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Spectro Scientific, an ISO 9001:2015 company, develops a broad array of fluid analysis instruments for evaluating machine and lubricant condition in the field, in the lab and in highly mobile, handheld applications.
ProPetro Holding Corp. is a Midland, Texas-based provider of premium completion services to leading upstream oil and gas companies engaged in the exploration and production of North American unconventional oil and natural gas resources. We help bring reliable energy to the world.
OPAL Fuels LLC, a FORTISTAR portfolio company, brings together FORTISTAR Methane Group, FORTISTAR RNG, and TruStar Energy to create a vertically integrated renewable fuels platform. It is an emerging leader in the production and distribution of renewable natural gas (RNG), a proven low carbon fuel with a decades-long track record of results that has the power to rapidly decarbonize the transportation industry. OPAL Fuels captures harmful methane emissions at the source and recycles the trapped energy into a commercially viable, low-cost alternative to diesel fuel. As a vertically integrated producer and distributor of RNG for heavy-duty truck fleets for over 20 years, OPAL Fuels delivers best-in-class, complete renewable solutions to customers and production partners.
Diversified Drilling LLC is a Missoula, MT-based company in the Energy and Utilities sector.
Rig-Up Services is a Channelview, TX-based company in the Energy and Utilities sector.