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CSI - A company dedicated to providing AT&T Champion Service for 15 years in a row!


Communication Systems International's (CSI) community involvement, visibility and proven commitment to excellence, aligns us with the pulse of today's business needs. Armed with this knowledge, CSI can provide you with information, options and solutions designed and engineered for your individual needs. CSI can show your company how to incorporate your communications as a valuable tool that will help you to control company efficiency, potential profit and company growth. Learn more about us.


AT&T® has set forth the standards necessary to provide you with AT&T® treatment. As an AT&T® Solution Provider Champion, CSI must meet rigorous criteria in order to gain this coveted status. An AT&T® Solution Provider Champion status requires a total staff commitment to continual product and applications training, to providing outstanding customer service, and to a strict adherence to professional standards of conduct. AT&T® has recognized CSI for 16 years in a row, as a partner that can meet the AT&T® Solution Provider Champion requirements.

  Windstream Authorized Agent  

CSI is your Windstream Contact. Windstream, formerly Norlight, has a 30+ year history of dynamic growth and innovation. We strive to help the business and residential consumers of Indiana, Kentucky, Tennessee and Wisconsin communicate more effectively.

  Earthlink Authorized Agent  

Earthlink, formerly One Communications, is the largest privately-held regional provider of telecommunications services in the United States. With over 2,000 employees and $800M in annual revenue, we serve 160,000 small and mid-sized business customers in 18 states across the Northeast, Mid-Atlantic and Upper Midwest, plus the District of Columbia. Through our facilities-based IP network and customer-focused approach, we deliver the right products and services at a great price to help your business communicate, save and grow effectively.

  Centurylink Authorized Provider  

Customers coast-to-coast turn to CenturyLink's industry-leading national fiber-optic network and world-class customer service to meet their communications and entertainment needs. For residential customers, CenturyLink offers a new generation of fiber-optic Internet service, high-speed Internet solutions, as well as digital home phone, wireless service available through Verizon Wireless, and DIRECTV® service.

  PAETEC authorized agent  

PAETEC delivers personalized communications solutions and unmatched service to business-class customers in 84 of the nation's top 100 metropolitan areas. We are the premier alternative to the ILECs, based on our nationwide footprint, breadth of products, and quality of service.

  Nitel authorized agent  

Nitel is a leading single-source provider of telecommunications network services nationwide. Customers partner with us to simplify procurement, billing and maintenance of wholesale network services across a multitude of disparate networks. Nitel gives our customers maximum reach by leveraging the networks of 100 top-tier carriers, including AT&T, Level 3, Verizon, Qwest and Global Crossing, to ensure the best network at the best price.

  XO Communications authorized agent  

XO Communications is one fo the nation's largest communications service providers focused exclusively on businesses, government, domestic and international telecommunications carriers, cable companies, content providers and mobile wireless companies. With solutions built around you, SO Communications offers customers the right network, the right solutions and an unrivalled focus on delivering the best customer experience.

  TDS Metrocom authorized agent  

At TDS, we provide innovative Voice, Internet, and Entertainment services to rural and suburban communities nationwide, as well as leading-edge business technology. But it's our commitment to each community we serve that truly sets us apart.

  US Signal authorized agent  

US Signal is the premier telecommunications infrastructure provider of network services, IP transport and colocation facilities in the Midwest

  TNCI authorized agent  

Since 1991, TNCI has been a leading national telecommunications provider delivering an unmatched balance of industry experience and stability. Now more than ever, our proven ability to help our Customers navigate a shifting and often times chaotic market presents unique opportunities for our Customers to compete and win. As other telecommunications providers come and go, TNCI continues to prove we are here to stay, in part due to the 30 years of marketing leadership and financial success of our parent company, Trans National Group

  Charter business authorized agent  

Charter Communications, Inc. is a Fortune 500 company and the fourth-largest cable operator in the United States. Charter provides advanced video, high-speed Internet, and telephone services to approximately 5.5 million residential and business customers in 27 states

  TWTelcom Authorized provider

Moving your business forward starts with our closer-to-the-customer approach-locally and nationally. We deliver next generation, scalable solutions to meet the changing needs of your business and to manage the applications you need to succeed. We're always thinking ahead - both today and into the future.

As an AT&T Solution Provider Champion, Communication Systems International Inc. can offer your company a full range of AT&T's products and services.



CSI, Inc. recognized by AT&T for outstanding customer satisfaction.

CSI, Inc., one of the leading Solution Providers nationwide of telecommunications services for businesses, recently announced that they were recognized and received an award from AT&T....
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CSI, Inc. acquires partnership with the top telecom carriers, providing clients with single source for multiple carrier solutions.

CSI, Inc., one of the leading Solution Providers nationwide of AT&T telecommunications services for businesses, recently announced that they would no longer represent AT&T exclusively. CSI, Inc. will now represent all the major carriers including....
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CSI, Inc. Announces New Service: Telecom Audit Service and Telecom Expense Management

CSI, Inc., the top Solution Provider for Wisconsin of AT&T Telecommunications Services for Businesses, announced today that they are offering two new services to Customers....
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AT&T® T1 Managed Internet Service Promotion

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