Portfolio

Advantage Millwork Company is a premier designer and manufacturer of high quality wood, decorative metal and wrought iron entry doors.

American Sensor Technologies, Inc. designs, develops, manufactures and markets state-of-the-art, high performance commercial and industrial sensors.

Audio Messaging Solutions provides outsourced solutions for its customers' telephone on-hold messaging requirements through a subscription-based revenue model.

Cafe Brazil, LLC owns and operates nine full service restaurant/coffee houses in the Dallas/Fort Worth Metroplex. Cafe Brazil also operates a wholesale bakery production facility which provides fresh baked goods to each of its restaurants.

California Healthcare Medical Billing, Inc. provides outsourced billing, revenue cycle management, business services, IT and Electronic Health Record (EHR) technology to physician practices and clinics.

CBT Nuggets, LLC produces and sells original content IT certification training videos. CBT Nuggets, LLC's training videos provide comprehensive training for certification exams from Microsoft, CompTIA, Cisco, Citrix and many other professional certification vendors.

Ceres Management, LLC, d/b/a Lamb's Tire and Automotive Centers, is a leading operator of Goodyear tire retail and automotive repair centers in and around Austin, Texas, with fifteen operating locations.

Compact Power Equipment Centers, LLC is a light to medium duty equipment rental operation that owns and operates outdoor equipment rental locations.

Condit Exhibits, LLC is a Denver, Colorado based designer, manufacturer and manager of trade show exhibits and permanent displays.

Currie Technologies is a designer and distributor of hybrid electric bicycles and other light electric vehicles for personal mobility.

Drilling Info Inc. is the premier web-based information service for the domestic upstream oil and gas industry, providing an integrated land, production, and well information analysis platform.

Gulf Manufacturing, LLC manufactures, modifies, and distributes specialty flanges, fittings, rings, plates, spacers, and other fabricated metal products utilized primarily in piping applications.

Harrison Hydra-Gen, Ltd. is a Houston, Texas based manufacturer of mobile hydraulic-driven generators for the fire apparatus, oilfield service and aerial work platform markets.

Hawthorne Customs & Dispatch Services, LLC provides "one stop" logistics services to its customers in order to facilitate the import and export of various products to and from the United States.

Hayden Acquisition, LLC is a leading manufacturer and supplier of precast concrete underground utility structures to the construction industry.

Houston Plating & Coatings, LLC is a provider of nickel plating and industrial coating services primarily serving the oil field services industry.

Hydratec Holdings, LLC (“Hydratec" or the "Company") is engaged in the design, sale and installation of agricultural micro-irrigation products/systems to farmers in the San Joaquin valley in central California.

Indianapolis Aviation Partners, LLC operates a Fixed Base Operation ("FBO") located at the Indianapolis International Airport under the "Million Air" brand name.

Jensen Jewelers of Idaho, LLC is the largest privately owned jewelry chain in the Rocky Mountains with 15 stores in 5 states, including Idaho, Montana, Nevada, South Dakota and Wyoming.

KBK Industries, LLC is a manufacturer of standard and customized fiberglass tanks and related products primarily for use in oil and gas production, chemical production and agriculture applications.

Lighting Unlimited, LLC ("Lighting"), originally founded in 1982, is a leading provider of commercial and residential lighting products and design services in the Houston, Texas market.

Merrick Inc., founded in 1989, is a market leader in providing information technologies to mid-stream and upstream energy companies.

Mid-Columbia Lumber Products, LLC ("Mid-Columbia") is a manufacturer of finger jointed dimensional framing lumber.

The MPI Group/Metal Products, Inc. is an independent, regional manufacturer of custom hollow metal doors, frames and accessories for the architectural hardware industry.

NAPCO Precast, LLC designs, manufactures, transports and erects precast and pre-stressed concrete products primarily for the non-residential/commercial construction industry.

National Cardiovascular Partners ("NCP") was founded to facilitate the formation of outpatient cardiac cath labs, hospital based cardiovascular programs through physician partnerships.

National Trench Safety, LLC engages in the rental and sale of underground equipment and trench safety products, including trench shielding, trench shoring, road plates, pipe lasers, pipe plugs and confined space equipment.

Olympus Building Services, Inc. provides custodial and facilities support services to numerous large governmental and commercial facilities throughout the United States.

OMi Holdings, Inc. (OMi) designs, manufactures, and installs overhead material handling equipment including bridge cranes, runway systems, monorails, jib cranes and hoists.

PPL RVs, Inc. is a Houston, Texas based consigner of pre-owned recreational vehicles and online parts retailer.

Schneider Sales Management, LLC is a leading publisher of proprietary sales training materials and provider of sales-management consulting services for financial institutions.

Support Systems Homes, Inc. operates drug and alcohol rehabilitation centers offering a wide range of substance abuse treatment programs for recovery from addictions.

Technical Innovations, LLC designs and manufactures manual, semiautomatic, pneumatic and computer numerically controlled machines and tools used primarily by medical device manufacturers to place access holes in catheters.

Thermal & Mechanical Equipment, LLC is a designer, distributor and representative for manufacturers which specializes in heat transfer.

Uvalco Supply, LLC is a leading provider of farm and ranch supplies to ranch owners and farmers, as well as a leading provider of design, fabrication and erection services for metal buildings throughout South Texas. Uvalco Supply is located in Uvalde, TX.

Vision Interests, Inc. is a full service sign company that designs, manufactures, installs and services interior and exterior signage for a wide range of customers.

Walden Smokey Point, Inc. ("WSP") is an established leader in a niche sector of the trucking and logistics industry.

WorldCall, Inc. is a holding company which owns both regulated and unregulated communications and information service providers.

Ziegler's New York Pizza Department is a New York-themed Pizzeria and Italian restaurant with locations across the Phoenix metro area.


Realized Investments

All Hose & Specialty, LLC ("All Hose") is a leading distributor of industrial hose, high pressure hose, hydraulic hose and other specialty items such as adapters, fittings and couplers primarily to the industrial and oilfield service industries

Carlton Global Resources, LLC is a leading producer and processor of various industrial minerals for use in the manufacturing, construction and building materials industry.

East Teak Fine Hardwoods, Inc. is a leading provider of teak lumber, exotic hardwoods and hardwood products.

EMS Pipeline Services, LLC ("EMS") started its operations in 2003 in Houston, Texas.

Enserv, LLC was formed in 2003 to become a leading national provider of environmentally responsible medical waste collection, transportation, treatment and subsequent disposal services for customers in the healthcare and related industries.

Everyones Internet, Ltd. ("EV1") is a Houston, Texas based company that began its operations in 1998 as an internet service provider ("ISP") in the Houston market.

iDriveonline, Inc. ("iDrive") developed and provided customer loyalty and retention programs for the automotive industry.

Lauren Engineers & Constructors, Inc. ("Lauren") is a leading "design and build" engineering and construction firm.

Magna Card, Inc. ("Magna Card") started its operations in 1992, in Owing Mills, Maryland, a suburb of Baltimore.

Quest Design & Production, LLC is engaged in the design, fabrication and installation of graphic presentation materials and associated custom display fixtures used in sales and information center environments.

TA Acquisition Group, LP mines, processes and sells sand and gravel products that are utilized in various construction activities in the Austin, Texas area.

Texas Taxi, Inc. ("Texas Taxi") was founded in 2003 to acquire Greater Houston Transportation Company, Greater Austin Transportation Company and Greater San Antonio Transportation Company and several sister companies in the Houston, Austin and San Antonio markets.

Transportation General, Inc. is a provider of transportation and taxi cab services in the greater New Haven, Connecticut market.

Turbine Air Systems, Ltd. is an industry-leading manufacturer of proprietary, packaged, commercial and industrial chilling systems, serving both domestic and international customers.

Universal Scaffolding & Equipment is in the business of manufacturing, sourcing and selling scaffolding, forming and shoring products, and related custom fabricated products for the commercial and industrial construction industry.


Historical Investments

Avail Consulting, LLC is a leading provider of business and equipment valuation services, real estate appraisal services, and related financial advisory and consulting services.

Quanta Services, Inc. currently performs projects nationwide and has principal offices in over 25 states.

U.S. Concrete, Inc. began operations through the acquisition of six founding companies with operations in the San Francisco Bay Area, the Sacramento metropolitan area, Washington D.C. and Northern New Jersey.

ADDRESS:

Main Street Capital Corporation
1300 Post Oak Blvd.
Suite 800
Houston, TX 77056

PH. 713 - 350 - 6000
FX. 713 - 350 - 6042

email

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