ActiSystems, Inc.
http://www.ActiSystems.com/

"ActiSystems, Inc. is a specialty drilling fluids company. The company has developed a unique drilling fluid product system and related services that takes advantage of the new technical developments based on horizontal drilling, drill-in fluids, minimum formation damage, under balanced drilling, coil-tubing operations and extended reach wells."

Albemarle Corporation
http://www.albemarle.com/oilfieldfrm.htm

"The world's oilfields have relied on Albemarle products for more than three decades. Albemarle acquired an additional facility in Teesport, England, in 1998. This page contains a summary of Albemarle oilfield products and applications. For more detailed descriptions and product data sheets, click here or click the following heading."

AllChem Industries
http://www.allchem.com

"AllChem Industries Petroleum Chemicals Group is a leading marketer of specialty chemicals, fuel additives, and process chemicals to the energy related industries. We have an every-expanding line of products which service the requirements of the Refinery, Petrochemical, Oil Field Services, and Natural Gas Pipeline Industries. AllChem Industries is able to respond to whatever our client's requirements are through our many suppliers and contacts throughout the world. "

Altivia
http://www.altivia.com/

"ALTIVIA fully serves the water treatment industry with chemicals, equipment and services. Our facilities are strategically located for product availability throughout the Southern United States and Mexico. Manufacturing sites are located with ready access to the highway system, rail lines and international waterways enabling the movement of products rapidly and cost effectively to any destination."

Anchor Drilling Fluids USA, Inc.
http://www.anchorusa.com/

"Anchor Drilling Fluids USA, Inc. is the fourth largest fully integrated drilling fluids company in the United States. Our Company has a proven track record of servicing demanding wells in every major U.S. energy basin and the Gulf of Mexico. Anchor's products , services, research and development efforts help our customers' operations be successful and more profitable. Our Company's mission is to be the leader in the environmentally sensitive drilling fluid technology."

Apex Engineering Products Corporation
http://www.rydlyme.com/

"Apex Engineering Products Corporation is a customer driven, specialty chemical manufacturer serving the worldwide marketplace for over 50 years! Apex Engineering Products Corporation manufactures, packages and sells the "World's Leading Biodegradable Descaler," RYDLYME. Although RYDLYME has been produced for over a half century, Apex has utilized 21st century technology in its manufacturing processes since day one."

Aqua Chemicals (Singapore) Private Limited
http://www.aqua-chem.com.sg/

"Since established in 1983, Aqua Chemicals has made a name as an integrated manufacturer of quality chemicals. Our range of quality products cover industrial, environment and domestic usage. Throughout these years, we have developed many popular and quality chemicals for various industries. Our GleeCut series degreasers has met the tough requirements of industrial, marine & oilfield customers; our AquaFloc series flocculants has proved to be a quality product with cost competitive edge; and our AquaGard series chemicals have helped to prevent process equipment break down and maintenance cost."