|Headquarters||Colonia Juárez, Cuauhtémoc, Mexico City|
|Slogan||Es tu idea|
It is the second-largest cable operator in Mexico after Megacable. It has offered cable since the late 1980s, and broadband Internet since the late 1990s with approximately 953,000 cable TV customers, 325,000 high speed internet customers, and 180,000 telephony lines in 49 cities in Mexico (July 2010). Cablemas is also the first company to distribute VoIP in Tijuana, Baja California. VoIP is the spearhead of Cablemas's new promotionals.
Due to the laws in Mexico, telecommunication companies cannot provide more than two services. An example of this is the company Telnor, which provides telephones and Internet. Another example is Megacable, a company that provides cable and broadband Internet. To provide more services, Cablemas made an alliance with Axtel, a new telephone company operating from Monterrey, and the new Cablemas-Axtel Alliance was created with initially nearly 1,000 customers.
Cablemas bases its primary operation in the city of Tijuana, which is also the city that produces the highest influx of money into the company.
Ongoing issues with service on Isla Mujeres and in parts of Cancún and Merida have led to allegations of fraud against Cablemás.  Tests performed by local municipalities show that advertised rates of 10mbps are actually capped as low as .5 or even .3 mbps, or less than 5% of advertised speeds. The lack of a stable Internet connection, coupled with the company's virtual monopoly in isolated regions like Isla Mujeres, has resulted in unrest among businesses and residents. In December 2014, the municipality of Isla Mujeres vowed to investigate Cablemás and recommend sanctions to the governor of Quintana Roo.  
- "Cablemás 3Q10 Net Revenue and Adjusted EBITDA Up 12.9% and 13.1% YoY, Respectively." Cablemás. November 12, 2010. Retrieved on March 6, 2011.
- "Contact us." Cablemás. Retrieved on March 6, 2011. "Corporate Headquarters Cablemás S.A. de C.V. Sevilla No. 4, Colonia Juárez 06600 México, D.F. México"
- Cablemas S.A.: Private Company Information - BusinessWeek
- Isla Mujeres: Six months with No Internet
- Business suffer Internet Blackout, spur local unrest on Isla Mujeres
- Unitlateral Monopoly: Cablemás grip on Quintana Roo
- Official Webpage (Spanish)
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