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Filing Detail
Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0000950135-00-000909
Filing Date
2000-02-15
Accepted
2000-02-15 00:00:00
Documents
1

Document Format Files

Seq Description Document Type Size
1 TOLL GRADE COMMUNICATIONS SC 13G 8605
  Complete submission text file 0000950135-00-000909.txt   10465
Mailing Address
Business Address 99 SUMMER ST BOSTON MA 02110 6172610681
FRONTIER CAPITAL MANAGEMENT CO INC /ADV (Filed by) CIK: 0000733581 (see all company filings)

IRS No.: 042715137 | State of Incorp.: MA | Fiscal Year End: 1231

Mailing Address
Business Address 493 NIXON RD CHESWICK PA 15024 4122742156
TOLLGRADE COMMUNICATIONS INC \PA\ (Subject) CIK: 0001002531 (see all company filings)

IRS No.: 251537134 | State of Incorp.: PA | Fiscal Year End: 1231
Type: SC 13G | Act: 34 | File No.: 005-50381 | Film No.: 545352
SIC: 7385 Services-Telephone Interconnect Systems