SigmaPro aerospace and defense clients include: Barnes Group, Lear DCAC, Lockheed Martin, McKechnie Aerospace, Northrop Grumman, Pratt & Whitney, Rockwell Collins, Shaw Aero, US Army, US Defense Intelligence Agency, US Dept. of Defense, and the US Navy.

SigmaPro automotive and heavy vehicle clients include: Agco, Arvin Meritor, Ballard Power Systems, BMW, Bobcat, BorgWarner, Case New Holland, Chrysler, Doosan, Ford, Goodyear, Harley Davidson, Hawk Racing, JLG, Magna Donnelly, Magna Electronics, Magna Powertrain, Mercedes-Benz, Meridian Technologies, Spartan ERV, Tesma, International, United Defense, and YanFeng.

SigmaPro consumer products clients include:  Ansell Protective Products, Aristocrat, Celestica, Coors, EJ Gallo, Energizer, Johnson & Johnson, Microsoft, New Belgium Brewing, NZ Post, Quebecor World, Safelite, Sears Roebuck & Co., SoloCup, Spherion Corp., and Wm. Bolthouse Farms

SigmaPro electronics clients include:  3e Technologies, Accuray, ADS Corp., Advanced Energy Industries, Agilent, AMI Semiconductor, Atmel, Avnet, dPix, Handspring, Hewlett-Packard, IBM, Intel, Johnson Electric, LSI, Maxtor, Prent Corp., Seagate, Sparton Electronics, SSI Tech, and Toshiba.

SigmaPro clients in the financial services sector include:  AFLAC, AIG, ANZ, Aviva, Bank of America, Bank of Montreal, Bank One, Chase, CitiStreet, Comdata, Credit Acceptance Corp., Data Dimensions, Evolving Systems Group, First Data, GEICO, ING, JP Morgan, LexisNexis, McData Corp., State Street Bank & Trust, Temple Inland Financial, TIAA-CREF, and Wells Fargo.

SigmaPro clients in government services include:  AB Community College, American Society for Quality, Colorado DOT, Guanzhou Metro, Lawrence Livermore National Lab, Lee County Florida School District, NASA, National Technological University, Securency, State of Oregon, Underwriter’s Laboratories, and the US Mint.

SigmaPro healthcare clients include:  Anthem Blue Cross, BJC Healthcare, Kaiser Permanente, Lee Memorial Health Systems, Leesar, Parkview Medical, Premier Inc., Quest Diagnostics, and United Healthcare.

SigmaPro manufacturing clients include:  American Woodmark, Andrew Canada, Bosch, Camfil Farr, Carpenter Technologies, Checkers Industrial Products, Crane Co., Galvak, General Physics, Goex Corp, Green, Tweed & Co., Heatcraft, Helmer Inc., Hill-Rom, Imperial Group, Ingersoll Rand, Instrumentation Laboratory, Intreplex, Kemlite, Kronos Products, Kwikset Corporation, Lennox International, Leviton, Mattel, Monsanto, MW Manufacturers, Owens Corning, Palco, Pall Corp., Rubadue Wire Co., Siam Cement Group, Scotts Co., Shaw Inc., Siemens, Sonoco, Square D, Strategic Materials, Superior Air Parts, Tapemark, Temple Inland Forest Products, Trelleborg, Tribridge, Tyco Adhesives, Unisys, Veeder Root, Visteon, and Weyerhauser.

SigmaPro medical device and pharmaceutical clients include:  Abbott, Bang & Olufson Medicom, Bausch & Lomb, Boston Scientific, Merck, Pfizer, ProPharma, Roche, Siemens Medical, Toshiba Medical, and Varian Medical.

SigmaPro clients in the chemical, oil, and mining sectors include:  Abengoa Bioenergy, Air Products, Asalliances Biofuels, Atlas Oil, ChemPolymer, Chevron, Comalco, Concurrent Technologies, Cytec Industries, Erachem, Ethyl Corp., Hovensa, PolyPlastic, Rio Tinto, RTI International Metals, Simon Holdings, and Vapor Corporation.