Silverson Machines Inc.
East Longmeadow, MA
Company facts
- FY2025 rankings
- Self-certified in SAM.gov
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Other NAICS codes in SAM.gov
- SAM.gov registration date
- Physical address
- 355 Chestnut St, East Longmeadow, MA 01028, USA
- Website
- silverson.com
- Founded
- 1948
- Employees
- 51-250
- Estimated annual revenue
- $10M-$50M
- Industry
-
- Consumer Staples
- Food, Beverage & Tobacco
- Food Products
- Food Production
- SIC code
- 35 Industrial Machinery & Equipment
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 | $0 |
| FY2025 | $16,203 |
| FY2024 | $64,317 |
| FY2023 | $24,637 |
Contract awards
Latest 5 listed here. See the rest on GovTribe.
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About the company
Silverson Machines Inc. is a for-profit manufacturer of specialized mixing equipment headquartered in East Longmeadow, Massachusetts, with a SAM.gov registration dating back to November 2001. The company serves the federal government as a prime contractor providing laboratory and pilot-scale mixing equipment and homogenizers to support critical scientific research, vaccine development, and technical applications across multiple government agencies. As a manufacturer of high-performance mixing solutions, Silverson Machines Inc. has established itself as a reliable vendor for federal procurement needs requiring specialized equipment for sophisticated research and production environments.
The company's federal contract portfolio demonstrates a consistent focus on providing advanced mixing and homogenizing equipment to defense and civilian research agencies. Between March 2021 and July 2025, Silverson Machines Inc. secured five prime federal contract awards totaling approximately $127,937, all awarded as firm fixed-price purchase orders with no intermediary subcontractors. The U.S. Department of Agriculture has been a primary customer, awarding three contracts including a $36,152 purchase order in July 2024 for laboratory mixers for the National Bio and Agro-Defense Facility in Manhattan, Kansas; a $24,637 purchase order in November 2022 to support vaccine homogenization and reagent preparation for the National Rabies Program; and a $22,780 purchase order in March 2021 for a high shear batch mixer. The Department of the Navy's Office of Naval Research awarded a $28,165 purchase order in September 2024 for a Silverson Verso-FMX5 pilot scale inline mixer designated as a total small business set-aside. Most recently, the Naval Air Warfare Center awarded a $16,203 purchase order in July 2025 for a Silverson high shear laboratory mixer. These contracts underscore the company's specialization in supplying precision mixing equipment essential to government research facilities and vaccine production initiatives.
Quick answers
Is Silverson Machines Inc. registered in SAM.gov?
Yes. Silverson Machines Inc.'s SAM.gov registration is active through July 15, 2027.
What is Silverson Machines Inc.'s CAGE code?
Silverson Machines Inc.'s CAGE code is 1VKU0, and its Unique Entity ID (UEI) is GFW3Z3BVZRV8.
How much has Silverson Machines Inc. received in federal contracts?
Federal contracts obligated $16,203 to Silverson Machines Inc. in fiscal year 2025 and $105,157 in fiscal years 2023 through 2027.
How does Silverson Machines Inc. rank among federal contractors?
Silverson Machines Inc. ranked #91 in PSC 3419 in FY2025.
What is Silverson Machines Inc.'s most recent federal award?
Silverson Machines Inc.'s most recent federal contract award is Silverson high sheer laboratory mixer (N6893625P5141), from Naval Air Warfare Center (NAVAIR), on July 16, 2025.
On GovTribe
See Silverson Machines Inc.'s full federal record
- Federal contract awards
- Funding analysis by agency, NAICS and set-aside
- Similar vendors