Our portfolio companies illustrate our commitment to value creation through operational improvement.

To date, Pfingsten has acquired 138 companies through five investment funds. We are actively seeking platform investments for our $382 million Fund V, and add-on acquisitions for Fund IV and Fund V platform companies.


Manufacturer and distributor of branded compressed air piping systems, components, kits, replacement parts and other related accessories.

Full Spectrum

National, brand agnostic service provider for laboratory instruments, offering a full range of service contracts, preventative maintenance programs, calibration and validation, repair services, parts, and reconditioned instruments.

South-Tek Systems

South-Tek Systems is a designer and manufacturer of nitrogen generators, serving customers across a diverse set of industrial and commercial end markets domestically and internationally.

Quality Valve

Quality Valve is a multi-brand distributor of OEM replacement and repair parts for safety and relief valves serving certified valve repair companies.

Diamond Assets, LLC

Diamond Assets is a leading, national provider of IT asset reclamation, refurbishment and distribution services serving the education, enterprise and government sectors.


Designer, manufacturer and online retailer of drone equipment, components and replacement parts for racing, consumer, commercial and military applications.


Manufacturer of wide format, portable promotional signage and displays under the Showdown Displays, Jansen Display, Promic, and Victory Corps brand names.

Kith Kitchens

Manufacturer of semi-custom framed and frameless kitchen and bath cabinetry under the Kith and Eudora brand names.

Oliver Printing & Packaging Co.

Manufacturer of customized folding carton packaging and premium marketing collateral.

Crane 1

Provider of overhead crane services and equipment, including inspections, maintenance, repair, design, and installation of overhead crane systems.

Burton Saw and Supply

Manufacturer and distributor of cutting tools, equipment and consumable products for the wood processing industry in North America.


Manufacturer of custom, high power AC and DC power supplies, energy management systems and power transformers.

FireKing Security Group

Manufacturer and service provider of security, safety and asset protection products.