Keystone Advisors LLC
Keystone Advisors LLC is a small business in South Holland, IL registered on SAM.gov to bid on federal contracts. It has won about $3.9 million in federal prime contracts since fiscal year 2024, according to USAspending.gov.
- UEI
- C3G1S3D7NH81
- CAGE code
- 5CAW7
- SAM.gov registration
- Active
Registration details
| Legal business name | Keystone Advisors LLC |
|---|---|
| Unique Entity ID (UEI) | C3G1S3D7NH81 |
| CAGE code | 5CAW7 |
| Location | South Holland, IL |
| SAM.gov registration | Active through Mar 28, 2027 |
| Business started | 2012 |
| Primary NAICS code | 541211: Offices of Certified Public Accountants |
| Website | www.keystoneadv.com |
Certifications and business types
- SBA-certified economically disadvantaged WOSB
- SBA HUBZone certified
- Minority-owned (self-reported in SAM.gov)
- Women-owned (self-reported in SAM.gov)
- Women-owned small business (self-reported in SAM.gov)
SBA certifications let a business compete for set-aside contracts. See set-aside contracts explained.
Federal contract history
USAspending.gov shows no federal prime contracts for this UEI in the last five years. Many small businesses start as subcontractors to larger firms; see how to become a government subcontractor.
NAICS codes Keystone Advisors LLC is small under
On its SAM.gov registration, Keystone Advisors LLC meets the SBA size standard for these industries, so it can bid on small business set-asides that use them.
- 541330 Engineering Services
Open contracts in Keystone Advisors LLC's NAICS codes
157 open federal opportunities on SAM.gov use a NAICS code Keystone Advisors LLC is small under. These are due soonest.
- SB Set-Aside under Seaport – Battle Watch Support Services for CNIC
Due in 2 daysOct 12, 2026
- Engineering Drawings IDIQ
Due in 2 daysOct 12, 2026
- PAE Maritime Professional Support Services
Due in 2 daysOct 12, 2026
- MSC Engineering Drawings IDIQ
Due in 2 daysOct 12, 2026
- SOURCES SOUGHT Data at Rest (DaR) - 400 Obsolescence Resolution
✦ The Air Force (AFLCMC/WIW) is doing market research for installing and integrating a replacement for the E-3G AWACS DAR-400 data-at-rest unit, using a Government-owned KG-204…
Due in 2 daysOct 12, 2026
Similar small businesses
Other small businesses with the same primary NAICS code (541211) that have won federal contracts, starting with Illinois:
- Hamilton Enterprises, LLC, Greenbelt, MD
- Conrad LLP, Lake Forest, CA
- Williams, Adley & Company DC LLP, Washington, DC
- Rma Associates LLC, Arlington, VA
- Thomas & Reed LLC, Carmel, IN
- Rumph & Associates, P.C., Roswell, GA
Frequently asked questions
What is Keystone Advisors LLC's CAGE code?
Keystone Advisors LLC's CAGE code is 5CAW7. The Defense Logistics Agency assigns CAGE codes when a business registers on SAM.gov.
What is Keystone Advisors LLC's UEI?
Keystone Advisors LLC's Unique Entity ID (UEI) is C3G1S3D7NH81. SAM.gov assigns the UEI, and it identifies the business across the federal government.
Is Keystone Advisors LLC's SAM.gov registration active?
Yes, as of the latest SAM.gov public data, Keystone Advisors LLC's registration is active through mar 28, 2027. Registrations are renewed every year.
Is Keystone Advisors LLC a small business?
Keystone Advisors LLC is registered on SAM.gov as small under 1 NAICS code. Size is set per NAICS code, so a business can be small for some contracts and not others.
Keep going
- Look up another business's CAGE code or UEI
- Check a SAM.gov registration's status
- How to become a government subcontractor
Registration details come from SAM.gov's public entity extract and contract figures from USAspending.gov. Contact names and street addresses are left out. To change these details, update the registration on SAM.gov. To ask us to remove this page, email hello@fedready.us.