Mark Harrington

ArchKey Solutions LLC operates as a holding company with the interest in electric construction services. It offers electrical, technologies, lean ready, design and modeling, prefabrication, instrumentation and controls, UL certified panel shop, commissioning, and preventative maintenance. The company is headquartered in St. Louis, MO.

DPR Construction, Inc. provides general contracting and construction management services. Its services include virtual building, sustainable construction, and preconstruction. The firm builds advanced technology, biopharmaceutical, corporate office, healthcare facilities, and buildings that have special emphasis on energy and environmental efficiency. The company was founded by Douglas E. Woods, Peter Cole Nosler, and Ronald Joseph Davidowski in July 1990 and is headquartered in Redwood City, CA.

Remedial Construction Services, L.P offers environmental and geotechnical remedial services. Its services include environmental remediation, geotechnical construction, and civil construction contractor. The firm specializes in the construction of underground barriers such as slurry cutoff walls, slurry diaphragm walls, soil mixing and deep soil mixing, secant walls and jet grouting. The company was founded by Steven R. Birdwell in 1989 and is headquartered in Houston, TX.

Sachs Electric Co. provides electrical contracting services. It offers electrical construction, design and build, voice, data, video and security, automation, and civil engineering services. The company was founded by Samuel C. Sachs in 1925 and is headquartered in St. Louis, MO.

Part of Kirlin Holdings LLC, Kirlin Group LLC is an American company that provides construction management, fire protection, and mechanical engineering services. The company is based in Rockville.

The Ranken-Jordan Home For Convalescent Crippled Children is a non-profit organization which provides rehabilitation and sub-acute medical treatment for children. It offers inpatient and outpatient care. The organization was founded by Mary Ranken Jordan on April 9, 1941 and is headquartered in Maryland Heights, MO.

Black & Veatch Corp. provides engineering, consulting, and construction services. It offers asset management, operations, physical and cybersecurity, procurement, program and construction management, data analytics, and sustainability solutions. The company was founded by Ernest Bateman Black and Nathan Thomas Veatch in 1915 and is headquartered in Overland Park, KS.

WND Ventures, LLC (WND Ventures) is a venture capital subsidiary of DPR Construction, Inc. founded in 2016. The firm is headquartered in Redwood City, California.

Oaktree Capital Management (Private Equity) (Oaktree Capital Management) is a private equity subsidiary of OCM Principal Investment Group founded in 1995 by Howard Marks and Bruce Karsh. The firm is headquartered in Los Angeles, California.

PLH Group, Inc. operates as a power line and pipeline construction firm. It offers directional drilling, station and facility construction, underground utility, and distribution and substation construction services. The company was founded in 2009 and is headquartered in Irving, TX.

Black & Veatch Holding Co. engages in the provision of engineering, consulting, and construction services. It offers asset management, environmental, master planning, performance management, program and risk management, operations and maintenance, and procurement. The company was founded by Ernest Bateman Black and Nathan Thomas Veatch in 1915 and is headquartered in Overland Park, KS.

Duquesne Light Holdings, Inc. engages in the generation, transmission, distribution, and sale of electric energy through its subsidiaries. The company was founded in 1989 and is headquartered in Pittsburgh, PA.

Elliott Co. designs, manufactures, and services turbomachinery. Its products include compressors, steam turbines, steam turbine generator sets, power recovery expanders, control systems, parts, lubrication, seal, and piping systems, and DYRHH steam turbines. Its services include engineered solutions, system packaging, specialty coatings, technical training, and repair services. The company was founded in 1981 and is headquartered in Jeannette, PA.

Carrier Corp. manufactures air conditioning, heating, and refrigeration equipment. Its products include residential systems, commercial systems, transport refrigeration, and commercial refrigeration. The company was founded by Willis Haviland Carrier on July 17, 1902 and is headquartered in Jupiter, FL.

Astor Place Holdings (Astor Place Holdings) is a private equity subsidiary of Select Equity Group LP founded in 2015. The firm is headquartered in New York.

Hastings + Chivetta Architects provides architectural and engineering services. It also offers interior design, visualization, sustainable design and space utilization services. The company is headquartered in St. Louis, MO.

Sachs Holdings, Inc. operates as a holding company. The company is headquartered in Fenton, MO.

Part of PK Port Stephens Pty Ltd., Bulkley, Richardson & Gelinas, LLP is a law firm that has been providing high-quality legal services to clients for almost a century. The company is based in Springfield, MA. The firm's standard of excellence is built upon a longstanding reputation. The company was founded in 2002. Bulkley, Richardson & Gelinas was acquired by PK Port Stephens Pty Ltd. on April 01, 2023.

The Williston Northampton School operates as a co-educational boarding school. It provides educational services. The company was founded n 1841 and is headquartered in Easthampton, MA.

CareCentric provides information technology, business operation and outsourcing solutions and services to over 1,200 customers. CareCentric’s customers include freestanding, hospital-based and multi-office home health care providers, including skilled nursing, private duty, home medical equipment and supplies, home care pharmacy and hospice. Complete information solutions enable these home care lines of business to utilize and generate comprehensive, integrated financial, operational and clinical data. CareCentric is headquartered in Atlanta, Georgia, with offices nationwide

CareCentric Solutions, Inc. provides information systems services. The company offers services including business-operations and information technology outsourcing solutions. It offers services to the entire home-care continuum home health, private duty, medical equipment and supplies, home pharmacy, long-term care, assisted living, and hospice. It was founded in 1996 and is headquartered in Atlanta, GA. .

Schwerin Boyle Capital Management, Inc. (SBCM) is an independent, SEC-registered investment advisor and wealth management firm headquartered in Springfield, Massachusetts. Founded in 1989, SBCM provides advisory services to privately-offered pooled investment vehicle and separately managed accounts.

Argotec LLC produces thermoplastic polyurethane films and sheets. Its applications include glass lamination films, medical films, textile lamination films, graphic films and waterproof brathable films. The firm also manufactures flat die, cast-on-carrier extrusion, blown-film extraction and download literature. The company was founded by Richard A. Barnes and Steven I. Wolkenbreit in 1988 and is headquartered in Greenfield, MA.

Channing Bete Co., Inc. publishes educational and promotional products such as booklets, handbooks, and workbooks. It offers promotion, publishing and distribution services to corporate partners. The company was founded by Channing L. Bete, Sr. in 1936 and is headquartered in South Deerfield, MA.

Pinsly Railroad Co. engages in the provision of rail service to small and large shippers and receivers. It also offers railroad distribution, warehousing, transloading, and logistics services. The company was founded by Samuel M. Pinsly in 1938 and is headquartered in Westfield, MA.

BETE Fog Nozzle, Inc. designs and manufactures spray nozzles. The private company is based in Greenfield, MA.

Hillside Plastics, Inc. manufactures plastic containers. It offers a list of standard containers in popular shapes and sizes. The firm also provides custom design containers for customers' specific needs. The company was founded in 1967 and is headquartered in Turners Falls, MA.

McCarthy Holdings, Inc. provides construction services through its subsidiaries. It offers services to the healthcare, education, higher education, commercial, institutional, science and technology, hospitality, entertainment, transportation, and industrial sectors. The firm also provides preconstruction services which include budget development and estimating, value analysis, green construction, constructability review, and building information modeling. The company was founded by Timothy McCarthy in 1864 and is headquartered in St. Louis, MO.

St. Louis Regional Chamber & Growth Association operates as a non-profit organization, which engages in economic development business and public policy. The company was founded in 1836 and is headquartered in St. Louis, MO.

The International Society for Pharmaceutical Engineering is a nonprofit association that focuses on scientific, technical, and regulatory advancement throughout the entire pharmaceutical lifecycle. The non-profit company is based in Tampa, FL. The company engages with all levels of regulators to ensure that their education, training, document development, and interpretation are cutting-edge and focused on enabling the production and supply of therapies and devices with unmatched levels of flow, efficiency, and quality sustainably and at scale. John Bournas has been the CEO of the company since 2015.

PMI, Inc. is a woman-owned business that manufactures computer peripheral equipment. It also offers communication and related equipment. The company was founded in 1963 and is headquartered in Plano, TX

The Communications Management Association provides professional business services such as networking events, exhibitions, and business support for information, technology, and communication services. The non-profit company is based in Swindon, UK.

The Design/Build Institute of America is an organization that focuses on collaboration and innovation to deliver successful projects. The non-profit company is based in Washington. The American company provides a platform for showcasing design-build projects and offer a project database where members can add project details and photos.

Young Presidents' Organization, Inc. is a global leadership community of over 30,000 chief executives from 142 countries. The non-profit company is based in Irving, TX and has a global presence of subsidiaries in several regions. The company's mission is to help its members become better leaders and better people. The company was founded in 1950 by Ray Hickok, Khalid Mohamed Jassem Kanoo. Thayer Smith has been the CEO of the company since 2007.