Calix Competitors and Similar CompaniesClear all
Tellabs's competitors and similar companies include DZS, ADTRAN and Silver Peak.
 DZS DZS (formerly known as Dasan Zhone Solutions) is a company that provides broadband network access solutions. |  ADTRAN ADTRAN Holdings is a company that provides networking and communications platforms, software, and services focused on the broadband access market. |  Silver Peak Silver Peak is a company providing physical and virtual appliances and networking equipment. | ||
Founding Date | Founding Date 1978 | Founding Date 1999 | Founding Date 1985 | Founding Date 2004 |
Type | Type Private | Type Private | Type Public | Type Private |
Tags | ||||
Locations | Locations Carrollton, US HQ | Locations Plano, US HQ Lane Cove West, AU Regents Park, AU Surrey Hills, AU São Paulo, BR Ottawa, CA Hannover, DE see more | Locations Huntsville, US HQ Melbourne, AU South Melbourne, AU Wien, AT São Paulo, BR Montreal, CA Shenzhen, CN see more | Locations Santa Clara, US HQ München, DE Shibuya City, JP |
Employees | Employees 1,156 | Employees 4625% decrease | Employees 3,0914% decrease | Employees 2521% decrease |
Financial | ||||
Revenue (est.) | Revenue (est.) N/A | Revenue (est.) $375.7m (FY, 2022) | Revenue (est.) $1.1b (FY, 2025) | Revenue (est.) N/A |
Cost of goods | Cost of goods N/A | Cost of goods $257.3m (FY, 2022) | Cost of goods $668.9m (FY, 2025) | Cost of goods N/A |
Gross profit | Gross profit N/A | Gross profit $118.4m (FY, 2022) | Gross profit $415m (FY, 2025) | Gross profit N/A |
Operating ⚠ | ||||
Product Categories | Product Categories 13 (Jan, 2023) | Product Categories N/A | Product Categories 3 (FY, 2021) | Product Categories N/A |
Solutions | Solutions 2 (Jan, 2023) | Solutions N/A | Solutions N/A | Solutions 5 (Nov, 2022) |
Funding | ||||
Latest funding round | Latest funding round N/A | Latest funding round $ 56.5m (almost 10 years ago) | Latest funding round N/A | Latest funding round $ 90m (about 8 years ago) |
Total funding raised | Total funding raised N/A | Total funding raised $ 56.5m | Total funding raised N/A | Total funding raised $ 175.9m |
For sources of this data, please see the company profile
View Company Profiles
DZS
HQ
Plano, US
Employees
462↓ 5% decrease
DZS (formerly known as Dasan Zhone Solutions) is a company that provides broadband network access solutions.
View companyADTRAN
HQ
Huntsville, US
Employees
3,091↓ 4% decrease
ADTRAN Holdings is a company that provides networking and communications platforms, software, and services focused on the broadband access market.
View companySilver Peak
HQ
Santa Clara, US
Employees
252↓ 1% decrease
Silver Peak is a company providing physical and virtual appliances and networking equipment.
View company