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Contract #:
Contractor: MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC.
Address: 2251 CORPORATE PARK DRIVE
HERNDON, VA 20171-4839
Phone: (703)218-6440
E-Mail: Alliant2@mantech.com
Web Address: http://www.mantech.com
DUNS: 139627525
NAICS: 541512
Socio-Economic : Other than small business
EPLS : Contractor not found on the Excluded Parties List System
Govt. Point of Contact:
Diemle T. Phan
Phone: 202-219-1272
E-Mail: diemle.phan@gsa.gov
Source Title Contract
Number
Contractor T&Cs
/Pricelist
Contract End Date Category    View Catalog
ALIAN2
Alliant 2 47QTCK18D0031 Jun 30, 2023
ALL 2
 

Additional Contracts held by this contractor. To view more details of a contract, click the Contract Number below.
Source Title Contract
Number
Contractor T&Cs
/Pricelist
Contract End Date Category    View Catalog
00CORP
The Professional Services Schedule (PSS) GS-00F-086CA Mar 17, 2025
00CORP 500
871 1
871 2
871 3
871 4
871 5
871 6
874 1
874 4
874 501
874 503
874 504
874 505
874 507
874 7
MAS
Multiple Award Schedule GS-07F-5506P Dec 21, 2023
334512
541330L
OLM
MAS
Multiple Award Schedule GS-35F-0142W Dec 6, 2024
511210
54151
54151ECOM
54151HACS
54151HEAL
54151S
611420
OLM
OASIS
One Acquisition Solution for Integrated Services (OASIS) GS00Q14OADU124   Sep 2, 2024
OASIS POOL1
 
OASIS
One Acquisition Solution for Integrated Services (OASIS) GS00Q14OADU324   Sep 2, 2024
OASIS POOL3
 
OASIS
One Acquisition Solution for Integrated Services (OASIS) GS00Q14OADU422   Sep 2, 2024
OASIS POOL4
 
OASIS
One Acquisition Solution for Integrated Services (OASIS) GS00Q14OADU612   Sep 2, 2024
OASIS POOL5B