Jack Perko

Hirschfeld Industries, Inc. provides fabricated engineering services. The firm's products include plate girders, box girders, trusses, engineered beams, mill-rolled shapes and other formations of highly-engineered structural steel. Its services include the cutting and welding of steel plates, and the application of multiple protective coating systems. The company was founded by L. W. Hirschfeld in 1919 and is headquartered in San Angelo, TX.

Bain & Co., Inc. provides management consulting services. It offers advisory services to the companies on their critical issues and opportunities: strategy, marketing, organization, operations, technology and mergers and acquisitions, across all industries and geographies. The company was founded in 1973 and is headquartered in Boston, MA.

Littlejohn & Co. LLC (Littlejohn) is a private equity firm founded in 1996 by Angus C. Littlejohn, Jr and Michael Klein. The firm is headquartered in Greenwich, Connecticut.

Summer Street Capital Partners LLC (Summer Street Capital Partners) is a private equity firm founded in 1999 by Michael McQueeney, Gary Hull, Jennifer Chalmers Balbach and Brian D'Amico. The firm is headquartered in Buffalo, New York.

Public Safety Supply Resources LLC operates as management consulting services. The company was founded on December 21, 2012 and is headquartered in Charlotte, NC.

Innovative Concepts in Entertainment, Inc. develops, manufactures, and distributes coin operated amusement, sports, arcade, and redemption games. It provides games for parks, family entertainment centers, arcades, bars, pubs, and restaurants. The company was founded by Ralph Coppola and Jack Willert in 1982 and is headquartered in Clarence, NY.

Reichert, Inc. manufactures analytical instruments. It designs and manufactures diagnostic instruments and equipment for ophthalmologists, optometrists, and retail eye care centers. The firm's products are used for a wide range of applications, from common vision testing to diagnosing sight-threatening diseases such as glaucoma and macular degeneration. The company was founded in December 2002 and is headquartered in Depew, NY.

Part of CSC ServiceWorks, Inc., AIR-serv Group LLC is a private company that provides tire inflation and vacuum technology to convenience stores, gas stations, and car washes. The company is based in Mendota Heights, MN. The company offers a turn-key revenue generating system that includes equipment installation and maintenance, operational reports, and timely revenue distribution. AIR-serv's premium line of XactAir machines offers the industry's most advanced technology available today, measuring and auto-calibrating tire air pressure for ease and accuracy.

Oak Ridge Waste & Recycling of CT LLC provides waste management services. It offers residential, commercial, roll-off, recycling, transfer station, equipment specifications services. The firm serves Florida, Vermont, Long Island and Connecticut market areas for their solid waste collection, recycling and transfer station needs. The company is headquartered in Danbury, CT.

ACE Asphalt of Arizona, Inc. operates as a road and parking lot construction company. Its services include paving, earthwork, site design and survey, demolition, sealing, asphalt repair, crack filling, striping and markings and running track construction. The firm undertakes commercial, industrial, and public works projects. The company was founded by John Drexler in 1966 and is headquartered in Phoenix, AZ.

Prophet Equity LLC (Prophet Equity) is a private equity firm founded in 2007 by George Stelling and Ross Gatlin. The firm is headquartered in Southlake, Texas.

Dwellworks LLC provides relocation support services. It offers services include destination, rental, mortgage services, intercultural solutions, corporate housing and property advisory services. The company was founded in 2007 and is headquartered in Cleveland, OH.

Belmont Meat Products Ltd. provides meat processing services. It is a meat processing company that sells its products to food-service companies, retailers, and further food processors. The company was founded in 1966 and is headquartered in Ontario, Canada.

Sportexe Holdings LLC develops, supplies and installs synthetic turf systems for athletic field, aviation and landscape applications. The company is headquartered in Southlake, TX.

The Hiller Cos., Inc. engages in the provision of fire protection services. It also provides designing and installing services. The firm serves the commercial, industrial, marine and offshore, government, and military industries. The company was founded in 1919 and is headquartered in Mobile, AL.

Action Carting Environmental Services, Inc. provides waste management and environmental services. Its services include waste disposal, solid waste collection, recycling and composting, material recovery, and construction and demolition waste collection and disposal services. The company was founded by John Glauda in 1999 and is headquartered in Newark, NJ.

Pritchard Industries, Inc. provides precision building and facility maintenance services. The firm offers janitorial and cleaning, carpet cleaning, window cleaning, floor care, recycling services, power washing, restroom disinfection and quality control services. The company was founded in 1914 and is headquartered in New York, NY.

Halco Lighting Technologies LLC manufactures lighting solutions. Its products include ballasts, lamps, accessories, and lighting and landspace luminaires. Its brands include Sollos, ProLED, ProLume, HaloXen, Prism, ProFormance, Eco-Shield, CoverShield and SureColor landspace lighting. The company was founded in 1974 and is headquartered in Norcross, GA.

Valcourt Building Services LLC specializes in servicing the complete building envelope, including waterproofing, window cleaning, and restoration. The company is based in Vienna, VA, and has subsidiaries in the United States. The company provides maintenance and repair for various building types and industries, including hospitality and healthcare. Valcourt's rooftop anchor service provides a vital part of the building's fall protection system to meet safety guidelines. Proxpress is their solution to fast building repairs such as leak investigation, water testing, broken windows, and more. The company was founded in 1986 by Jeffery T. Valcourt, and the CEO is Eric Crabb.

WM Coffman Resources LLC manufactures wood and iron stair parts. It offers posts, box newels, panels, knee walls, belly series, scroll series, and iron baluster options. The firm operates as a one-stop shop for residential, interior, and open stairway construction. The company was founded in 1874 and is headquartered in Plano, TX.

Graphic Controls Acquisition Corp. supplies consumable products for industrial, medical and gaming markets. The firm operates through its locations in Asia, Europe, North America, and South America. The company was founded on October 18, 2010 and is headquartered in Buffalo, NY.

EnTitle Direct Group, Inc. operates as a title insurance and settlement services company which offers insurance products. It also provides title reinsurance services. The company was founded in 1978 and is headquartered in Norwalk, CT.

Apple Valley Waste Services, Inc. provides waste refuse and recycling services. It offers residential and commercial trash removal and recycling services. The company was founded by Randie G. Lawson and James P. Phillips in 2006 and is headquartered in Kearneysville, WV.

CID Resources, Inc. manufactures and distributes medical scrubs. It offers medical uniforms, nursing scrubs, pants, lab coats, flare leg fashion pants, round neck t-shirts, bungee waist cargos, and mock wraps. The company was founded in 2010 and is headquartered in Coppell, TX.

Curtis Bay Energy LP provides medical waste removal and disposal services. It offers chemotherapy, disposable sharps and pharmaceutical waste container products. The company also provides pathological and chemotherapeutic waste and pharmaceutical waste services. The company was founded in 1991 and is headquartered in Baltimore, MD.

Midwest Technical Institute, Inc. provides professional educational services. It offers student services, including externships, student portal, accounts and complaint procedures, drug and alcohol abuse prevention, and transcript request. The firm offers courses in career fields including welding, HVACR, allied health and cosmetology. The company was founded by Brian K. Huff and Mike Casper in 1995 and is headquartered in Springfield, IL.

The Action Environmental Group, Inc. provides non hazardous waste management and recycling services. It offers services to residential, industrial and commercial customers. The company was founded in 1999 and is headquartered in Newark, NJ.

Silo Mills Investment I LLC provides investment services. The company is based in Southlake, TX.

Part of Frontier Waste Solutions LLC, Frontier Waste Solutions is a solid waste and recycling collection company based in Dallas, TX. Frontier Waste Solutions provides municipal waste services for hundreds of cities across the US and offers high-quality, cost-effective municipal contracts. The private company offers weekly collection, bulk pickups, dumpster rentals, and municipal contracts. The company was founded in 2017 by John Gustafson, who has been the CEO since 2017.