Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

GSA Federal Acquisition Service
Banner Home GSA Advantage
(Vendors) How to change your company information
Contract #: GS-35F-184DA
Contractor: OPEN SYSTEMS TECHNOLOGIES CORPORATION
Address: 15827 WAVYLEAF CT
GAINESVILLE, VA 20155-2000
Phone: 3013053116
E-Mail: tom@ostcorp.net
Web Address: http://www.ostcorp.net/
SAM UEI: NHS8C4X93VC6
NAICS: 541511
Socio-Economic : Small Business
EPLS : Contractor not found on the Excluded Parties List System
Govt. Point of Contact:
Kelvin Aiken
Phone: 202-969-7574
E-Mail: kelvin.aiken@gsa.gov
Contract Clauses/Exceptions:
View the specifics for this contract
Source Title Contract
Number
Contractor T&Cs
/Pricelist
Current Option Period End Date Ultimate Contract End Date Category    View Catalog
MAS
Multiple Award Schedule GS-35F-184DA Feb 11, 2026 Feb 11, 2036
54151S
OLM

elibrary.gsa.gov

An official website of the General Services Administration

Looking for U.S. government information and services?
Visit USA.gov