Item 1. Business.

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IDEX Corporation (“IDEX” or the “Company”) is a Delaware corporation incorporated on September 24, 1987. The Company is an applied solutions business that sells an extensive array of pumps, flow meters and other fluidics systems and components and engineered products to customers in a variety of markets around the world. All of the Company’s business activities are carried out through wholly-owned subsidiaries.

IDEX has four reportable business segments: Fluid & Metering Technologies, Health & Science Technologies, Dispensing Equipment, and Fire & Safety/Diversified Products. Reporting units in the Fluid & Metering Technologies segment consist of: Banjo; Energy and Fuels (“Energy”); Chemical, Food & Process (“CFP”) and Water & Waste Water (“Water”). Reporting units in the Health & Science Technologies segment consist of: IDEX Health & Science (“IH&S”); IDEX Optics and Photonics (“IOP”); Precision Polymer Engineering (“PPE”); Gast; Micropump and Materials Process Technologies (“MPT”) which we previously referred to as the Pharma group. The Dispensing Equipment segment is a reporting unit. Reporting units in the Fire & Safety/Diversified Products segment consist of: Fire Suppression; Rescue Tools and Band-It.

IDEX believes that each of its reporting units is a leader in its product and service areas. The Company also believes that its strong financial performance has been attributable to its ability to design and engineer specialized quality products, coupled with its ability to identify and successfully consummate and integrate strategic acquisitions.

FLUID & METERING TECHNOLOGIES SEGMENT

The Fluid & Metering Technologies Segment designs, produces and distributes positive displacement pumps, flow meters, injectors, and other fluid-handling pump modules and systems and provides flow monitoring and other services for the water and wastewater industries. Fluid & Metering Technologies application-specific pump and metering solutions serve a diverse range of end markets, including industrial infrastructure (fossil fuels, refined & alternative fuels, and water & wastewater), chemical processing, agricultural, food & beverage, pulp & paper, transportation, plastics & resins, electronics & electrical, construction & mining, pharmaceutical & bio-pharmaceutical, machinery and numerous other specialty niche markets. Fluid & Metering Technologies accounted for 44% of IDEX’s sales and 45% of IDEX’s operating income in 2011, with approximately 49% of its sales to customers outside the U.S.

Banjo. Banjo is a provider of special purpose, severe-duty pumps, valves, fittings and systems used in liquid handling. Banjo is based in Crawfordsville, Indiana and its products are used in agricultural and industrial applications. Approximately 11% of Banjo’s 2011 sales were to customers outside the U.S.

Energy. Energy consists of the Company’s Corken, Faure Herman, Liquid Controls, S.A.M.P.I. and Toptech businesses. Energy is a leading supplier of flow meters, electronic registration and control products, rotary vane and turbine pumps, reciprocating piston compressors, and terminal automation control systems. Headquartered in Lake Bluff, Illinois (Liquid Controls and Sponsler products), Energy has additional facilities in Longwood, Florida and Zwijndrech, Belgium (Toptech products), Oklahoma City, Oklahoma (Corken products), La Ferté Bernard, France (Faure Herman products), Vadodara, Gujarat, India (Liquid Controls products), and Altopascio, Italy (S.A.M.P.I. products). Applications for Liquid Controls and S.A.M.P.I. positive displacement flow meters, electronic, registration and control products include mobile and stationary metering installations for wholesale and retail distribution of petroleum and liquefied petroleum gas, aviation refueling, and industrial metering and dispensing of liquids and gases. Corken products consist of positive-displacement rotary vane pumps, single and multistage regenerative turbine pumps, and small horsepower reciprocating piston compressors. Toptech supplies terminal automation hardware and software to control and manage inventories, as well as transactional data and invoicing, to customers in the oil, gas and refined-fuels markets. Faure Herman is a leading supplier of ultrasonic and helical turbine flow meters used in the custody transfer and control of high value fluids and gases. Approximately 57% of Energy’s 2011 sales were to customers outside the U.S.

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Chemical, Food & Process. CFP consists of the Company’s Richter, Viking and Warren Rupp businesses. CFP is a leading producer of air-operated and motor-driven double-diaphragm pumps and replacement parts, premium quality lined pumps, valves and control equipment for the chemical, fine chemical and pharmaceutical industries, and external gear pumps. Richter’s corrosion resistant fluoroplastic lined products offer superior solutions for demanding applications in the process industry. Viking’s products consist of external gear pumps, strainers and reducers, and related controls used for transferring and metering thin and viscous liquids sold under the Viking® and Wright Flow TM brands and air-operated double-diaphragm pumps sold under the Blagdon® brand. Markets served by Viking products include chemical, petroleum, pulp & paper, plastics, paints, inks, tanker trucks, compressor, construction, food & beverage, personal care, pharmaceutical and biotech. Warren Rupp products (which also include Pumper Parts and Versa-Matic products) are used for abrasive and semisolid materials as well as for applications where product degradation is a concern or where electricity is not available or should not be used. Markets served by Warren Rupp products include chemical, paint, food processing, electronics, construction, utilities, mining and industrial maintenance. CFP maintains operations in Kampen, Germany (Richter products), Cedar Falls, Iowa (Richter and Viking products), Eastbourne, East Sussex, England, Shannon, Ireland (Viking products) and Mansfield, Ohio (Warren Rupp products). CFP primarily uses independent distributors to market and sell its products. Approximately 55% of CFP’s 2011 sales were to customers outside the U.S.

Water & Waste Water. Water consists of the Company’s ADS, IETG, iPEK, Knight and Pulsafeeder businesses. Water is a leading provider of metering technology and flow monitoring products and underground surveillance services for water & wastewater markets, as well as a leading manufacturer of pumps and dispensing equipment for industrial laundries, commercial dishwashing and chemical metering, and a provider of metering pumps, special-purpose rotary pumps, peristaltic pumps, fully integrated pump and metering systems, custom chemical-feed systems, electronic controls and dispensing equipment. ADS’s products and services provide comprehensive integrated solutions that enable industry, municipalities and government agencies to analyze and measure the capacity, quality and integrity of wastewater collection systems, including the maintenance and construction of such systems. IETG’s products and services enable water companies to effectively manage their water distribution and sewerage networks, while its surveillance service specializes in underground asset detection and mapping for utilities and other private companies. iPEK supplies remote controlled systems used for infrastructure inspection. Knight is a leading manufacturer of pumps and dispensing equipment for industrial laundries, commercial dishwashing and chemical metering. Pulsafeeder products are used to introduce precise amounts of fluids into processes to manage water quality and chemical composition, as well as peristaltic pumps. Its markets include water and wastewater treatment, oil & gas, power generation, pulp & paper, chemical and hydrocarbon processing, and swimming pools. Water maintains operations in Huntsville, Alabama and various other locations in the United States, Sydney, New South Wales, Australia and Melbourne, Victoria, Australia (ADS products), Leeds, England (IETG products and services), Hirschegg, Austria, and Sulzberg, Germany (iPEK products), Lake Forest, California, Mississauga, Ontario, Canada, Eastbourne, East Sussex, England, Unanderra, Australia, and Ciudad Juarez, Chihuahua, Mexico (Knight products), Rochester, New York, Punta Gorda, Florida and Milan, Italy (Pulsafeeder products). Approximately 46% of Water’s 2011 sales were to customers outside the U.S.

HEALTH & SCIENCE TECHNOLOGIES SEGMENT

The Health & Science Technologies Segment designs, produces and distributes a wide range of precision fluidics, rotary lobe pumps, centrifugal and positive displacement pumps, roll compaction and drying systems used in beverage, food processing, pharmaceutical and cosmetics, pneumatic components and sealing solutions, including very high precision, low-flow rate pumping solutions required in analytical instrumentation, clinical diagnostics and drug discovery, high performance molded and extruded, biocompatible medical devices and implantables, air compressors used in medical, dental and industrial applications, optical components and coatings for applications in the fields of scientific research, defense, aerospace, telecommunications and electronics manufacturing, laboratory and commercial equipment used in the production of micro and nano scale

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materials, precision photonic solutions used in life sciences, research and defense markets, and precision gear and peristaltic pump technologies that meet exacting original equipment manufacturer specifications. The segment accounted for 34% of IDEX’s sales and 31% of operating income in 2011, with approximately 53% of its sales to customers outside the U.S.

IDEX Health & Science. IH&S consists of the Eastern Plastics, Innovadyne, Isolation Technologies, Rheodyne, Ismatec, Sapphire Engineering, Systec and Upchurch Scientific businesses and has facilities in Rohnert Park, California (Innovadyne, Rheodyne and Systec products); Bristol, Connecticut (Eastern Plastics products); Glattbrugg, Switzerland and Wertheim-Mondfeld, Germany (Ismatec products), Middleboro, Massachusetts (Isolation Technologies and Sapphire Engineering products), and Oak Harbor, Washington (Ismatec and Upchurch Scientific products). Rheodyne and Systec products consist of injectors, valves, fittings and accessories for the analytical instrumentation market. Rheodyne and Systec products are used by manufacturers of high pressure liquid chromatography equipment servicing the pharmaceutical, biotech, life science, food & beverage, and chemical markets. Ismatec is a manufacturer of peristaltic metering pumps, analytical process controllers, and sample preparation systems. Sapphire Engineering and Upchurch Scientific products include fluidic components and systems for the analytical, biotech and diagnostic instrumentation markets, such as fittings, precision-dispensing pumps and valves, tubing and integrated tubing assemblies, filter sensors and other micro-fluidic and nano-fluidic components. Markets for Sapphire Engineering and Upchurch Scientific products include pharmaceutical, drug discovery, chemical, biochemical processing, genomics/proteomics research, environmental labs, food/agriculture, medical lab, personal care, and plastics/polymer/rubber production. Eastern Plastics products, which consist of high- precision integrated fluidics and associated engineered plastics solutions, are used in a broad set of end markets including medical diagnostics, analytical instrumentation, and laboratory automation. Isolation Technologies products consist of advanced column hardware and accessories for the high performance liquid chromatography (“HPLC”) market. HPLC instruments are used in a variety of analytical chemistry applications, with primary commercial applications including drug discovery and quality control measurements for pharmaceutical and food/beverage testing. Approximately 51% of IH&S’s 2011 sales were to customers outside the U.S.

IDEX Optics and Photonics. IOP consists of CVI Melles Griot (“CVI MG”), which was acquired in June 2011, Semrock, and AT Films, which was acquired in January 2011. CVI MG is a global leader in the design and manufacture of precision photonic solutions used in the life sciences, research, semiconductor, security and defense markets. CVI MG’s innovative products are focused on the generation, control and productive use of light for a variety of key science and industrial applications. Products consist of specialty lasers and light sources, electro-optical components, specialty shutters, opto-mechanical assemblies and components. In addition, CVI MG produces critical components for life science research, electronics manufacturing, military and other industrial applications including lenses, mirrors, filters and polarizers. These components are utilized in a number of important applications such as spectroscopy, cytometry (cell counting), guidance systems for target designation, remote sensing, menology and optical lithography. CVI MG is headquartered in Albuquerque, New Mexico, with additional manufacturing sites located in Carlsbad, California, Covina, California, Rochester, New York, Isle of Man, British Isles; Leicester, England, Kyongki-Do, Korea, Tokyo, Japan, Didam, The Netherlands, and Singapore. Semrock is a provider of optical filters for biotech and analytical instrumentation in the life sciences markets. Semrock’s optical filters are produced using state-of-the-art manufacturing processes which enable it to offer its customers significant improvements in instrument performance and reliability. Semrock is located in Rochester, New York. AT Films specializes in optical components and coatings for applications in the fields of scientific research, defense, aerospace, telecommunications and electronics manufacturing. AT Films’ core competence is the design and manufacture of filters, splitters, reflectors and mirrors with the precise physical properties required to support their customers’ most challenging and cutting-edge optical applications. AT Films is headquartered in Boulder, Colorado. Approximately 54% of IOP’s 2011 sales were to customers outside the U.S.

Precision Polymer Engineering. PPE, which was acquired in April 2010 and is located in Blackburn, England, is a provider of proprietary high performance seals and advanced sealing solutions for a diverse range

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of global industries and applications, including hazardous duty, analytical instrumentation, semiconductor/solar, process technologies, pharmaceutical, electronics, and food applications. Approximately 82% of PPE’s 2011 sales were to customers outside the U.S.

Gast. Gast consists of the Company’s Gast and Jun-Air businesses. The Gast business is a leading manufacturer of air-moving products, including air motors, low-range and medium-range vacuum pumps, vacuum generators, regenerative blowers and fractional horsepower compressors. Gast products are used in a variety of long-life applications requiring a quiet, clean source of moderate vacuum or pressure. Markets served by Gast products include medical equipment, environmental equipment, computers & electronics, printing machinery, paint mixing machinery, packaging machinery, graphic arts, and industrial manufacturing. The Jun-Air business is a provider of low-decibel, ultra-quiet vacuum compressors suitable for medical, dental and laboratory applications. Based in Benton Harbor, Michigan, Gast also has a manufacturing site in Redditch, England. Approximately 33% of Gast’s 2011 sales were to customers outside the U.S.

Micropump. Micropump consists of the Company’s Micropump and Trebor businesses. Micropump, headquartered in Vancouver, Washington, is a leader in small, precision-engineered, magnetically and electromagnetically driven rotary gear, piston and centrifugal pumps. Micropump products are used in low-flow abrasive and corrosive applications. Markets served by Micropump products include printing machinery, medical equipment, paints & inks, chemical processing, pharmaceutical, refining, laboratory, electronics, pulp & paper, water treatment, textiles, peristaltic metering pumps, analytical process controllers and sample preparation systems. Located in Salt Lake City, Utah, the Trebor business is a leader in high-purity fluid handling products, including air-operated diaphragm pumps and deionized water-heating systems. Trebor products are used in manufacturing of semiconductors, disk drives and flat panel displays. Approximately 71% of Micropump’s 2011 sales were to customers outside the U.S.

Materials Process Technologies: MPT consists of the Quadro, Fitzpatrick and Microfluidics businesses. Quadro is a leading provider of particle control solutions for the pharmaceutical and bio-pharmaceutical markets. Based in Waterloo, Ontario, Canada, Quadro’s core capabilities include fine milling, emulsification and special handling of liquid and solid particulates for laboratory, pilot phase and production scale processing within the pharmaceutical and bio-pharmaceutical markets. Fitzpatrick is a global leader in the design and manufacture of process technologies for the pharmaceutical, food and personal care markets. Fitzpatrick designs and manufactures customized size reduction, roll compaction and drying systems to support their customers’ product development and manufacturing processes. Fitzpatrick is headquartered in Elmhurst, Illinois. Microfluidics is a global leader in the design and manufacture of laboratory and commercial equipment used in the production of micro and nano scale materials for the pharmaceutical and chemical markets. Microfluidics is the exclusive producer of the Microfluidizer® family of high shear fluid processors for uniform particle size reduction, robust cell disruption and nanoparticle creation. Microfluidics is headquartered in Newton, Massachusetts. Approximately 53% of MPT’s 2011 sales were to customers outside the U.S.

DISPENSING EQUIPMENT SEGMENT

The Dispensing Equipment Segment produces precision equipment for dispensing, metering and mixing colorants and paints used in a variety of retail and commercial businesses around the world. Dispensing Equipment is a global supplier of precision-designed tinting, mixing, dispensing and measuring equipment for auto refinishing and architectural paints. Dispensing Equipment products are used in retail and commercial stores, hardware stores, home centers, department stores, automotive body shops as well as point-of-purchase dispensers. Dispensing Equipment is headquartered in Wheeling, Illinois with additional facilities in Sassenheim, The Netherlands, Unanderra, Australia, Gennevilliers, France, Milan, Italy, Barcelona, Spain, and Scarborough, Ontario, Canada. The segment accounted for 6% of IDEX’s sales and 4% of IDEX’s operating income in 2011, with approximately 77% of its sales to customers outside the U.S.

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FIRE & SAFETY/DIVERSIFIED PRODUCTS SEGMENT

The Fire & Safety/Diversified Products Segment produces firefighting pumps and controls, rescue tools, lifting bags and other components and systems for the fire and rescue industry, and engineered stainless steel banding and clamping devices used in a variety of industrial and commercial applications. The segment accounted for 16% of IDEX’s sales and 20% of IDEX’s operating income in 2011, with approximately 57% of its sales to customers outside the U.S.

Fire Suppression. Fire Suppression consists of the Class 1, Hale and Godiva businesses, which produce truck-mounted and portable fire pumps, stainless steel valves, foam and compressed air foam systems, pump modules and pump kits, electronic controls and information systems, conventional and networked electrical systems, and mechanical components for the fire, rescue and specialty vehicle markets. Fire Suppression’s customers are primarily OEMs. Fire Suppression is headquartered in Ocala, Florida (Class 1 products), with additional facilities located in Conshohocken, Pennsylvania (Hale products) and Warwick, England (Godiva products). Approximately 41% of Fire Suppression’s 2011 sales were to customers outside the U.S.

Rescue Tools. Rescue Tools consists of the Company’s Dinglee, Hurst, Lukas and Vetter businesses, which produce hydraulic, battery, gas and electric-operated rescue equipment, hydraulic re-railing equipment, hydraulic tools for industrial applications, recycling cutters, pneumatic lifting and sealing bags for vehicle and aircraft rescue, environmental protection and disaster control, and shoring equipment for vehicular or structural collapse. Markets served by Rescue Tools products include public and private fire and rescue organizations. Rescue Tools has facilities in Shelby, North Carolina (Hurst products), Tianjin, China (Dinglee products), Erlangen, Germany (Lukas products), and Zulpich, Germany (Vetter products). Approximately 78% of Rescue Tools’s 2011 sales were to customers outside the U.S.

Band-It. Band-It is a leading producer of high-quality stainless steel banding, buckles and clamping systems. The BAND-IT® brand is highly recognized worldwide. Band-It products are used for securing exhaust system heat and sound shields, industrial hose fittings, traffic signs and signals, electrical cable shielding, identification and bundling, and numerous other industrial and commercial applications. Markets for Band-It products include automotive, transportation equipment, oil & gas, general industrial maintenance, electronics, electrical, communications, aerospace, utility, municipal and subsea marine. Band-It is based in Denver, Colorado, with additional operations in Staveley, Derbyshire, England, and Singapore. Approximately 42% of Band-It’s 2011 sales were to customers outside the U.S.

GENERAL ASPECTS APPLICABLE TO THE COMPANY’S BUSINESS SEGMENTS

Competitors

The Company’s businesses participate in highly competitive markets. IDEX believes that the principal points of competition are product quality, price, design and engineering capabilities, product development, conformity to customer specifications, quality of post-sale support, timeliness of delivery, and effectiveness of our distribution channels.

Principal competitors of the Fluid & Metering Technologies Segment are the Pump Solutions Group (Blackmer and Wilden products) of Dover Corporation (with respect to pumps and small horsepower compressors used in liquified petroleum gas distribution facilities, rotary gear pumps, and air-operated double-diaphragm pumps); the Milton Roy unit of United Technologies Corporation (with respect to metering pumps and controls); and Tuthill Corporation (with respect to rotary gear pumps).

Principal competitors of the Health & Science Technologies Segment are the Thomas division of Gardner Denver, Inc. (with respect to vacuum pumps and compressors); Thermo Scientific Dionex products (with respect to analytical instrumentation); Parker Hannifin (with respect to sealing devices); and Valco Instruments Co., Inc. (with respect to fluid injectors and valves).

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The principal competitor of the Dispensing Equipment Segment is CPS Color Group Oy, which is owned by Nordic Capital (with respect to dispensing and mixing equipment for the paint industry).

The principal competitors of the Fire & Safety/Diversified Products Segment are Waterous Company, a unit of American Cast Iron Pipe Company (with respect to truck-mounted firefighting pumps), Holmatro, Inc. (with respect to rescue tools), and Panduit Corporation (with respect to stainless steel bands, buckles and tools).

Employees

At December 31, 2011, the Company had 6,814 employees. Approximately 8% were represented by labor unions with various contracts expiring through June 2015. Management believes that the Company’s relationship with its employees is good. The Company historically has been able to satisfactorily renegotiate its collective bargaining agreements, with its last work stoppage in March 1993.

Suppliers

The Company manufactures many of the parts and components used in its products. Substantially all materials, parts and components purchased by the Company are available from multiple sources.

Inventory and Backlog

The Company regularly and systematically adjusts production schedules and quantities based on the flow of incoming orders. Backlogs typically are limited to one to one and a half months of production. While total inventory levels also may be affected by changes in orders, the Company generally tries to maintain relatively stable inventory levels based on its assessment of the requirements of the various industries served.

Raw Materials

The Company uses a wide variety of raw materials which are generally available from a number of sources. As a result, shortages from any single supplier have not had, and are not likely to have a material impact on operations.

Shared Services

The Company has two production facilities in Suzhou, China, that support multiple business units. IDEX also has personnel in China, India and Singapore that provide sales and marketing, product design and engineering, and sourcing support to its business units, as well as personnel in various locations in Europe, South America, the Middle East and Japan to support sales and marketing efforts of IDEX businesses in those regions.

Segment Information

For segment financial information for the years 2011, 2010, and 2009, see the table titled “Company and Business Segment Financial Information” presented in Part II. Item 7. “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and Note 11 of the Notes to Consolidated Financial Statements in Part II. Item 8. “Financial Statements and Supplementary Data.”

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Executive Officers of the Registrant

The following table sets forth the names of the executive officers of the Company, their ages, years of service, the positions held by them, and their business experience during the past 5 years.

Name		Age				Years of Service				Position
Andrew K. Silvernail			40				3			Chairman of the Board and Chief Executive Officer
Heath A. Mitts			41				6			Vice President and Chief Financial Officer
Frank J. Notaro			48				14			Vice President-General Counsel and Secretary
Daniel J. Salliotte			45				7			Vice President-Mergers, Acquisitions and Treasury
Michael J. Yates			46				6			Vice President and Chief Accounting Officer

Mr. Silvernail has served as Chief Executive Officer since August 2011, and as Chairman of the Board since January 2012. Prior to that, Mr. Silvernail was Vice President-Group Executive Health & Science Technologies, Global Dispensing and Fire & Safety/Diversified Products since January 2011. From February 2010 to December 2010, Mr. Silvernail was Vice President-Group Executive Health & Sciences Technologies and Global Dispensing. Mr. Silvernail joined IDEX in January 2009 as Vice President-Group Executive Health & Science Technologies. Prior to joining IDEX, Mr. Silvernail served as Group President at Rexnord Industries from April 2005 to August 2008.

Mr. Mitts has served as Vice President and Chief Financial Officer since March 2011. Mr. Mitts was hired as Vice President-Corporate Finance in September 2005.

Mr. Notaro has served as Vice President-General Counsel and Secretary since March 1998.

Mr. Salliotte has served as Vice President-Mergers, Acquisitions and Treasury since February 2011. Mr. Salliotte joined IDEX in October 2004 as Vice President-Strategy and Business Development.

Mr. Yates has served as Vice-President and Chief Accounting Officer since February 2010. Mr. Yates was hired as Vice President-Controller in October 2005.

The Company’s executive officers are elected at a meeting of the Board of Directors immediately following the annual meeting of stockholders, and they serve until the next annual meeting of the Board, or until their successors are duly elected and qualified or their death, resignation or removal.

Public Filings

Copies of the Company’s annual report on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K and amendments to those reports are made available free of charge at www.idexcorp.com as soon as reasonably practicable after being filed electronically with the SEC. Our reports are also available free of charge on the SEC’s website, www.sec.gov. The information on the Company’s website is not incorporated into this Form 10-K.

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