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Los Angeles Business Broadband, Los Angeles ISP (Internet Service Provider), Los Angeles Business DSL, Los Angeles T1/DS1, Los Angeles Dedicated T1 line, Los Angeles T1 internet service, Los Angeles T1 internet Access, Los Angeles Business T1 Dedicated internet line, T3/DS3, VoIP, Hosted PBX, Trunk Replacement, Colocation, Firewall, VPN (Virtual Private Network), Collocation, T1 Orange County Tierzero History

Tierzero was founded in 1997 with the goal of delivering high quality 'all in one' T1 Internet access to businesses in the Greater Los Angeles Area. Back then, customers needing T1 Internet access had to coordinate between three separate vendors to get the router, the internet access and the Telco line. At the time, costs ran to about $2000 a month for the combined services. Company founders, Patrick Guthrie and John Carter, gambled that if they could deliver all three components in one package, and at an affordable flat rate, they would reach all the businesses previously locked out of the market by price or logistics.

The risk paid off, and by the year 2000 Tierzero had attracted sizable investment. A state of the art data center was built in Long Beach, outfitted with raised floor, dedicated air, private generator, fire and UPS system. As growth accelerated, AT&T partnered with Tierzero to dedicate a private OC48 access facility in the new data center. As the customer base grew, so did Tierzero, but never losing sight of quality customer service. Which is why, when much of the technology sector began to suffer in 2000/2001, Tierzero thrived on tremendous customer loyalty. Providing a reliable, quality service at an affordable price, proved to be a winning long term business strategy.

In mid 2001, at the height of the dot-com crash, Tierzero acquired a new data center in Downtown Los Angeles and relocated its headquarters and Technical Assistance Center. The new data center featured a Nortel designed uni-strut system, dedicated air, UPS, generator, fire suppression, and significant private fiber assets. This move poised the Company for the significant growth to come.

In 2002, driven by customer demand, Tierzero expanded its network footprint to offer T1 access to major cities nationwide. Existing customers with remote offices beyond Greater Los Angeles were now able to receive a total network solution. 

Through 2002 to 2005, Tierzero continued to grow, attracting larger corporations as clients and recording ever increasing annual profits. Notably, Tierzero also extinguished all corporate debt whilst simultaneously adding new products including VPN and, Firewall.


In 2005, Tierzero launched its Hosted PBX, VoIP and Trunk Replacement offering. This exciting new product was extremely well received by existing customers seeking to expand their telecommunications to Tierzero, who already provided their reliable T1 Internet Access. With the adoption of this service Tierzero became a total communications service provider.

In 2006, Tierzero partnered with Netsuite to revamp its internal information services. By outsourcing this important business function, Tierzero was enabled to pursue a key business growth objective while maintaining a lean headcount.

Today, Tierzero continues to prosper in a competitive and volatile market by maintaining its reputation for high quality customer service, and responding to the shifting market needs of its customers with innovative product development and service consolidation.