General Inquiries
Corporate Headquarters
ManTech International Corporation
2251 Corporate Park Drive
Herndon, VA 20171
Phone: (703) 218-6000
Investor Relations
Phone: (703) 218-8269
Email: [email protected]
Small Business Office
Maria Palao
Phone: (703) 218-6077
Media Inquiries
Sue Cushing, VP of Enterprise Marketing & Communications
Jim Crawford, Executive Director – Media Relations
Phone: (703) 259-3636
GSA and GWAC Inquiries
Employment Verifications
Phone: (800) 800-4857 - ManTech Company Code: 36092
https://www.theworknumber.com
Careers/Employment Inquiries
Phone: (855) 849-6020
Email: [email protected]