Byer, Marilyn
Byer, Marilyn is a small business in Watertown, SD registered on SAM.gov to bid on federal contracts. It has won about $124,368 in federal prime contracts since fiscal year 2024, according to USAspending.gov.
- UEI
- W3QQZ7QLEYL9
- CAGE code
- 4M7M6
- SAM.gov registration
- Active
Registration details
| Legal business name | Byer, Marilyn |
|---|---|
| Unique Entity ID (UEI) | W3QQZ7QLEYL9 |
| CAGE code | 4M7M6 |
| Location | Watertown, SD |
| SAM.gov registration | Active through Feb 10, 2027 |
| Business started | 2004 |
| Primary NAICS code | 561720: Janitorial Services |
Certifications and business types
- 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
| Fiscal year | Prime contract obligations |
|---|---|
| FY2023 | $96,726 |
| FY2024 | $92,480 |
| FY2025 | $-9,902 |
| FY2026 | $41,790 |
Its biggest federal customers over the last four fiscal years: Department of Energy ($221,094).
Recent contract awards
| Awarded | Agency | What it's for | Amount |
|---|---|---|---|
| May 20, 2026 | Department of Energy | 2026 janitorial services for watertown operations, marketing, and maintenance offices | $105,139 |
| Jan 24, 2022 | Department of Energy | Janitorial services for watertown operations, marketing/maintenance, and alternate… | $270,425 |
| Jun 29, 2018 | Department of Energy | Janitorial services for watertown operations, marketing, and maintenance offices | $194,932 |
Figures are prime contract obligations reported to USAspending.gov. Work done as a subcontractor isn't included.
NAICS codes Byer, Marilyn is small under
On its SAM.gov registration, Byer, Marilyn meets the SBA size standard for these industries, so it can bid on small business set-asides that use them.
- 561720 Janitorial Services
Open contracts in Byer, Marilyn's NAICS codes
22 open federal opportunities on SAM.gov use a NAICS code Byer, Marilyn is small under. These are due soonest.
- Custodial Services - Ashley, PA (PA004)
Due in 3 daysOct 13, 2026
- Sources Sought: Janitorial/Custodial Services - Eagle Pass, TX
Due in 3 daysOct 13, 2026
- Sources Sought Notice - Janitorial Services for Richmond National Cemetery and Satellite Cemeteries
Due in 4 daysOct 14, 2026
- Sources Sought Notice -Janitorial Services for Richmond National Cemetery and Satellite Cemeteries
Due in 4 daysOct 14, 2026
- European Healthcare Environmental Cleaning (HEC) Services
✦ The Defense Health Agency wants a single contractor to provide specialized hospital-grade Healthcare Environmental Cleaning (HEC), plus linen and regulated medical waste…
Due in 5 daysOct 15, 2026
Similar small businesses
Other small businesses with the same primary NAICS code (561720) that have won federal contracts, starting with South Dakota:
- C Clean Corp, Rapid City, SD
- Krystal Klean LLC, Pierre, SD
- GB Cleaning LLC, Vermillion, SD
- Angela Anita Dartt, Wall, SD
- Chugach Consolidated Solutions, LLC, Anchorage, AK
- Alutiiq Operations Services, LLC, Anchorage, AK
Frequently asked questions
What is Byer, Marilyn's CAGE code?
Byer, Marilyn's CAGE code is 4M7M6. The Defense Logistics Agency assigns CAGE codes when a business registers on SAM.gov.
What is Byer, Marilyn's UEI?
Byer, Marilyn's Unique Entity ID (UEI) is W3QQZ7QLEYL9. SAM.gov assigns the UEI, and it identifies the business across the federal government.
Is Byer, Marilyn's SAM.gov registration active?
Yes, as of the latest SAM.gov public data, Byer, Marilyn's registration is active through feb 10, 2027. Registrations are renewed every year.
Is Byer, Marilyn a small business?
Byer, Marilyn is registered on SAM.gov as small under 1 NAICS code, including its primary code, 561720. 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.