Falcon Drilling Ltd.
"an International Diamond Drilling Company. We can provide specially manufactured drills for a variety different purposes."

Falcon Field Service, Inc.
"Officers and personnel have over 25 years of experience in pipeline construction and environmental remediation"

Falcon GDP Inc.
"Geological Drilling Products for Exploration Construction and Abandonments"

Fann Instrument Company

Farmer Energy Service
"an Illinois Basin company involved in exploration and development of coalbed methane and New Albany Shale reserves"

Fekete Associates, Inc.
"a Canadian petroleum engineering consulting firm servicing the oil and gas industry, both domestically and internationally, for over 20 years."

Fenstermaker & Associates
"Surveying services, Engineering capabilities, comprehensive Environmental services"

Ferguson Beauregard
"has been in the forefront of the industry search for innovative solutions to production problems. From self-contained plunger-lift systems and electronic controllers to fully integrated, remotely managed production systems, our goal is to deliver immediate results for you. "

Fidelity Oil Group
"engaged in oil and natural gas acquisition, exploration and production activities throughout the United States, the Gulf of Mexico and in Canada."

Five States Energy Company
"a Dallas-based private oil and gas investment company specializing in high quality proved producing oil and gas properties. Five States strives to excel in the efficient administration of oil and gas assets."

Flexifloat Modular Barges - Robishaw Engineering Inc.

Flexitank, Inc.

Flint Energy Services, Ltd.
"an integrated midstream production services provider headquartered in Calgary, Alberta, Canada. From the wellhead to the plant gate, Flint provides a full range of integrated midstream production services to North America's energy and resource industries."

Flow Science Incorporated
"consulting engineers for fluid problems"

Flow Simulations, Inc.
"a ... fluid flow consulting firm. The company provides simulation services for industry using computational fluid dynamics (CFD)"

Flowline Alaska
"founded in 1981 to service the expanding needs of the oil companies developing and operating the oil fields in Alaska. "

Flying J Inc.
"is a fully integrated petroleum company engaged in the exploration, production, refining, transportation, wholesaling and retail marketing of petroleum products. "

FM Equipment Company
"we carry all the popular marine centrifuger for the marine and oilfield industries ...In addition to sell these machines, we are equipped to offer start-up assistance, after sales service and we stock most commonly used spares associated with the marine and oilfield separators."

FMC Technologies Inc.
"a global leader in providing solutions for customers engaged in petroleum exploration, production, measurement and transportation. Those solutions include the design, manufacture and supply of technologically sophisticated systems and products to the oil and gas industry."

Forrest A. Garb & Associates, Inc. (FGA)
"a geological and petroleum engineering consulting firm comprised of a staff with centuries of world-wide experience. "

Forest Oil Corporation
"engaged in the acquisition, exploration, development, production and marketing of natural gas and liquids throughout North America and selected international locations."

Foster Wheeler Corporation
"a global company offering a broad range of design, engineering, construction, project development and management, research, plant operations and environmental services....designs, engineers and constructs oil- and gas-field development projects, petroleum refineries, chemical, petrochemical, pharmaceutical and industrial plants worldwide."

Framatome ANP DE&S
following the acquisition of Duke Engineering & Services, "The Energy and Environmental Group continues to serve the hydro, gas transmission and fossil energy markets."

Frontier Oil Corporation

Fugro Airborne Surveys
"the most versatile and technologically advanced airborne survey company in the world. Through a network of offices spanning the globe, Fugro Airborne Surveys provides comprehensive geophysical mapping technologies for a wide variety of applications."

Fugro Chance Inc.
"a member of the Fugro Group of companies, offers a wide range of marine survey services and engineering solutions utilizing the latest technology. These services encompass marine operations, construction survey, navigation, international and SHOALS divisions."

Fugro-LCT
"providing services in gathering and interpreting many types of geophysical data, used for the qualitative and quantitative estimation of oil, gas and mineral sources and the optimisation of their exploitation"

Fugro N.V.
"a multi-national group of consulting engineers which supplies advice, technical applications and surveying operations. The group acquires and interprets data for its clients and supplies positioning services."

Fusion Geophysical
"offers a full range of data analysis and modeling dealing with data from every stage of exporation, development and production"

FX Energy Inc.
"focuses on high potential oil and gas exploration with low financial exposure"