MAINSTREAM GS, L.L.C. (IA)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2008
- $53.05M
- $53,049,455under this UEI
- FY2026 obligations
- $0†
- Provisional
- Awards and orders
- 59
- with positive net obligations4 IDV vehicles held
- Latest action
- Mar 4, 2021
- SAM.gov registration
- Inactive
- Registration expiration date Jul 15, 2020
Registration
- Entity structure
- Partnership or Limited Liability Partnership
- Business start date
- Jun 12, 2003 (23 years)
- Location
- Robins, IA
- State of incorporation
- Iowa
- Purpose of registration
- All Awards
- Website
- mainstreamgs.com
† FY2026 obligations (provisional; DoD awards signed after Jul 25, 2026 are not yet public).
Contract actions that the Department of Defense both funds and awards are withheld at the source for 90 days, so DoD awards signed after Jul 25, 2026 are not yet public.
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI U53LJMA42GF5. GovChime does not check exclusions.
Performance
Net obligations recorded under this UEI since FY2008. Top lists show the largest five by share of this vendor's net obligations; the shares do not sum to 100%.
Net obligations by fiscal year of action
- FY2018: $952,145
- FY2017: $952,200
- FY2016: $1,237,660
- FY2015: $1,465,671
- FY2014: $3,384,306
- FY2013: $5,062,021
- FY2012: $6,283,713
- FY2011: $5,946,059
Show all 11 yearsEarlier years (FY2008–FY2010)
- FY2010: $9,858,763
- FY2009: $9,613,306
- FY2008: $8,293,611
Total across 11 fiscal years: $53,049,455
Top awarding agencies
- Department of Defense$52,999,455, 99.9%
- National Aeronautics and Space Administration$50,000, 0.1%
Top awarding sub-agencies
- Department of the Air Force$52,976,109, 99.9%
- National Aeronautics and Space Administration$50,000, 0.1%
- Department of the Army$23,346, <0.1%
Top NAICS by obligations
- 541614Process, physical distribution, and logistics consulting services$39,562,456, 74.6%
Top product and service codes by obligations
- R425Engineering and technical services$36,937,345, 69.6%
- R408Support- professional: program management/support$5,804,182, 10.9%
- R799Support- management: other$2,182,080, 4.1%
- J099Maint/repair/rebuild of equipment- miscellaneous$2,125,055, 4.0%
- R499Support- professional: other$1,752,452, 3.3%
Capabilities
NAICS codes
- 541611Administrative Management and General Management Consulting Services(primary)Small
- 541511Custom Computer Programming ServicesSmall
- 541512Computer Systems Design ServicesSmall
- 541513Computer Facilities Management ServicesSmall
- 541519Other Computer Related Services
- 541614Process, Physical Distribution, and Logistics Consulting ServicesSmall
Show all 7 NAICS codes1 more NAICS codes
Small: small business for that NAICS, self-certified in SAM.gov registration.
SBA certifications
No certification in the SBA profile data.
Business types self-reported in SAM.gov registration:
- Veteran-Owned Business
Contracts
Latest awards and orders
- GS10F0310UFederal supply schedule (FSS)VehicleGeneral Services AdministrationFederal Acquisition ServiceLatest action
- FA805216C0029Definitive contractDepartment of DefenseDepartment of the Air ForceLatest action
- FA664317F0043Delivery orderunder a federal supply schedule (FSS)Department of DefenseDepartment of the Air ForceLatest action
- FA664312C0007Definitive contractDepartment of DefenseDepartment of the Air ForceLatest action
- GS35F403CAFederal supply schedule (FSS)VehicleGeneral Services AdministrationFederal Acquisition ServiceLatest action
- FA857114F0008DoDepartment of DefenseDepartment of the Air ForceLatest action
- W912LN14F0081Delivery orderunder a federal supply schedule (FSS)Department of DefenseDepartment of the ArmyLatest action
- FA857113F9006DoDepartment of DefenseDepartment of the Air ForceLatest action
- FA942213F8002DoDepartment of DefenseDepartment of the Air ForceLatest action
- GS10FAA048Blanket purchase agreement (BPA)VehicleGeneral Services AdministrationFederal Acquisition ServiceLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for MAINSTREAM GS, L.L.C. lists a physical address and a separate mailing address, along with 4 verified points of contact. Past Performance contacts are the recommended outreach channel for due-diligence references; Government Business contacts handle procurement-facing correspondence.
Source: SAM.gov entity registration. Contacts displaying numeric or placeholder names have been filtered (defense-in-depth).
Physical Address
125 ROBINS SQUARE CT.
Robins, IA, 52328
USA
Mailing Address
125 ROBINS SQUARE CT.
ROBINS, IA, 52328
USA
Government Business Contact
David Ringel
Vice President
125 Robins Square Court
Robins, IA, 52328
USA
Electronic Business Contact
David Ringel
Vice President
125 Robins Square Court
Robins, IA, 52328
USA
Past Performance Contact
David Ringel
Vice President
125 Robins Square Court
Robins, IA, 52328
USA
Electronic Business Alternate Contact
Michelle Stramel
Admin
125 ROBINS SQUARE CT.
ROBINS, IA, 52328
USA
Additional Details
As of . Source: SAM.gov Entity Registration.
MAINSTREAM GS, L.L.C. has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires July 15, 2020.
Source: SAM.gov entity registration (FAR responses, registration status). Always verify active exclusions against the authoritative record on SAM.gov before contract award.
Compliance & Risk Assessment
Source: SAM.gov FAR responsesSuspension/Debarment Status
SAM.gov registration reports no active exclusion
Public Display
Entity information is publicly displayed
Disaster Relief Registry
Not registered for disaster relief
Bonding Information
No bonding information provided
EDI
Not declared in SAM.gov
Business Structure
Source: SAM.govRegistration Details
Source: SAM.govInitial Registration
Last Update
Registration Activation
Fiscal Year End
Country of Incorporation
Congressional District
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