Ribbon Communications Inc.
Customers
2
2 active
Suppliers
0
None disclosed
Largest customer
13%
VZ · 3M to 2026-06-30
Named-customer revenue
$44.2M
2 customers · 3M to 2026-06-30
Latest period
Jun 30, 2026
10-Q filed 2026-07-31
Customers 2
Companies RBBN discloses as major customers, as a share of RBBN revenue. 2 active, 0 lapsed.
| Company | % of RBBN revenue | Est. revenue | Period | Trend | Status | Source |
|---|---|---|---|---|---|---|
| VZ VERIZON COMMUNICATIONS INC |
13% | $25.0M | 3M 2026-06-30 | −1.0pp | Active | 10-Q 2026-07-31 |
(14) MAJOR CUSTOMERSThe following customers contributed 10% or more of the Company’s revenue in the three and six months ended June 30, 2026 and 2025: Three months ended Six months ended June 30, June 30, June 30, June 30, 2026 2025 2026 2025 Verizon Communications Inc. 13% 21% 13% 18%Bharti Telecom Limited 10%* 12%* * Less than 10% of total revenue At June 30, 2026 and December 31, 2025, no customer accounted for 10% or more of the Company’s accounts receivable balance. (14) MAJOR CUSTOMERSThe following customers contributed 10% or more of the Company’s revenue in the three months ended March 31, 2026 and 2025: Three months ended March 31, March 31, 2026 2025 Verizon Communications Inc. 14% 15% Bharti Telecom Limited 14%* * Less than 10% of total revenue At March 31, 2026 and December 31, 2025, no customer accounted for 10% or more of the Company’s accounts receivable balance. In the year ended December 31, 2025, Verizon Communications Inc. (“Verizon”) accounted for approximately 17% of our revenue. (14) MAJOR CUSTOMERSThe following customers contributed 10% or more of the Company’s revenue in the three and nine months ended September 30, 2025 and 2024: Three months ended Nine months ended September 30, September 30, September 30, September 30, 2025 2024 2025 2024 Verizon Communications Inc. 18% 15% 18% 13% Bharti Telecom Limited 10%* * * * Less than 10% of total revenue At September 30, 2025 and December 31, 2024, no customer accounted for 10% or more of the Company’s accounts receivable balance. (18) MAJOR CUSTOMERSThe following customers contributed 10% or more of the Company’s revenue in at least one of the years ended December 31, 2025, 2024 and 2023: Year ended December 31, 2025 2024 2023 Verizon Communications Inc. 17% 14% 11% At December 31, 2025 and 2024, no customer accounted for 10% or more of the Company’s accounts receivable balance. | ||||||
| Bharti Telecom Limited Non-SEC Bharti Telecom Limited |
10% | $19.2M | 3M 2026-06-30 | −4.0pp | Active | 10-Q 2026-07-31 |
(14) MAJOR CUSTOMERSThe following customers contributed 10% or more of the Company’s revenue in the three and six months ended June 30, 2026 and 2025: Three months ended Six months ended June 30, June 30, June 30, June 30, 2026 2025 2026 2025 Verizon Communications Inc. 13% 21% 13% 18%Bharti Telecom Limited 10%* 12%* * Less than 10% of total revenue At June 30, 2026 and December 31, 2025, no customer accounted for 10% or more of the Company’s accounts receivable balance. (14) MAJOR CUSTOMERSThe following customers contributed 10% or more of the Company’s revenue in the three months ended March 31, 2026 and 2025: Three months ended March 31, March 31, 2026 2025 Verizon Communications Inc. 14% 15% Bharti Telecom Limited 14%* * Less than 10% of total revenue At March 31, 2026 and December 31, 2025, no customer accounted for 10% or more of the Company’s accounts receivable balance. (14) MAJOR CUSTOMERSThe following customers contributed 10% or more of the Company’s revenue in the three and nine months ended September 30, 2025 and 2024: Three months ended Nine months ended September 30, September 30, September 30, September 30, 2025 2024 2025 2024 Verizon Communications Inc. 18% 15% 18% 13% Bharti Telecom Limited 10%* * * * Less than 10% of total revenue At September 30, 2025 and December 31, 2024, no customer accounted for 10% or more of the Company’s accounts receivable balance. | ||||||
Named as competitors
Companies this filer names as competitors.
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