Mechanical Business Holdings LLC
Mechanical Business Holdings LLC is a small business in Plainfield, IL registered on SAM.gov to bid on federal contracts. It has won about $495,683 in federal prime contracts since fiscal year 2024, according to USAspending.gov.
- UEI
- RLSNRHSSCAN9
- CAGE code
- 91WS7
- SAM.gov registration
- Active
Registration details
| Legal business name | Mechanical Business Holdings LLC |
|---|---|
| Unique Entity ID (UEI) | RLSNRHSSCAN9 |
| CAGE code | 91WS7 |
| Location | Plainfield, IL |
| SAM.gov registration | Active through Sep 8, 2027 |
| Business started | 2021 |
| Primary NAICS code | 561210: Facilities Support Services |
| Website | kirwanmechanicalservice.com |
Certifications and business types
- Small disadvantaged business (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 Mechanical Business Holdings LLC is small under
On its SAM.gov registration, Mechanical Business Holdings LLC meets the SBA size standard for these industries, so it can bid on small business set-asides that use them.
- 561210 Facilities Support Services
- 221210 Natural Gas Distribution
- 221310 Water Supply and Irrigation Systems
- 221330 Steam and Air-Conditioning Supply
- 238210 Electrical Contractors and Other Wiring Installation Contractors
- 238220 Plumbing, Heating, and Air-Conditioning Contractors
- 423610 Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers
- 423690 Other Electronic Parts and Equipment Merchant Wholesalers
- 541330 Engineering Services
- 541350 Building Inspection Services
- 541990 All Other Professional, Scientific, and Technical Services
- 811210 Electronic and Precision Equipment Repair and Maintenance
- 811310 Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
- 811412 Appliance Repair and Maintenance
Open contracts in Mechanical Business Holdings LLC's NAICS codes
445 open federal opportunities on SAM.gov use a NAICS code Mechanical Business Holdings LLC is small under. These are due soonest.
- The U.S. Fish and Wildlife Service, Region 2 Heavy Equipment Maintenance and Re
✦ The U.S. Fish and Wildlife Service (Region 2) plans a 10-year multiple-award Blanket Purchase Agreement for heavy equipment maintenance and repair in Arizona, New Mexico,…
Due in 2 daysOct 12, 2026
- John Deere 544E Forklift Repair Services
Due in 2 daysOct 12, 2026
- Steris Service Contract | RFQ | 11/01/26-10/31/31
✦ The VA Network Contract Office 5 wants a contractor to do scheduled preventive maintenance on Steris equipment at the VA Perry Point and Baltimore facilities.
Due in 2 daysOct 12, 2026
- Riverain ClearRead Software in support of the VISN 23 VA Healthcare System.
✦ The VA's Network Contract Office 23 plans to award a sole source firm fixed price contract, under the Federal Supply Schedules, to Riverain Technologies for ClearRead software…
Due in 2 daysOct 12, 2026
- CON | Z1DA | REPLACE OR CHILLERS | 580-23-105 | PRESOLICITATION
✦ The VA Medical Center in Houston, TX plans a construction contract to remove and replace two operating room chillers in Building 100.
Due in 2 daysOct 12, 2026
Similar small businesses
Other small businesses with the same primary NAICS code (561210) that have won federal contracts, starting with Illinois:
- Amalgamated Services, Inc., Frankfort, IL
- Miramar International Group, Inc., La Grange, IL
- Azimuth Contracting Infrastructure Solutions LLC, La Grange, IL
- Raw Holdings LLC, Chicago, IL
- Blue Farm Concepts LTD., Flossmoor, IL
- Opulent Operations Inc, Aurora, IL
Frequently asked questions
What is Mechanical Business Holdings LLC's CAGE code?
Mechanical Business Holdings LLC's CAGE code is 91WS7. The Defense Logistics Agency assigns CAGE codes when a business registers on SAM.gov.
What is Mechanical Business Holdings LLC's UEI?
Mechanical Business Holdings LLC's Unique Entity ID (UEI) is RLSNRHSSCAN9. SAM.gov assigns the UEI, and it identifies the business across the federal government.
Is Mechanical Business Holdings LLC's SAM.gov registration active?
Yes, as of the latest SAM.gov public data, Mechanical Business Holdings LLC's registration is active through sep 8, 2027. Registrations are renewed every year.
Is Mechanical Business Holdings LLC a small business?
Mechanical Business Holdings LLC is registered on SAM.gov as small under 14 NAICS codes, including its primary code, 561210. 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.