David T. Flanagan

Steeplejack Industrial Group, Inc. provides scaffolding contracting services. It offers project management, manpower, and equipment supply services for industrial scaffolding, insulation and asbestos abatement to the maintenance and construction sectors. Steeplejack Industrial Group serves pulp and paper, oil and gas, power generating, chemical and mining industries as well as new construction and expansion projects. The company was founded in 1987 and is headquartered in Edmonton, AB.

Welsh, Carson, Anderson & Stowe (WCAS) is a private equity firm founded in 1979 by Patrick Welsh, Russ Carson and Bruce Anderson. The firm is headquartered in New York.

Goldberg Lindsay & Co. LLC (Goldberg Lindsay & Co) is a private equity arm of LG GP Holding III LLC founded in 2001 by Alan E. Goldberg and Robert D. Lindsay. The firm is headquartered in New York.

CEI Ventures, Inc (CEI Ventures) is a venture capital subsidiary of Coastal Enterprises, Inc founded in 1994 by Nat V. Henshaw. The firm is headquartered in Brunswick, Maine.

Maine Venture Fund is a venture capital firm founded in 1995. The firm is headquartered in Newport, Maine.

Polar Equity Partners (PEP) is a venture capital firm located in Toronto, Ontario. The firm was founded by Reid Drury in 1991. The firm is headquartered in Canada.

Brock Canada, Inc. provides scaffolding, insulation, fireproofing and environmental services. It provides services for capital expansions, maintenance activities, turnarounds, short-term projects and emergency work. The firm serves Canadian oil & gas, petrochemical, marine, pulp & paper and utility companies. The company and is headquartered in Edmonton, Canada.

Tilson Technology Management, Inc. provides information technology professional services. The firm specializes in wireless site acquisition, construction, and maintenance for cellular, smart grid, and government, fiber optic engineering, permitting, and construction management; information systems for the construction industry; software development and systems integration; and consulting in information technology strategy, project management, information security, broadband development, and energy capital project development. The company was founded by Mike Dow in 1996 and is headquartered in Portland, ME.

Western Manufacturing Ltd. manufactures steel tank and oilfield equipment. It specializes in custom steel fabrication, frac tanks, pressure vessels, piping, and process equipment. The company was founded by Lonny Thiessen and is headquartered in Hythe, Canada.