Computer software development and applications, Custom Computer Programming Services, Personal computers (microcomputers), Electronic Computer Manufacturing, Electronic parts and equipment, nec, Other Electronic Parts and Equipment Merchant Wholesalers, Computers, nec, Computer maintenance and repair, Computer and Computer Peripheral Equipment and Software Merchant Wholesalers, Computer and Office Machine Repair and Maintenance, Instruments to measure electricity, Computers, peripherals, and software, Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals, Computer integrated systems design, Computer Systems Design Services...

TEL: 2155423000
http://www.hp.com

International Business Machines Corporation in West Chester, Pennsylvania, USA

Cash register repair, Other Electronic and Precision Equipment Repair and Maintenance, Computer integrated systems design, Computer Systems Design Services, Minicomputers, Application computer software, Computer and data processing equipment repair/maintenance, Computer peripheral equipment, nec, Electronic Computer Manufacturing, Software Publishers, Computer and Office Machine Repair and Maintenance, Computer Storage Device Manufacturing, Other Computer Peripheral Equipment Manufacturing, Computer software development, Custom Computer Programming Services...

TEL: 6105782017
http://www.ibm.com

Northrop Grumman Space Mission Systems Corp. in Downingtown, Pennsylvania, USA

Computer related consulting services, Computer Systems Design Services, Commercial physical research, Computer integrated systems design, Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology), Prepackaged software, Software Publishers, Management services, Guided Missile and Space Vehicle Manufacturing, Office Administrative Services, Engineering Services, Communication equipment, Industrial supplies, Other Electronic Parts and Equipment Merchant Wholesalers, Industrial Supplies Merchant Wholesalers...

TEL: 6108730012
http://www.trw.com

Relativity Inc in Philadelphia, Pennsylvania, USA

Marketing Consulting Services, Computer integrated systems design, Data processing and preparation, Computer related maintenance services, Data processing schools, Custom Computer Programming Services, Computer Systems Design Services, Data Processing, Hosting, and Related Services, Other Computer Related Services, Computer Training...

TEL: 2158443508

Ncs Pearson Inc in Columbia, Pennsylvania, USA

Prepackaged software, Software Publishers, Educational computer software, Public Relations Agencies, Optical scanning devices, Application computer software, Tabulating service, Testing service, educational or personnel, Computer related maintenance services, Other Computer Peripheral Equipment Manufacturing, Data Processing, Hosting, and Related Services, Educational Support Services, Other Computer Related Services, Business consulting, nec, Other Management Consulting Services...

TEL: 7176844600
http://www.ncspearson.com

Nec Corporation of America in Harrisburg, Pennsylvania, USA

Computers and accessories, personal and home entertainment, Computer and Computer Peripheral Equipment and Software Merchant Wholesalers, Computer peripheral equipment, nec, Other Computer Peripheral Equipment Manufacturing, Telephone and telegraph apparatus, Management services, Telephone Apparatus Manufacturing, General Warehousing and Storage, Office Administrative Services, Custom Computer Programming Services, Video cassette recorders and accessories, Computers, peripherals, and software, Electronic parts and equipment, nec, Electrical and Electronic Appliance, Television, and Radio Set Merchant Wholesalers, Other Electronic Parts and Equipment Merchant Wholesalers...

TEL: 7172333417
http://www.necam.com

The Boeing Company in Wallingford, Pennsylvania, USA

Computer related maintenance services, Computer maintenance and repair, Other Computer Related Services, Computer and Office Machine Repair and Maintenance, Airplanes, fixed or rotary wing, Search and navigation equipment, Guided missiles, complete, Aircraft Manufacturing, Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing, Guided Missile and Space Vehicle Manufacturing, Machinery and equipment finance leasing, Sales Financing, Refueling equipment for use in flight, airplane, Other Aircraft Parts and Auxiliary Equipment Manufacturing, Rockets, space and military, complete...

TEL: 6105917533
http://www.boeing.com

Scs Inc in Harleysville, Pennsylvania, USA

Analytical instruments, Analytical Laboratory Instrument Manufacturing, Computer related maintenance services, Other Computer Related Services, Policyholders' consulting service, All Other Insurance Related Activities, Traders, security, Miscellaneous Financial Investment Activities, Custom Computer Programming Services, Upholstery fabrics, woven, Piece Goods, Notions, and Other Dry Goods Merchant Wholesalers...

TEL: 6102224436

American Systems Corporation in Philadelphia, Pennsylvania, USA

Consulting engineer, Engineering Services, Tennis court construction, Industrial Building Construction, Computer systems analysis and design, Computer Systems Design Services, Telecommunications consultant, Other Scientific and Technical Consulting Services, Prepackaged software, Communications consulting, Software Publishers, Computer related consulting services, Computer related maintenance services, Other Computer Related Services...

TEL: 2156973550
http://www.americansystems.com