Lincoln Manufacturing, Inc. (“Lincoln”)

Lincoln is the leading and largest manufacturer of couplings used in connection with oil country tubular goods (“OCTG”) and also manufactures a wide array of complementary downhole components used in the construction of wellbores. Lincoln was founded in 1986 and has ~300,000 square feet under roof across its manufacturing facilities in Magnolia, Tomball and Houston, Texas as well as Strasburg, Ohio.

Frontier Tubular Solutions, LLC (“Frontier”)

For more than 80 years, Frontier has provided OCTG services, storage and transportation to North America’s energy sector. Frontier primarily serves steel mills, OCTG distributors and exploration companies. Frontier’s facilities provide customers a one source solution to store, service and transport OCTG. Frontier services include inspection, threading, maintenance, coatings (internal and external), external wrappings, reclamation and transportation.

SCF Partners (“SCF”)

Founded in 1989, SCF provides equity capital and strategic growth assistance to build and grow leading energy service, equipment, and technology companies that operate throughout the world. SCF has invested in more than 70 platform companies and made more than 400 additional acquisitions to develop 18 publicly listed energy service and equipment companies over its history. SCF is headquartered in Houston, Texas, with offices in Singapore, Aberdeen, Calgary and Australia.

PPHB, LP (“PPHB”)

PPHB is an independent investment banking firm providing financial advisory services to middle market companies that offer products and services to the following end markets: