Teamwork, Partnership, Dedication

Gladstone Capital provides loans to lower-middle market businesses. Below are several representative portfolio companies. For a full listing, please refer to our periodic reports filed on Forms 10-Q and 10-K.




Antenna Research Associates, Inc.

ARA designs and manufactures radio frequency based antenna sub-systems and integrated antenna systems for military and commercial customers. The Company partners with defense contractors and commercial companies who place these antenna systems on vehicles, ships, and aircraft, or use them in various other applications like commercial weather radars and communications.

Arc Drilling, LLC

Headquartered in Cleveland, Ohio Arc Drilling is a leading provider of electrical discharge machining services to the industrial gas turbine and aerospace markets, handling over 200,000 parts annually.

B+T Group Acquisition, Inc.

B+T Group is a leading national provider of engineering and field services to the wireless telecom industry. Serving wireless tower owners and wireless carriers, B+T provides its clients with best-in-class service and turnkey solutions contributing to efficient and successful operations.

Belnick, Inc.

Belnick is a distributor of branded furniture and sells to major e-commerce retailers and directly to consumers through its own furniture websites (e.g. www.bizchair.com).

Café Zupas

Café Zupas is a healthy fast casual restaurant brand that serves house-made soups, salads and sandwiches from over 200 fresh ingredients. Store locations can be found in Utah, Arizona, Nevada, Idaho, Illinois, Minnesota, Wisconsin, and Ohio.

Charter Management Company operates charter schools that partner with district schools to better serve at-risk high school students.

Defiance Integrated Technologies, Inc.

Defiance is a manufacturer specializing in heavy gauge metal stampings and valued added processes.  Its core product is an axle nut and washer system for the heavy (Class 8) truck industry.

The Company is a franchiser of commercially focused disaster remediation and restoration services across the United States.

Edge Adhesives Holdings, LLC

Edge Adhesivesis a leading developer and manufacturer of innovative adhesives, sealants, tapes and related solutions used in building products, transportation, electrical and HVAC, among other markets.  Edge satisfies customer requirements under brands such as Edge, PARR, PTI, Rubex, and PLIOSEAL, as well as through its private label relationships with leading brands.

Eegee's LLC

Eegee’s is a growing chain of quick service sandwich restaurants with locations throughout Arizona.

Encore Dredging Partners, LLC

Encore Dredging Partners is a premier mid-sized cutter suction and mechanical dredging services provider focusing on navigable waterways throughout the United States.

This regional food proceesor provides co-packing services to a wide variety of branded and private label liquid and related food products, includuing salsas, BBQ sauces, syrups, and juices.

Francis Drilling Fluids, Ltd.

Francis Drilling Fluids provides an integrated network of warehousing, transportation and energy field services to offer customers a one-stop alternative for drilling fluids, storage and transportation of hydraulic fracturing materials, equipment rental and cleaning services.

Texas-based GFRC Cladding Systems LLC designs, engineers, fabricates, and delivers glass fiber reinforced concrete (GFRC) panels for commercial construction.  The majority of the company’s work is focused on the production of wall, spandrel and column cover cladding panels.


GrayMatter is a leading provider of operational technologies and Industrial IoT consulting services to the manufacturing, water and energy industries in North America. 

Imperative Chemical Partners

Imperative provides producing oil wells and midstream pipelines with specialty chemicals and capillary services, operating from more than 30 locations throughout the Permian Basin.

Iten Defense, LLC

Iten Defense is a leading provider of advanced composites and armor solutions used in personal protective equipment, aircraft, tactical vehicles, and maritime vessels.

Karman Missile & Space Systems

Karman is a premier manufacturer of flight-critical and high temperature assemblies and components for space and defense end-markets with significant content on the industry’s most coveted platforms.

Lignetics, Inc.

Lignetics is a manufacturer of densified wood products for use as an alternative energy source. The Company manufactures wood pellet fuel, animal bedding and BBQ pellets, fire logs, and firestarter.

LWO Acquisition Company, LLC

Circuitronics is a manufacturer of low-volume, high-mix printed circuit boards (“PCBs”) and provider of related electronic manufacturing services (”EMS”). The Company’s capabilities include prototype development, design for manufacturing/design for testing services, PCB assembly, and end-of-life supply chain services. LWO focuses on serving niche markets, which require rapid product development and high quality, low volume production, including control, test and measurement products for industrial, utilities, water, oil & gas, and commercial audio/visual applications.

MCG Energy Solutions, LLC

MCG Energy Solutions  is a provider of SaaS-based energy trading, asset and risk management workflow automation software products to the energy sector.

NetFortris Corp.

NetFortris delivers cloud communications solutions that enable people to work, collaborate, and deliver customer service where and when business calls.

Phoenix Aromas and Essential Oils, LLC
Phoenix supplies high quality raw materials and manufactures custom fragrances and flavors for numerous market applications including food, beverage and other consumer products.
Prophet Brand Strategy
Prophet is a consultancy that helps clients find uncommon growth through marketing, brand, experience, innovation and organization & culture capabilities.
R2i Holdings, LLC

R2i is a leading national marketing agency that combines data and technology with creative design to build digital solutions. R2i’s integrated approach connects and accelerates customer experiences to deliver measurable results for industry leading brands.

Sea Link International IRB, Inc.

Sea Link is a Tier 2 manufacturer and supplier of automotive lighting components and Intermediate Bulk Container “IBC” valves. 

Unirac, Inc.

Unirac is a manufacturer of solar panel mounting systems for residential and commercial markets.