Developes and sells PC-X connectivity software. (Nasdaq: HUMC)

Holding company with subsidiaries which import, manufacture and sell pneumatic hand tools for automotive, industrial, and retail markets. (Nasdaq: PFIN).

Cruise liner operator. Features financial reports, share price, and press releases. ( NYSE: POC )

Holding company with subsidiaries which provide irregular route, common and contract general commodities transport services. (Nasdaq: PTSI).

Manufactures, formulates, packs and markets high performance adhesives, sealants, threadlockers, nail care products and other related products. (Nasdaq: PTCH).

Internet service provider in Singapore. (Nasdaq: PCNTF).

Distributes computer and related hardware components and software for personal computers to value added resellers, retailers, systems integrators, original equipment manufacturers, independent hardware and software vendors, consultants and contractors. (Nasdaq: PMIC).

Develops, markets, and supports e-business solutions for Asian businesses. (Nasdaq: PACT).

Offers a variety of pagers and service options. Features products and services including store locations, service area coverage map, investor relations, and job opportunities. ( Nasdaq:PMWI ).

Provides wireless messaging and information delivery services. (Nasdaq: PAGE).

Researches, develops and manufactures ruby lasers for cosmetic and medical procedures. (Nasdaq: PMTI).

Owns and operates chain of convenience stores, offering broad range of products including tobacco products, beer, soft drinks, self-service fast food and beverages, publications, dairy products, groceries, lottery products and gasoline. (Nasdaq: PTRY).

Provider of professional services and enterprise business intelligence software. (NYSE: PTC).

Develops and sells ophthalmic surgical and diagnostic systems and instrumentation for minimally invasive cataract treatment. (Nasdaq: PMED).

Holding company with subsidiaries which develop, produce and sell a range of electronic products, including signal processing computer systems, communications controllers, rugged computers and custom designed helicopter subsystems, to meet applications within aircraft support, fire control, communications and signal intelligence for military, government and commercial applications. (Nasdaq: PVAT).

Holding company with subsidiaries which manufacture and sell a complete line of continuous forms, computer paper and cut-size sheets. (Nasdaq: PBFI).

Worldwide company which provides offshore and onshore contract drilling and drilling-related services. (NYSE: PKD)

Designs, develops and markets an automated video camera control system and automated production system; And researches, develops and markets wireless radio-frequency technology. (Nasdaq: PRKR).

Designs, manufactures and markets products for use in the interconnection and configuration of semiconductors and other components in electric equipment such as flexible printed circuits, custom laminated cable and assemblies of subsystems. (Nasdaq: PRLX).

Creates, designs, manufactures, distributes and sells prestige fragrances, cosmetics and beauty related products. (Nasdaq: PARL).

Develops solutions for the next generation of mobile computing. (Nasdaq: PRTH).

Provides quality mobile telecommuication services in Israel. (Nasdaq: PTNR).

Provides patient-centered health care information systems which proactively collect and analyze information to improve patient compliance with prescribed treatments. (Nasdaq: PATI).

Manufactures products for the manufactured housing and recreational vehicle industries including decorative vinyl and paper panels, cabinet doors, countertops, aluminum extrusions, drawer sides and wood adhesives. (Nasdaq: PATK).

Performs commercial banking operations, mortgage banking and other related financial activities. Includes online banking. (Nasdaq: PNBK).

Manufactures dairy farm equipment including coolers, pre-coolers, automatic washing systems and heat recovery equipment. (Nasdaq: MUEL).

Manufactures, markets and sells casino table game equipment, including casino chips, felt table layouts, playing cards, dice, gaming furniture and miscellaneous table accessories. (Nasdaq: PSON).

Holding company with subsidiary which purchases and sells securities from and to the public. (Nasdaq: PLCC).

Network television broadcasting company that owns and operates 63 broadcast television stations. (AMEX: PAX)

Direct markets brand-name personal computers and related peripherals, software, accessories and networking products. (Nasdaq: PCCC).

Sells computer hardware, software, and peripheral devices via various mail order catalogs. (Nasdaq: MALL)

Provides internet-based electronic commerce solutions, including software applications, content databases and related services, which enable the computer industry's suppliers, resellers and end-users to buy and sell computers online by increasing the automation product search, comparison, configuration, pricing, financing, ordering and reseller selection. (Nasdaq: PCOR).

Holding company with subsidiary which manufactures precision engineered packaging products for storage, transportation and automated handling of semiconductor devices and other electronic components. (Nasdaq: PEAKF).

Provides professional technology services which enable government entities to harness the power of the internet and other advanced technologies to enhance productivity and improve services to the public. (Nasdaq: PECS).

Provides software-based imaging systems for digital document products including printers, copiers, fax machines and other products. (Nasdaq: PRLS).

Holding company with subsidiaries which provide direct broadcast satellite and cable television services. (Nasdaq: PGTV).

Develops software which automates customer interactions across transaction-intensive enterprises including account set-up, record retrieval, correspondence, disputes, investigations and adjustments. (Nasdaq: PEGA).

Engineering, manufacturing, and fulfillment services in a number of industries. (Nasdaq: PMTR).

Develops, manufactures and markets specialty carbohydate-based ingredient systems for various applications, including papermaking, textiles and specialty food ingredients. (Nasdaq: PENX).

Developes, manufactures, and sells self-clinching and broaching fasteners, inserts for plastics, as well as automatic insertion equipment for such fasteners. (NYSE: PNN)

Owns and operates thoroughbred racetrack and off-track wagering facilities which simulcasts races, in Pennsylvania. (Nasdaq: PENN).

Purchases, transports, handles and sells liquified petroleum gas. (Nasdaq: POCC).

Provides billing, accounts receivable and other business management services to hospital affiliated physicians. (Nasdaq: PSTI).

Manufactures and markets broad line of computer and office equipment care, maintenance and accessory products which eliminate or minimize contamination in personal and small business computers, facsimile machines, office automation equipment, and mini- and micro computer systems. (Nasdaq: PERF).

Provides virtual professional services organizations to internet software companies, which plan, manage and execute software product implementations. (Nasdaq: PRFT).

Designs, manufactures, markets and services products and systems within three units: Life and Analytical Sciences, Optoelectronics and Fluid Sciences. (NYSE:PKI).

Operate in four main business areas : life sciences, optoelectronics, instruments, and fluid sciences. Features product data, investor information, and career opportunities. (NYSE: PKI)

Provider of information technology services and business solutions to a broad range of clients. Includes a range of services and investor data. ( NYSE: PER )

Designs and markets high quality men's sportswear, including sports and dress shirts, golf sportswear, sweaters, urban wear, casual and dress pants and shorts primarily to regional, national and international department stores, chain stores, mass merchandisers and specialty stores. (Nasdaq: PERY).

Develops, produces and markets natural gas. (Nasdaq: PETD).

Discovers, develops, manufactures, and markets prescription medicines for humans and animals, and makes many consumer health care products. (NYSE:PFE).

Holding company with subsidiaries which operate substance abuse centers which provide treatment for alcohol, drug dependency and related disorders, and in the provision of psychiatric and long-term care. (Nasdaq: PIHC).

Mining operations and manufacture engineered products for the global energy, telecommunications, transportation and specialty chemicals sectors. Includes links to history and culture, shareholders services, and key personnel. ( Nyse: PD )

Designs and sells a range of different styles of women's casual and dress shoes. Includes corporate data, company news, and brand information. (AMEX: PXG).

Provides browser and messaging software which enables delivery of internet based services to mass-market wireless telephones. (Nasdaq: PHCM).

Designs, manufactures and markets professional cameras, long-roll film magazines, photographic accessories, electronic flash, cine and video lighting equipment and photographic printers. (Nasdaq: PHOC).

Designs, develops and manufactures light-based technologies for healthcare applications. (Nasdaq: PHMD).

Develops, manufactures and markets visual communications systems using advanced video and audio compression technology. (Nasdaq: PCTL).

Distributes natural gas to residential, industrial and commercial customers in the Carolinas and Tennessee.(NYSE:PNY).

Offers casinos and gaming resorts in Biloxi, Mississippi, Bossier, Louisiana, Bay Saint Louis, Mississippi and Argentina. (NYSE: PNK)

Provides antenna and site space throughout North America. (Nasdaq: BIGT).

Holding company for Arizona Public Service, which generates, sells and delivers electricity and energy-related products and services. Also develops and manages real estate. (NYSE:PNW).

Manufactures consumer and commercial electronics, and also produces audiovisual software. (NYSE:PIO). [Japanese and English]

Holding company with subsidiaries which provide railroad transportation services, such as shipping links for customers along its routes and interchanges with major railroads. (Nasdaq: PRRR).

Distributes industrial and consumer electronic products, including resistors, relays, micro-processors, wire and cable, capacitors, computers and other computer peripheral products. (Nasdaq: PIOS).

Provides a range of investment products and services, including underwriting, brokerage, and asset management to individual and institutional investors. (NYSE: PJC)

Semiconductor company which designs, develops and markets highly integrated system-on-a-chip solutions for broadband communications. (Nasdaq: PXLW).

Develops, manufactures and markets electroluminescent flat panel displays, cathode ray tube displays, active matrix liquid crystal displays, backlights and passive matrix liquid crystal display products, for use in wide variety of medical, industrial process control, instrumentation, military/avionics, transportation, communications and other applications. (Nasdaq: PLNR).

Provider of integrated, end-to-end, industry-specific enterprise software solutions for midmarket companies around the world.

Private mortgage insurers located in the United States, Australia, New Zealand, and the European Union. The largest mortgage guaranty reinsurer in Hong Kong.

Provides broadcast quality video duplication, distribution and related value-added services including distribution of national television spot advertising, trailers and electronic press kits. (Nasdaq: PTSX).

Engineers and manufactures snowmobiles, all-terrain vehicles, watercrafts, motorcycles, and sport boats for nearly fifty years.

Provides direct-to-consumer specialty medical products and services, including diabetes supplies such as glucose test strips, consumer healthcare products such as over-the-counter medical devices and urinary discomfort products, and professional products such as prescription urologicals. (Nasdaq: PLMD).

Sells broad range of microcomputers and related products. (Nasdaq: PMRY).

Manufacturer and supplier of foam toys catering to all major sports and "promoting activity, education and soft, safe fun for children of all ages."

Manufactures and distributes potato chip and other snack food products. (Nasdaq: SNAK).

Manufactures softwood lumber and market pulp in the United States and Canada.

Develops, owns and operates upscale casual restaurants with multiple themed dining rooms. (Nasdaq: POPM).

Develops, manufactures and markets innovative medical products such as disposable catheters which utilize pressurized saline jets to remove blood clots, and synthetic grafts which act as substitutes for native blood vessels used in coronary artery bypass surgery. (Nasdaq: POSS).

Holding company with subsidiaries which design, develop, manufacture, sell and service electrical power generation distribution and control equipment, as well as microprocessor-based control systems and equipment, and switchgear electrical equipment. (Nasdaq: POWL).

Designs, develops, manufactures and markets proprietary, high-voltage, analog integrated circuits for use in ac to dc conversion. (Nasdaq: POWI).

Provides startup and engineering support to the power industry, utilizing management and technical services of experienced consultants, engineers, and technicians.

Electricity Generation for wholesale and retail markets in North America. Also distributes electricity in Pennsylvania. ( NYSE: PPL ).

national membership marketing solutions company and provider of smart card technology and software. Includes information on products and services, and investor relations. (Nasdaq: PCIS).

Franchises and operates automobile repair and maintenance, and fast oil change and lubrication service centers. (Nasdaq: PACI).

Manufacture investment and forged castings for a range of industrial application. Features product data, investor information, and company nes.(NYSE: PCP)

Designs, manufactures and sells specialized optical systems and components for medical and industrial applications, and optical thin film coatings for industrial and government applications. (Nasdaq: POCI).

Provides consulting services for the design, performance, management and security of complex business-critical computing networks. (Nasdaq: PRDS).

Operates two casinos across the country: the Admiral in Saint Louis Missouri, and the Broadwater Resort in Biloxi Mississippi . Includes investor relations, company news and events and management team . ( Otc: PREZ )

Designs and develops fully integrated four-color electronic page composition and printing system, which accepts digital files of fully composed pages from a variety of color electronic prepress and desktop publishing systems, and images the color separated pages directly on the printing plates. (Nasdaq: PRST).

Designs, develops, markets and supports storage management and communications solutions which feature disaster recovery, communications and security capabilities important to internet-connected enterprises and individuals. (Nasdaq: PRVO).

Provides accounts payable and other audit recovery services to large retailers, wholesale distributors, healthcare providers, technology companies and governmental agencies. (Nasdaq: PRGX).

Manufactures factory automation systems, process tool wafer-handling systems and related software used by semiconductor manufacturers to automate the fabrication of integrated circuits in cleanroom manufacturing operations. (Nasdaq: PRIA).

Owns and operates international merchandising businesses consisting of membership shopping warehouses; And formerly offered discounts on new cars and travel services to its members. (Nasdaq: PSMT).

One of the world's premier drilling contractors, providing a range of drilling, workover, and related services in many of the world's most challenging environments.

Acquires, constructs, owns and operates cable television networks which serve primarily medium- and small-sized communities in Germany. (Nasdaq: PCAG).

Holding company with subsidiaries which provide lithotripsy services to hospitals. (Nasdaq: PMSI).

Provides integrated e-marketing software solutions which enables businesses with large customer bases to create, manage and execute highly targeted internet and traditional marketing campaigns which build more loyal and profitable customer relationships. (Nasdaq: PRME).

A targeted media company in the United States, delivering content, live events, and video. Also offers advertising and marketing solutions in some of the most sought after niche markets.

Distributes printing and imaging supplies including film, plates and proofing and photographic chemicals. (Nasdaq: PSRC).

Provides web-based problem-resolution software for customer support and self-service, which enables businesses to capture problem-resolution information, solve customer problems, reuse solutions stored in the knowledge base and share captured knowledge throughout the extended enterprise. (Nasdaq: PKSI).

Provides international and domestic long distance, internet access and data, and other telecommunications services. (Nasdaq: PRTL).

Develops and markets real-time video insertion system which places computer-generated electronic advertising images into live television broadcasts of sporting and other events. (Nasdaq: PVII).

Designs, builds and markets systems referred to as plate-setters, which are used by offset printing industry to create printing plates directly from computer data. (Nasdaq: PRTW).

Develops and markets electronic commerce enabled software solutions used by financial institutions to purchase and manage small business receivables. (Nasdaq: PBIZ).

Provides employee administrative services, including payroll processing, payroll tax filing, human resources software and benefits administration, such as enrollment and processing of flexible benefit plans and cobra programs. (Nasdaq: PRBZ).

Publicly-held healthcare company. Specializes in its patented GHK and AHK copper peptide technologies.

Provides internet access and related value-added services. (Nasdaq: PRGY).

Principally engaged in the business of designing, manufacturing and marketing products to dental professionals for the diagnosis, treatment, and prevention of periodontal and other dental diseases.

Holding company with subsidiaries which provide temporary laboratory scientists and technicians in the United Kingdom. (Nasdaq: PSTF).

Develops, markets and supports enterprise-wide client/server applications software for use in maintaining facilities, systems and production equipment. (Nasdaq: PSDI).

Provides technological, business and creative infrastructure necessary to effectively produce and conduct online promotions, including sweepstakes. (Nasdaq: PRMO).

Protective Life Corporation provides financial security through insurance and investment products to individuals and families across the United States.

Designs, manufactures and markets patient monitoring instruments and systems which measure, display and document physiologic information obtained from sensors attached to the patient, including portable bedside monitors, low-end systems, high-end systems, telemetry systems, and stand alone monitor products. (Nasdaq: PCOL).

Provides healthcare services in non-urban markets in the united states, such as inpatient and outpatient medical services, skilled nursing, geriatric psychiatry and rehabilitation, and healthcare management services in acute-care hospitals which they own and lease. (Nasdaq: PRHC).

Provides internet solutions, including business to consumer electronic commerce internet sites, business to business electronic commerce extranets and company-specific intranets. (Nasdaq: PXCM).

Pioneeres in the development of computer-based LCD projectors. Manufactures multimedia presentation and computer peripheral products.

Provides internet access, services and products, including dedicated and dial-up internet connectivity, corporate intranets, web hosting and collocation, remote user access, multi-currency electronic commerce and security services, to clients in the United States as well as in international markets. (Nasdaq: PSIX).

Owns and operates psychiatric hospitals, and manages psychiatric units for people with illnesses such as schizophrenia and manic depression. (Nasdaq: PSYS).

Provides comprehensive, integrated suite of information and telecommunications services including voice and data messaging, electronic document distribution, full service conference calling services, enhanced calling services and internet-based communications services. (Nasdaq: PTEK).

Advertising and media services conglomerate. Includes investor data and a range of information on the group's activities. ( NYSE: PUB )

Publishes official and nonofficial Bar Association membership directories throughout the nation; also publishes America?s Legal Source, a comprehensive online Legal Vendor Directory of experts and service providers to the legal industry.

Develops, markets and supports mobile data exchange software which allows users to easily access, exchange and synchronize information stored on variety of different computing devices, including notebook and handheld computers, personal electronic organizers, smart phones and smart pagers. (Nasdaq: PUMA).

Holding company with subsidiary which manufactures and sells botanical extracts, including enzymes, water soluble gums and oleoresins, for the nutraceutical, flavor and cosmetic industries. (Nasdaq: PURW).

Owns and operates breweries which produce specialty beers. Includes corporate data, beer guide, and alehouse listing. (Nasdaq: PMID).