Bost & Filtrex, Inc.
Columbus, OH Doing business as Ketchum & Walton CO. Part of Ketchum & Walton Co
- UEI
- MLFFFNPLCS31
- CAGE
- 3JNE3
- Primary NAICS
- 238310 Drywall and Insulation Contractors
- SAM.gov registration
- Active through
Company facts
- Self-certified in SAM.gov
- Entity structure
- Corporate Entity (Not Tax Exempt)
- NAICS codes registered in SAM.gov
- Corporate family
-
-
Ketchum & Walton Co
Parent
WTKXSA1YFSD4
- Bost & Filtrex, Inc. MLFFFNPLCS31
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Ketchum & Walton Co
Parent
WTKXSA1YFSD4
- SAM.gov registration date
- Physical address
- 949 King Ave, Columbus, OH 43212, USA
- Website
- ketchumandwalton.com
- Employees
- 11-50
- Estimated annual revenue
- $1M-$10M
- Industry
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- Industrials
- Capital Goods
- Industrial Conglomerates
- Industrials & Manufacturing
- SIC code
- 35 Industrial Machinery & Equipment
- Profiles
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Recent federal awards
| Award | Agency | Obligated | Awarded |
|---|---|---|---|
| Usro supplies @nmnh | Smithsonian Institution | $18,319 | |
| Goods air filters| hirshhorn museum | Smithsonian Institution | $33,582 | |
| Air handler units | Smithsonian Institution | $19,387 | |
| WO#M30878644855210007 23-3/8X23-3/8X12 camfil XH ABS HI 99.97% filtermodel 01XH-23F23F12-1D-3-c-a-00-0/00 | Office of Logisitics and Acquisition Operations | $12,679 | |
| WO#M3087864623-3/8X23-3/8X12 camfil XH ABS HI 99.97% filtermodel 01XH-23F23F12-1D-3-c-a-00-0/00 855210007 | Office of Logisitics and Acquisition Operations | $12,679 |
About Bost & Filtrex, Inc.
Bost & Filtrex, Inc., operating under the doing-business-as name Ketchum & Walton Co., is a for-profit subchapter S corporation subsidiary based in Columbus, Ohio that has been registered to receive federal contract awards since September 2003. The company specializes in providing air filtration products and systems to federal agencies, positioning itself as a reliable supplier of high-efficiency particulate air (HEPA) filters and related air quality management solutions for government facilities. With expertise spanning the delivery, installation, design, and fabrication of specialized filtration equipment, Bost & Filtrex has established a track record of serving multiple federal agencies with critical air quality and environmental control needs across various institutional settings.
Between December 2022 and April 2025, Bost & Filtrex, Inc. received thirteen prime federal contract awards totaling approximately $425,680, all structured as firm fixed-price purchase orders with no small business set-asides applied. The majority of these awards, representing over eighty percent of the contract value, were issued by the Smithsonian Institution for goods and services including air filters for the Hirshhorn Museum, air handler units, fan filtration system design and fabrication, air filter replacements for multiple buildings (AIB, SIB, and Hirshhorn), and filtration systems for exhibit cases. The Department of Health and Human Services National Institutes of Health Office of Logistics and Acquisition Operations awarded two contracts for specialized Camfil XH ABS high-efficiency filters totaling $25,357.80, while the Department of the Navy Naval Supply Systems Command awarded one contract for $6,180 for HEF filters. Additionally, Bost & Filtrex served as a subcontractor to Huang's Inc. in February 2024 for a soundproof door systems installation project. The company's contract history demonstrates consistent demand for its air filtration expertise across federal civilian agencies, with particular emphasis on museum preservation and facility operations requirements.
Quick answers
What is Bost & Filtrex, Inc.'s UEI?
Bost & Filtrex, Inc.'s Unique Entity ID (UEI) in SAM.gov is MLFFFNPLCS31.
What is Bost & Filtrex, Inc.'s CAGE code?
Bost & Filtrex, Inc.'s CAGE code is 3JNE3.
What is Bost & Filtrex, Inc.'s primary NAICS code?
Bost & Filtrex, Inc.'s primary NAICS code is 238310 (Drywall and Insulation Contractors).
Where is Bost & Filtrex, Inc. located?
Bost & Filtrex, Inc.'s physical address in SAM.gov is 949 King Ave, Columbus, OH 43212, USA.
Is Bost & Filtrex, Inc. registered in SAM.gov?
Yes. Bost & Filtrex, Inc.'s SAM.gov registration is active through January 23, 2027.
Who is Bost & Filtrex, Inc.'s parent company?
Bost & Filtrex, Inc. is part of Ketchum & Walton Co.
What is Bost & Filtrex, Inc.'s most recent federal award?
Bost & Filtrex, Inc.'s most recent federal contract award is Usro supplies @nmnh (33313226P00539321), from Smithsonian Institution, on July 1, 2026.
On GovTribe
See Bost & Filtrex, Inc.'s full federal record
- Federal contract awards
- Subcontracting relationships
- Funding analysis by agency, NAICS and set-aside
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