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Largest Telecommunications Firms Serving the Bay Area
Company name
Address No. employees:
Phone Bay Area
Rank Prior Web site Companywide
1 NL Pacific Bell (SBC Communications 25,000
Inc.) 61,000
140 Montgomery St.,
San Francisco 94105
(415) 356-1000
www.pacbell.com
2 1 AT&T 5,200
795 Folsom St., San Francisco 94107 162,000
(800) 222-0300
www.att.com
3 2 Lucent Technologies 2,500
2300 Camino Ramon, San Ramon 94583 153,000
(925) 815-8000
www.lucent.com
4 18 Siemens Corp. 1,100
4000 Executive Parkway, Ste. 210, 447,000
San Ramon 94583
(925) 830-1155
www.icn.siemens.com
5 3 MCI Worldcom Inc. 1,084
201 Spear St., Sixth floor, 1,084
San Francisco 94105
(415) 228-1100
www.worldcom.com
6 8 Zhone Technologies Inc. 610
7001 Oakport St., Oakland 94621 630
(510) 777-7000
www.zhone.com
7 4 Sprint Corp. 500
4256 Hacienda Drive, Ste. 200, 84,000
Pleasanton 94588
(925) 469-2700
www.sprintpcs.com
8 NL XO Communications 400
One Front St., Ste. 1850, 7,400
San Francisco 94111
(888) 575-6398
www.xo.com
9 6 Nextel Communicatinos 340
1255 Treat Blvd., Ste. 800, 16,000
Walnut Creek 94596
(925) 279-2300
www.nextel.com
10 NL Clarent Corp. 325
700 Chesapeake Drive, Redwood City 825
94063
(650) 306-7511
www.clarent.com
11 NL Cyras Systems Inc. 284
47100 Bayside Parkway, 284
Fremont 94538
(510) 623-6600
www.cyras.com
12 NL WaveSplitter Technologies Inc. 279
45430 Fremont Blvd., Fremont 94538 304
(510) 580-8800
www.wavesplitter.com
13 NL Verizon Wireless 250
12677 Alcosta Blvd., 38,000
San Ramon 94583
(925) 277-9400
www.verizonwireless.com
14 NL Avaya Inc. (Lucent Technologies 240
spinoff) 28,600
2633 Camino Ramon, San Ramon 94583
(866) 462-8292
www.avaya.com
15 12 NetsWork Inc. 215
4256 Hacienda Road, 675
Pleasanton 94588
(925) 598-2800
www.netsworkinc.com
16 20 Terawave Communications Inc. 200
30680 Huntwood Ave., Hayward 94544 200
(510) 429-5300
www.terawave.com
17 20 ACS Dataline 200
2021 Las Positas Clourt, Ste. 127, 200
Livermore 94550
(925) 606-0404
www.acsdataline.com
18 NL Certicom Corp. 188
25801 Industrial Blvd., 398
Hayward 94545
(510) 780-5400
www.certicom.com
19 NL Level 3 Communications 100
185 Berry St., San Francisco 94107 6,000
(415) 808-1600
www.level3.com
20 20 VOICEPRO 90
4000 Executive Parkway, 90
San Ramon 94583
(925) 866-8866
www.voicepro.com
21 NL Networld Communications 86
3221 20th St., San Francisco 94110 110
(415) 276-8000
www.ndw.com
22 NL Airnex Communications Inc. 70
3000 Executive Parkway, Ste. 230, 90
San Ramon 94583
(925) 327-8000
www.airnex.com
23 NL Coastcom 68
1151 Harbor Bay Parkway, 72
...