Lower middle market private equity firm

Vance Street Capital

At a glance

Latest fundVance Street Capital IV, $775M (April 2024) S6
EBITDA range$3M to $30M S2
Deal typesPlatform, Add-on, Growth S2
GeographyUnited States, Canada S2
SectorsIndustrial & Manufacturing

What Vance Street Capital buys

Vance Street Capital is a Los Angeles private equity firm that buys engineered-product manufacturers in four areas: medical technology, life sciences, industrial technology, and aerospace and defense. It wants companies with process know-how or IP that make mission-critical parts for regulated markets, with $3 million to $30 million of EBITDA and enterprise values of $30 million to $350 million, based in the US or Canada. It says more than three quarters of its investments have been family-owned businesses, and it also does management buyouts, corporate carve-outs, industry roll-ups and growth capital.

Its fourth fund closed at a $775 million hard cap in April 2024, taking total capital raised past $2 billion. Since late 2024 that fund has backed new platforms including Prince Sterilization Services, System Seals, Fumex, MRPC and Damotech. Add-on acquisitions can be any size and in any location, so a smaller company most often meets Vance Street through a platform such as Keltec in industrial filtration or Pro-Vision in fleet video safety.

Recent deals

Announced in the 24 months before October 20, 2026.

DateCompanyTypeSectorSource
Oct 2026FiltraboxFounder-owned Montreal air purification maker added to Fumex; its managers stay and reinvestAdd-onIndustrial & ManufacturingSource
Aug 2026AJR FiltrationFamily-owned Chicago maker of liquid and dust filtration products added to KeltecAdd-onIndustrial & ManufacturingSource
Aug 2026Convoy TechnologiesIndiana supplier of fleet vision and sensor safety systems added to Pro-VisionAdd-onIndustrial & ManufacturingSource
Apr 2026Jet Parts Engineering and Victor Sierra AviationAerospace aftermarket parts businesses sold to TransDigm for about $2.2 billion; the deal was agreed in January 2026ExitIndustrial & ManufacturingSource
Dec 2025Spartan RadarCalifornia radar collision warning developer added to Pro-VisionAdd-onIndustrial & ManufacturingSource
Nov 2025InjectechFluid management components maker bought from The West Group to form VSC Medical Molding with Plastic Design CompanyAdd-onIndustrial & ManufacturingSource
Nov 2025DamotechQuebec maker of warehouse rack safety products; Mountaingate Capital and management reinvestedPlatformIndustrial & ManufacturingSource
Oct 2025MRPC (Molded Rubber & Plastic Corporation)Family-owned Wisconsin medical device contract manufacturer founded in 1921; the CEO staysPlatformIndustrial & ManufacturingSource
Sep 2025Swift FiltersOhio hydraulic filter and strainer maker added to KeltecAdd-onIndustrial & ManufacturingSource
Jul 2025OkoPedestrian navigation app for blind and low-vision users added to Synapse ITSAdd-onSource
Jun 2025GovCommFlorida wrong-way vehicle detection company added to Synapse ITSAdd-onSource
May 2025Percival Aviation and Cima AviationAircraft interiors maker and fuel and hydraulic repair shop added to Jet Parts EngineeringAdd-onIndustrial & ManufacturingSource
Apr 2025Zenith Adhesive ComponentsIrish contract manufacturer added to Excel Scientific and InnovizeAdd-onIndustrial & ManufacturingSource
Mar 2025Micronics Engineered Filtration GroupIndustrial filtration group sold to Cleanova, owned by PX3 PartnersExitIndustrial & ManufacturingSource
Dec 2024Fumex Air Filtration SystemsGeorgia fume extraction maker, the fourth Fund IV platform; the CEO reinvestedPlatformIndustrial & ManufacturingSource
Dec 2024Action FiltrationPleated and cartridge air pollution filters added to MicronicsAdd-onIndustrial & ManufacturingSource
Dec 2024System SealsCleveland maker of high-performance seals, the third Fund IV platform; the founder stays as CEO with a meaningful stakePlatformIndustrial & ManufacturingSource
Nov 2024Prince Sterilization ServicesNew Jersey contract sterilization and ready-to-use drug container providerPlatformSource

Portfolio by sector

From the firm's portfolio page S4.

Aerospace and Defense

  • Spectra A&D Current

Industrial Technology

  • Damotech Current
  • Fumex Air Filtration Systems Current
  • Keltec Technolab Current
  • Pro-Vision Current
  • Synapse ITS Current
  • System Seals Current

Life Sciences, Medical Technology

  • Excel Scientific Current

Medical Technology

  • Applied Plastics Current
  • Motion Dynamics Current
  • MRPC Current
  • Wytech Current

Medical Technology, Life Sciences

  • Plastic Design Company Current
  • Prince Sterilization Services Current

Past investments: Micronics Engineered Filtration, Jet Parts Engineering, VS Aviation

Greymont’s take

How Vance Street Capital fits a seller

Vance Street suits founders and families who own specialized manufacturers, especially medical device suppliers and industrial filtration, sealing or safety businesses. Its strategy page lays out three paths for the owner: leave at closing, step back to a board or advisory role while keeping a stake, or stay on in the same job. Recent deals cover that range: System Seals' founder kept a meaningful stake and stayed as CEO, Fumex's CEO reinvested, and MRPC's CEO and shareholder continued to lead the business.

The firm builds platforms to sell to large strategic buyers, as when TransDigm bought Jet Parts Engineering and Victor Sierra for about $2.2 billion in 2026. Owners should ask which fund would invest, how much equity they would be expected to roll over, and how Vance Street's operating partners would work with the existing team.

Questions owners ask

What size companies does Vance Street Capital buy?

For new platforms it targets $3 million to $30 million of EBITDA and enterprise values of $30 million to $350 million in the US or Canada. Add-on acquisitions for its portfolio companies can be any size and in any location.

Can a founder stay involved after selling to Vance Street?

Yes. The firm offers a full exit at closing, a partial step back with a retained stake and a board or advisory role, or continued full involvement. System Seals' founder stayed on as CEO with a meaningful stake after the 2024 deal.

Which industries does Vance Street focus on?

Medical technology, life sciences, industrial technology, and aerospace and defense. It looks for niche manufacturers of engineered, mission-critical components, where a part failing would cost a customer far more than the part itself.

Sources

  1. S1Vance Street Capital home page Accessed October 20, 2026
  2. S2Vance Street Capital: Strategy Accessed October 20, 2026
  3. S3Vance Street Capital: About Accessed October 20, 2026
  4. S4Vance Street Capital: Portfolio Accessed October 20, 2026
  5. S5Vance Street Capital: News Accessed October 20, 2026
  6. S6Vance Street Capital Hits Hard Cap at $775 Million for Fund IV (May 8, 2024) Accessed October 20, 2026
  7. S7Vance Street Announces Katherine Dowley as Head of Investor Relations (September 14, 2026) Accessed October 20, 2026
  8. S8TransDigm Completes Acquisition of Jet Parts Engineering and Victor Sierra Aviation Holdings (PR Newswire, April 7, 2026) Accessed October 20, 2026
  9. S9Vance Street Capital Agrees to Sell Jet Parts Engineering and Victor Sierra Aviation to TransDigm (January 16, 2026) Accessed October 20, 2026
  10. S10Vance Street Capital Partners with System Seals (December 9, 2024) Accessed October 20, 2026

Compiled by Greymont Advisors from public sources, including the firm’s own website and press releases. Greymont is not affiliated with Vance Street Capital. Figures are as reported on the dates shown and may have changed. Request a correction

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