GovChime
UEI: C3G1S3D7NH81 • CAGE: 5CAW7

KEYSTONE ADVISORS LLC (IL)

Registration and award facts

SAM.gov registration as of

Net obligations since FY2015
$11.06M
$11,057,613under this UEI
FY2026 obligations
$449.79K
$449,785Provisional
Awards and orders
17
with positive net obligations10 IDV vehicles held
Latest action
Oct 17, 2026
SAM.gov registration
Active
Registration expiration date Mar 28, 2027

Registration

Entity structure
Partnership or Limited Liability Partnership
Business start date
Jan 1, 2012 (14 years)
Location
South Holland, IL
State of incorporation
Il
Purpose of registration
All Awards
Website
keystoneadv.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.

All federal contractors in IllinoisHow these figures are built

Source: SAM.gov entity registration and FPDS contract actions recorded under UEI C3G1S3D7NH81. GovChime does not check exclusions.

Performance

Net obligations recorded under this UEI since FY2015. 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

  • FY2026: $449,785 (provisional)
  • FY2025: $789,852
  • FY2024: $2,635,667
  • FY2023: $3,005,159
  • FY2022: $1,226,680
  • FY2021: $224,820
  • FY2020: $599,260
  • FY2019: $1,458,487
Show all 11 years
  • FY2018: $336,329
  • FY2017: $329,072
  • FY2015: $2,501

Total across 11 fiscal years: $11,057,613

Top awarding agencies

Top awarding sub-agencies

Top NAICS by obligations

Top product and service codes by obligations

  • R699Support- administrative: other$4,908,703, 44.4%
  • R499Support- professional: other$2,677,392, 24.2%
  • R703Support- management: accounting$2,389,876, 21.6%
  • 8140Ammunition and nuclear ordnance boxes, packages and special containers$1,020,446, 9.2%
  • 8135Packaging and packing bulk materials$58,695, 0.5%

Capabilities

SBA certifications

  • SBA-Certified Economically Disadvantaged Women-Owned Small Business
  • SBA Certified HUBZone Firm

Business types self-reported in SAM.gov registration:

  • Minority-Owned Business
  • Self Certified Small Disadvantaged Business
  • Women-Owned Small Business (WOSB) Joint Venture eligible under the WOSB Program
  • Women-Owned Small Business
  • Women-Owned Business
  • Black American Owned

Product and service codes (PSC)

  • B547Special Studies and Analyses
  • R408Professional, Administrative & Management Support
  • R699Professional, Administrative & Management Support
  • R703Professional, Administrative & Management Support
  • R704Professional, Administrative & Management Support
  • R705Professional, Administrative & Management Support
  • R710Professional, Administrative & Management Support
  • R799Professional, Administrative & Management Support

Federal Capability Statement

Keystone Advisors, LLC. (Keystone) is a Certified Public Accounting (CPA) Firm that provides a wide range Audit, Accounting and Advisory Services in the areas of Management, Organizational and Business Improvement, Financial Analysis, Audit, Audit Readiness, Budget Execution and Reporting Support, Program Management, incurred cost audit and analysis and OMB A-123 internal control reviews to both government (federal and local), manufacturing and commercial clients. We also offer staff augmentation services for both long term and short term contract and temporary staff requirements. Established in 2008, our principals have over 30 years’ experience.

Capabilities & Services

Accounting
Auditing
Compliance Reviews
Business Processes
Audit readiness
Audit Support
Internal Controls
Federal Financial Management
Financial Management
Financial Improvement Audit Readiness
Financial Statements
Administrative Support
Program Support
Program Management
Clerical Support
Budget Execution and Reporting
Cyber Security
IT Audit
Planning Programming Budget Execution (PPBE)
Business Case Analysis

Contracts

Latest awards and orders

  1. 47QRCA25DS853Indefinite delivery contract (IDC)VehicleGeneral Services AdministrationFederal Acquisition ServiceLatest action
  2. 47QRCA24DH106Indefinite delivery contract (IDC)VehicleGeneral Services AdministrationFederal Acquisition ServiceLatest action
  3. 15F06722A0000177Blanket purchase agreement (BPA)VehicleDepartment of JusticeFederal Bureau of InvestigationLatest action
  4. 15F06722F0001707BPA callunder a blanket purchase agreement (BPA)Department of JusticeFederal Bureau of InvestigationLatest action
  5. 47QRCA24DW310Indefinite delivery contract (IDC)VehicleGeneral Services AdministrationFederal Acquisition ServiceLatest action
  6. GS23F0005XFederal supply schedule (FSS)VehicleGeneral Services AdministrationFederal Acquisition ServiceLatest action
  7. N0017819D7963Indefinite delivery contract (IDC)VehicleDepartment of DefenseDepartment of the NavyLatest action
  8. 15F06722A0000177Blanket purchase agreement (BPA)VehicleDepartment of JusticeFederal Bureau of InvestigationLatest action
  9. 15F06722F0001735BPA callunder a blanket purchase agreement (BPA)Department of JusticeFederal Bureau of InvestigationLatest action
  10. 47PL0222F0020BPA callunder a blanket purchase agreement (BPA)General Services AdministrationPublic Buildings ServiceLatest action

Contact Info

As of . Source: SAM.gov Points of Contact.

SAM.gov registration for KEYSTONE ADVISORS LLC 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

16000 VAN DRUNEN RD

SOUTH HOLLAND, IL, 60473

USA

Mailing Address

16000 VAN DRUNEN RD

SOUTH HOLLAND, IL, 60473

USA

Government Business Contact

Keith Hasty

16000 S. Van Drunen

South Holland, IL, 60473

USA

Electronic Business Contact

Diane Hasty

16000 S. Van Drunen

South Holland, IL, 60473

USA

Government Business Alternate Contact

JAZMINE HASTY

16000 Van Drunen Road

South Holland , IL, 60473

USA

Electronic Business Alternate Contact

Diane Hasty

16000 Van Drunen Road

South Holland, IL, 60473

USA

Additional Details

As of . Source: SAM.gov Entity Registration.

KEYSTONE ADVISORS LLC has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires March 28, 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 responses

Suspension/Debarment Status

SAM.gov registration reports no active exclusion

Public Display

Entity information is publicly displayed

Disaster Relief Registry

Registered for disaster relief contracting — Nationwide

Bonding Information

No bonding information provided

EDI

Not declared in SAM.gov

Business Structure

Source: SAM.gov
Profit Structure:For Profit Organization
Organization:Limited Liability Company

Registration Details

Source: SAM.gov

Initial Registration

Jun 28, 2012

Last Update

Mar 31, 2026

Registration Activation

Active — Mar 31, 2026

Fiscal Year End

1231

Country of Incorporation

USA

Congressional District

02

Other contractors in Illinois with primary NAICS 541211