Client

MANTECH INTERNATIONAL CORPORATION

This client has no identified current or past links to China.

FILINGS KEY

Client Is Connected to China as Indicated in Filing

Client Is Connected to China as per Heritage Foundation Analysis

No Known Client Connection to China

—

Lobbying Terminated

Show Only Filings With China-Connected Clients

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Based on data as of June 8, 2026

Associated Filings (3)

Client
MANTECH INTERNATIONAL CORPORATION

Lobby Firm
SIGNAL GROUP CONSULTING LLC

Filing Year
2010

Lobbying Status
Terminated 2010

Foreign Entities Connected to Client

None

Lobbyists

CHAMBERLIN, ROBERT W
MARKEY, JEFF
MCBEE, STEVE
O'KEEFE, SHANNON
PATTERSON, HOLLAND
SHEEHY, MICHAEL W

View Filing at LDA.gov

Client
MANTECH INTERNATIONAL CORPORATION

Lobby Firm
HOLLAND & KNIGHT LLP

Filing Year
2020

Lobbying Status
Terminated 2022

Foreign Entities Connected to Client

None

Lobbyists

DAVIS, THOMAS M III

View Filing at LDA.gov

Client
MANTECH INTERNATIONAL CORPORATION

Lobby Firm
NAVIGATORS GLOBAL LLC FORMERLY DC NAVIGATORS LLC

Filing Year
2021

Lobbying Status
Active

Foreign Entities Connected to Client

None

Lobbyists

BERGER, RYAN
DISTASO, DOUGLAS
KEISER, ANDY
ROGERS, SARAH

View Filing at LDA.gov