Walter Mechanical Services Inc.
Flushing, MI Doing business as ATI Group
- UEI
- P9H6ZQGNE884
- CAGE
- 3HAB3
- SAM.gov registration
- Active through
Company facts
- Self-certified in SAM.gov
- Entity structure
- Corporate Entity (Not Tax Exempt)
- SAM.gov registration date
- Physical address
- 3419 Pierson Pl, Flushing, MI 48433, USA
- Website
- atigroupinc.com
- Employees
- 51-250
- Estimated annual revenue
- $10M-$50M
- Industry
-
- Industrials
- Capital Goods
- Construction & Engineering
- Civil Engineering
- SIC code
- 87 Engineering & Management Services
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $0 |
| FY2026 | $319,272 |
| FY2025 | $50,427 |
| FY2024 | $495,232 |
| FY2023 | $928,991 |
Top agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of Veterans Affairs | $319,272 |
Contract vehicles
Contract awards
Latest 5 listed here. See the rest on GovTribe.
Similar vendors
| Vendor | Location | Primary NAICS |
|---|---|---|
| Kerney & Associates, LLC | Fort Lauderdale, FL | 238220 Plumbing, Heating, and Air-Conditioning Contractors |
| Haberberger Inc Mechanical Contractor | Affton, MO | 238220 Plumbing, Heating, and Air-Conditioning Contractors |
| Mission Aire Corporation | Brea, CA | 238220 Plumbing, Heating, and Air-Conditioning Contractors |
| Hartigan, Bowman, Foster & Associates, Inc. | Carrollton, VA | 541330 Engineering Services |
| Comfort Systems USA Inc. | Houston, TX | — |
About the company
Walter Mechanical Services Inc., doing business as ATI Group, is a veteran owned professional engineering firm that provides mechanical, electrical and plumbing engineering design/build services as well as extensive facilities support and maintenance services. As a prime contractor, ATI Group has received federal contract awards from agencies like the Department of Veterans Affairs and Department of Transportation to deliver critical infrastructure upgrades, repairs and maintenance services related to HVAC systems, steam and chilled water distribution, boiler plant operations, and other facility needs at VA medical centers, air traffic control towers and other government buildings across the country.
Past prime contract awards held by ATI Group demonstrate the company's capabilities supporting federal facilities and infrastructure, including: a $772K award from VA-VHA to replace chillers and pumps at a VA facility in Michigan; a $487K award from VA-VIN12 for boiler operation services at the Hines VA Hospital in Illinois; a $297K delivery order under the GSA Schedule to provide heating coil replacement at the Hines VA facility; a $204K order under the GSA Schedule for air handling unit repairs at the Louisville VAMC; and a $95K delivery order to maintain HVAC and boilers for the Fisher House lodging buildings operated by the New Mexico VA Health Care System. Awards have been designated as set asides for Service-Disabled Veteran Owned Small Businesses on several contracts. As a subcontractor, no recent federal subcontract awards were listed for ATI Group.
The company also holds a 5-year GSA Federal Supply Schedule contract (Multiple Award Schedule) as a prime contract IDV, with a maximum $1 million potential value for an unspecified catalog of offerings. Task orders can be awarded against this schedule contract on an ongoing basis through December 2024.
Quick answers
Is Walter Mechanical Services Inc. registered in SAM.gov?
Yes. Walter Mechanical Services Inc.'s SAM.gov registration is active through January 20, 2027.
Which contract vehicles does Walter Mechanical Services Inc. hold?
Walter Mechanical Services Inc. holds a place on 2 federal contract vehicles, including 03FAC and MAS.
How much has Walter Mechanical Services Inc. received in federal contracts?
Federal contracts obligated $50,427 to Walter Mechanical Services Inc. in fiscal year 2025 and $1,793,922 in fiscal years 2023 through 2027.
What is Walter Mechanical Services Inc.'s most recent federal award?
Walter Mechanical Services Inc.'s most recent federal contract award is Replace all boiler #1 tubes in DTW towb located at detroit, michigan (697DCK23P00021), from Southwestern Region (FAA), on November 16, 2022.
On GovTribe
See Walter Mechanical Services Inc.'s full federal record
- Federal contract awards
- IDV awards
- Contract vehicles
- Subcontracting relationships
- Funding analysis by agency, NAICS and set-aside
- Similar vendors