MAINLINE CONTRACTING, INC. (SD)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2008
- $2.69M
- $2,687,157under this UEI
- FY2026 obligations
- $0†
- Provisional
- Awards and orders
- 14
- with positive net obligations
- Latest action
- Apr 20, 2022
- SAM.gov registration
- Active
- Registration expiration date Feb 16, 2027
Registration
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Business start date
- Apr 1, 2000 (26 years)
- Location
- Rapid City, SD
- State of incorporation
- South Dakota
- Website
- mainlinecontracting.com
† FY2026 obligations (provisional; DoD awards signed after Jul 31, 2026 are not yet public).
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI V6XLFN9UFGB4. GovChime does not check exclusions.
Capabilities
NAICS Codes
As of . Source: SAM.gov Goods & Services NAICS list.
No NAICS codes reported
SBA certifications
No certification in the SBA profile data.
Capabilities & Services
Contracts
Contracts
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for MAINLINE CONTRACTING, INC. lists a physical address and a separate mailing address, along with 6 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 without a real name are not shown.
Physical Address
4900 S HWY 79
RAPID CITY, SD, 57703
USA
Mailing Address
PO BOX 3448
RAPID CITY, SD, 57709
USA
Government Business Contact
TY J PIVONKA
PRESIDENT
PO BOX 3448
RAPID CITY, SD, 57709
USA
Electronic Business Contact
BARBARA BROWN
CONTROLLER
PO BOX 3448
RAPID CITY, SD, 57709
USA
Past Performance Contact
FLOYD SCHAFER
PRESIDENT
PO BOX 3448
RAPID CITY, SD, 57709
USA
Government Business Alternate Contact
BARBARA BROWN
CONTROLLER
PO BOX 3448, 4900 S HWY 79
RAPID CITY, SD, 57709
USA
Electronic Business Alternate Contact
ROBIN EDDINGTON
CONTROLLER
PO BOX 3448
RAPID CITY, SD, 57709
USA
Past Performance Alternate Contact
0001 238990NN N
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E&Y
Additional Details
As of . Source: SAM.gov Entity Registration.
MAINLINE CONTRACTING, INC. has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires February 16, 2027.
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
Other contractors in South Dakota with primary NAICS 237110
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- Feimer Construction, Inc.Yankton, SD
- O'rourke/Badlands Enterprises LLCPorcupine, SD
- Eagle Butte City OfficeEagle Butte, SD
- DEJ Consulting and Enterprises LLCWatertown, SD · SAM.gov registration Expired