources and ability to connect with leading IT industry experts.

CompuNet was founded in 1998 in Grangeville, Idaho, initially focusing on servicing local clientele between the Spokane and Boise corridor for networking needs. In 2005, the company expanded, opening their first remote physical office in Meridian, Idaho. CompuNet has since had it’s primary headquarters in Meridian. They are now located in six states which include Washington, Idaho, Montana, Utah, Oregon, and Arizona.

The COMPUTERLINKS Group is a global market leader with over 20 years experience in IT security and Internet Technology solutions and services. They offer a single source of supply for world-leading international hardware and software manufacturers, including 24/7 support, training marketing and logistics.

Comtrend, is a leading global provider of advanced networking solutions. Comtrend designs, manufactures, and markets a wide range of networking and surveillance equipment and software. They specialise in broadband gateways, as well as the latest WiFi, surveillance, Powerline, and coax technologies. Comtrend also remains committed to industry standards, like G.hn for home networking, as well as interoperability and market-leading performance.