RAAN Member Supply Chain Search
The Rockford Region is home to four tier-one companies and more than 250 suppliers within a 90-minute radius. A complete list of these companies can be found in the complete Supply Chain Search.
Major sub-sectors include AS9100 and Nadcap certified suppliers of:
- Electric power generation systems
- Power management
- Actuation systems
- Metal component fabrication
- Aircraft interior manufacturing
- Maintenance, repair, and overhaul (MRO)
Find businesses using the complete Supply Chain Search
Find members through our RAAN Member Chain Search below.
| Name | Address | Capabilities |
|---|---|---|
| Emery Air, Inc. | 1 Airport Cir PO Box 6067 Rockford, IL 61125 | |
| Kishwaukee College | 21193 Malta Rd Malta, IL 60150 | |
| RJ Link International, Inc. | 3741 Publishers Dr Rockford, IL 61109 | Electrical and Mechanical Assemblies, Engineering Services, Grinding, Ground Support Equipment, Maintenance, Repair, Overhaul (MRO), Precision Machining |
| NIU EIGERlab CoWorking Space | 8500 E State St Rockford, IL 61108 | |
| UTC Aerospace Systems | 2421 11th St PO Box 7002 Rockford, IL 61125 | |
| Header Die & Tool, Inc. | 3022 Eastrock Ct PO Box 5846 Rockford, IL 61125 | |
| Chartwell Agency | 120 W State St Ste 305 Rockford, IL 61101 | |
| North American Fabrication Co. | 2120 Charmar Dr Loves Park, IL 61111 | |
| 425 Manufacturing, Inc. | 4719 Stenstrom Rd Rockford, IL 61109 | |
| Superior Joining Technologies, Inc. | 1260 Turret Drive Machesney Park, IL 61115 | Nondestructive Testing, Test Equipment, Welding |
| American Standard Circuits, Inc. | 475 Industrial Dr West Chicago, IL 60185 | Electrical and Mechanical Assemblies, Electronics |
| Chem Processing, Inc. | 3910 Linden Oaks Dr Rockford, IL 61109 | Chemical Processing, Coatings Application/Painting, Maintenance, Repair, Overhaul (MRO) |
| AAR Corp | 6150 Cessna Way Rockford, IL 61109 | |
| Abrasive-Form, Inc. | 454 Scott Dr Bloomingdale, IL 60108 | |
| Absolute Grinding | 2400 11th St Rockford, IL 61104 | |
| Accelerated Machine Design & Engineering LLC | 3044 Eastrock Ct Rockford, IL 61109 | |
| Adapt Plastics, Inc. | 7949 Forest Hills Rd Loves Park, IL 61111 | |
| Advanced Flexible Composites | 14 Walter Ct Lake in the Hills, IL 60156 | |
| University of Wisconsin Oshkosh | 625 Pearl Ave Ste 212 Oshkosh, WI 54901 | |
| Alpha Star Tool & Mold | 11 Burdent Dr Crystal Lake, IL 60014 | |
| Anchor Harvey Components L.L.C. | 600 W Lamm Rd Freeport, IL 61032 | |
| Anpec Industries Inc. | PO Box 539 216 N Main St Pecatonica, IL 61063 | |
| American Control Electronics | 14300 De La Tour Dr South Beloit, IL 61080 | |
| Advanced Machine & Engineering | 2500 Latham St Rockford, IL 61103 | |
| Air Wisconsin Airlines Corp. | W6390 Challenger Dr Ste 203 Appleton, VVI 54914 | |
| Airfloat | 2230 Brush College Rd Decatur, IL 62526 | |
| American Champion Aircraft | 32032 Washington Ave Rochester, WI 53167 | |
| Advanced Heat Treating, Inc. | 980 Industrial Ct Loves Park, IL 61111 | |
| Aircraft Systems Inc | 5187 Falcon Rd Rockford, IL 61109 | |
| Allegiant Air | 2 Airport Cir Ste 111 Rockford, IL 61109 | |
| A.M. Precision Machining, Inc. | 170 Lively Blvd Elk Grove Village, IL 60007 | |
| AkzoNobel Aerospace Coatings | 1 E Water St Waukegan, WI 60085 | |
| Alion Science and Technology | 1000 Burr Ridge Pkwy #202 Burr Ridge, IL 60527 | |
| All Products Gasket | 618 Anderson Dr Romeoville, IL 60446 | |
| Action Precision Machine Tool Inc. | 1308 Barnes St Rockford, IL 61104 | |
| Aircraft Gear Corporation | 611 Beacon St Loves Park, IL 61111 | |
| Alert Tubing Fabricators, Inc. | 8019 Commercial Ave Loves Park, IL 61111 | |
| Chicago Midway International Airport | 5700 S Cicero Ave Chicago, IL 60638 | |
| Chirch Global Manufacturing, L..L.C. | 1150 Ridgeview Dr McHenry, IL 60050 | |
| Clinkenbeard & Associates Inc. | 577 Grable St Rockford, IL 61109 | Engineering Services, Precision Machining |
| Comply365, LLC | 655 Third St Ste 365 Beloit, WI 53511 | |
| Continental Machine Co | 6715 w. State st. ROCKFORD, IL 61102 | |
| Crown Machine , Inc. | 2707 N Main St Rockford, IL 61103 | |
| Crystal Precision Drilling, Inc. | 5122 Torque Dr Loves Park, IL 61111 | |
| Dane County Regional Airport | 4000 International Ln Madison, WI 53704 | |
| Danville Metal Stamping Co., Inc. | 20 Oakwood Ave Danville, IL 61832 | |
| Chemtool Incorporated | 801 W Rockton Rd Rockton, IL 61072 | |
| Communication Coil, Inc. | 9601 Soreng Ave Schiller Park, IL 60176 | |
| Chemtool Incorporated | 1165 Prairie Hill Rd Rockton, IL 61072 | |
| Constellium | 6133 N River Rd Ste 100 Rosemont, IL 60018 | |
| Constellium | 859 Century Rd PO Box 68 Ravenswood, WV 26164 | |
| Code 1 Aviation | 5181 Falcon Rd Rockford, IL 61109 | |
| Chicago Aircraft Inc. | 3216 S Nordic Rd Arlingon Heights, IL 60005 | |
| Control System Research, Inc. | 60 Airport Dr Rockford, IL 61109 | |
| Courtesy Aircraft | 5233 Falcon Rd Rockford, IL 61109 | |
| Chemring Energetic Devices | 2525 Curtiss St Downers Grove, IL 60515 | |
| Chucking Machine Products Inc | 3550 Birch St Franklin Park, IL 60131 | |
| CMC Electronic Flight Visions (a subsidiary of Esterline) | 84 N Dugan Rd Sugar Grove, IL 60554 | |
| Curtis Metal Finishing Company | 10911 N 2nd St Machesney Park, IL 61115 | |
| Cyrus Shank Manufacturing | 575 Exchange Ct. Aurora, IL 60504 | Connectors/Fasteners, Engineering Services |
| Chicago Executive Airport | 1020 S Plant Rd Wheeling, IL 60090 | |
| HELIARCT, Inc. | 7407 Edward Dr Unit 2 Loves Park, IL 61111 | |
| GKN Aerospace | 550 Warrenville Rd Ste 400 Lisle, IL 60532 | |
| Genex, L.P. | 6201 W Howard St Niles, IL 60714 | |
| Honeywell Sensing & Productivity Solutions | 315 E Stephenson St Freeport, IL 61032 | Electrical and Mechanical Assemblies, Electronics |
| Ford Tool & Machining | 2205 Range Rd PO Box 2211 Loves Park, IL 61131 | |
| Forest City Gear Co., Inc. | 11715 Main St Roscoe, IL 61073 | Grinding, Precision Machining |
| General Mitchell International Airport | 5300 S Howell Ave Milwaukee, WI 53207 | |
| GFI Metal Treating Inc | 1531 Preston St Rockford, IL 61102 | |
| GKI Incorporated | 6204 Factory Rd Crystal Lake, IL 60014 | |
| Gleason Cutting Tools Corporation | 1351 Windsor Rd PO Box 2950 Loves Park, IL 61132 | |
| Greater Peoria Regional Airport | 6100 W Everett McKinley Dirksen Pkwy Peoria, IL 61607 | |
| Guardian Electric Manufacturing Company | 1425 Lake Ave Woodstock, IL 60098 | |
| Minarik Drives | 14300 De La Tour Dr South Beloit, IL 61080 | |
| Hitachi Consulting Corporation | 123 N Wacker Dr Ste 1200 Chicago, IL 60606 | |
| Hooker Custom Harness Inc. | 324 E Stephenson St Freeport, IL 61032 | |
| Huron Consulting Group | 550 W Van Buren St Chicago, IL 60607 | |
| GE Aviation | 1354 Clifford Ave PO Box 2909 Loves Park, IL 61132 | |
| Helicopter Specialties, Inc. | 4746 S Columbia Dr Janesville, WI 53546 | |
| Heritage Aero, Inc. | 1651 Grumman Dr Rockford, IL 61109 | |
| Forest Electric Co. | 1301 Armitage Ave Ste B Melrose Park, IL 60160 | |
| G&Z Industries, Inc. | 541 Chaddick Dr Wheeling, IL 60090 | |
| Gemini Tool & Manufacturing | 3541 Martens St Franklin Park, IL 60131 | |
| General Machinery & Manufacturing Co | 2634 N Keeler Ave Chicago, IL 60639 | |
| Illinois Manufacturers\' Association | 220 E Adams St Springfield, IL 62701 | |
| NDK America, Inc. | 701 Crystal Pkwy Belvidere, IL 61008 | |
| Makerite Manufacturing Co. Inc. | PO Box 700 Roscoe, IL 61073 | |
| McClellan Blakemore Architects | 400 N 1st St Rockford, IL 61107 | |
| Methode Electronics, Inc. | 7401 W Wilson Ave Chicago, IL 60706 | |
| Metronor, Inc. | 973 Featherstone Rd Ste 105 Rockford, IL 61107 | |
| Midwest Aero Support, Inc. | 1303 Turret Dr Machesney Park, IL 61115 | Additive Manufacturing, Airframes, Cabin Interiors, Composites, Electrical and Mechanical Assemblies, Electronics, Lighting, Maintenance, Repair, Overhaul (MRO), Wiring |
| Midwest Express Airlines | 6744 S Howell Ave HQ-23 Oak Creek, WI 53154 | |
| Modern Machine Shop | 333 18th Ave Rockford, IL 61104 | |
| Morgan Aircraft, Company | 220 S Business Park Dr Ste A6 Oostburg, WI 53070 | |
| Northern Illinois University | 8500 E State St Rockford, IL 61108 | |
| Numerical Precision, Inc | 2200 Foster Ave Wheeling, IL 60090 | |
| Parker Hannifin Corporation | 10711 N 2nd St Machesney Park, IL 61115 | |
| Met-L-Flo Inc. | 720 Heartland Dr Unit S Sugar Grove, IL 60554 | Additive Manufacturing, Cabin Interiors, Maintenance, Repair, Overhaul (MRO) |
| Network Global Logistics | 101 Mark St Wood Dale, IL 60191 | |
| NIU EIGERlab Center for Product Development | 5299 Zenith Pkwy Loves Park, IL 61111 | |
| Moreland Aviation Advisors | 8926 N Il Route 2 Byron, IL 61126 | |
| Mech-Tronics | 1635 N 25th Ave Melrose Park, IL 60160 | |
| Minic Precision, Inc. | 7706 Industrial Ct Spring Grove, IL 60081 | |
| New Gen Aerospace | 290 Park Ave Lake Villa, IL 60073 | |
| Northstar Aerospace (Chicago) Inc | 6006 W 73rd St Bedford Park, IL 60638 | |
| MECO, Inc. | 2121 S Main St Paris, IL 61944 | |
| PBC Linear | 6402 Rockton Rd PO Box 6980 Roscoe, IL 61125 | |
| Norton-Saint-Gobain Abrasives | 405 Oak Ave Westmont, IL 60559 | |
| Rubloff Jet Express, L.L.C. | 4949 Harrison Ave Ste 204 Rockford, IL 61108 | |
| S & B Jig Grinding, Inc. | 6820 Forest Hills Rd Loves Park, IL 61111 | |
| Saint Technologies, Inc. | 10 N Locust St Shannon, IL 61078 | |
| Sandray Precision Grinding | 632 Grable St Rockford, IL 61109 | |
| Sandstrom Products Co. | 224 N Main St Port Byron, IL 61275 | |
| Safety Socket LLC | 49 Prairie Pkwy Gilberts, IL 60136 | |
| Skandia, Inc. | 5000 N Hwy 251 Davis Junction, IL 61020 | Cabin Interiors, Engineering Services, Maintenance, Repair, Overhaul (MRO), Materials Testing, Technical Documentation, Test Equipment, Training |
| SupplyCore Inc. | 303 N Main St Ste 800 Rockford, IL 61101 | |
| T.Y. Lin International | 200 S Wacker Dr Ste 1400 Chicago, IL 60606 | |
| Sonex Aircraft, LLC | 511 Aviation Rd Oshkosh, WI 54902 | |
| Solairus Aviation | 5713 S Central Ave Chicago, IL 60638 | |
| SC Aviation Inc. | 4120 S Discovery Dr Janesville, WI 53546 | |
| Short Hop, Inc. | 1962 N Bissell St No 3 Chicago, IL 60614 | |
| Spider Company, Inc. | 2340 11th St Rockford, IL 61104 | |
| Stork Techniment, Inc. | 3200 South 166th St New Berlin, WI 53151 | |
| Sycamore Precision | 334 E 1st St Genoa, IL 60135 | Coatings Application/Painting, Precision Machining |
| TAC Rockford/Transatlantic Connection, Inc. | 109 N Main St Rockford, IL 61101 | Test Equipment |
| Sandvik Coromant | 1665 Penny Ln Schaumburg, IL 60173 | |
| Superior Plane Aircraft Coatings, Inc. | 5189 Falcon Rd Rockford, IL 61109 | |
| Scott Air Force Base | Mascoutah, IL | |
| Scot Forge Company | 8001 Winn Rd Spring Grove, IL 60081 | |
| Smalley Steel Ring Company | 555 Oakwood Rd Lake Zurich, IL 60047 | |
| Solutions Manufacturing, Inc. | 2107-2113 Stonington Ave Hoffman Estates, IL 60014 | |
| SKF Aerospace Sealing Solutions | 900 N State St Elgin, IL 60123 | |
| Argus Business Consulting, LLC | 11324 Carriage Pl Ste B Belvidere, IL 61008 | |
| Arnold Magnetic Technologies | 300 N West St Marengo, IL 60152 | |
| Arrow Gear Company | 2301 Curtiss St Downers Grove, IL 60515 | |
| Avionics Place, Inc. | 5257 Falcon Rd Rockford, IL 61109 | |
| Azimuth CNC | 5291 28th Ave Rockford, IL 61109 | Precision Machining |
| B & B Tool Company | 5005 27th Ave Rockford, IL 61109 | |
| Bauer CAD/CAM Services, Inc. | 920 1st Ave Rockford, IL 61104 | |
| beyondRelations, LLC | 1111 S Alpine Ste 701 Rockford, IL 61108 | |
| BLEY | 700 Chase Ave Elk Grove Village, IL 60007 | |
| Bourn & Koch, Inc. | 2500 Kishwaukee St Rockford, IL 61104 | |
| Burnex Corp. | 703 W Algonquin Rd Algonquin, IL 60102 | |
| Boeing | 100 N Riverside Plaza Chicago, IL 60606 | |
| Belcan Engineering Group, LLC | 3381 Forest View Rd Rockford, IL 61108 | Additive Manufacturing, Airframes, Avionics, Cabin Interiors, Electrical and Mechanical Assemblies, Electronics, Engines, Engineering Services, Ground Support Equipment, Software, Technical Documentation, Test Equipment |
| Armstrong Aerospace | 1437 Harmony Ct Itasca, IL 60143 | |
| Ardekin Precision LLC | 2526 20th St Rockford, IL 61104 | |
| Cessna Aircraft Company-Service Center | 210 E Citation Way Milwaukee, WI 53207 | |
| Astro Craft, Inc. | 7509 Spring Grove Rd Spring Grove, IL 60081 | |
| Bartell Corporation | 3671 Persimmon Dr Algonquin, IL 60102 | |
| Carpenter Technology Corporation | 902 Carlow Dr Bolingbrook, IL 60490 | |
| Century Metal Spinning Co, Inc. | 430 Meyer Rd Bensenville, IL 60106 | |
| CEF Industries, LLC | 320 S Church St Addison, IL 60101 | |
| Aviation Management Consulting, Inc. | 3645 Foxborough Ln Ste 1011A Rockford, IL 61114 | |
| Arc-Tronics, Inc. | 1150 Pagni Dr. Elk Grove Village, IL 60007 | |
| DLS Electronic System Inc. | 1250 Peterson Dr Wheeling, IL 60090 | |
| Dekalb Forge Company | PO Box 567 DeKalb, IL 60115 | |
| DeltaHawk Engines | 2300 S St Racine, WI 53404 | |
| Electrol Specialties Co. | 441 Clark St PO Box 7 South Beloit, IL 61080 | |
| Expeditors International of Washington, Inc. | 849 Thomas Dr Bensenville, IL 60106 | |
| DuPage Aerospace Corporation | 2755 International Dr West Chicago, IL 60185 | |
| Direct AeroSystems, Inc | 777 N Dillon Dr Wood Dale, IL 60191 | |
| DuPage Airport Authority | 2700 International Dr West Chicago, IL 61085 | |
| Easy-Metric Inc | 18W140 Butterfield Rd Fl 15 Oakbrook Terrace, IL 60181 | |
| Elite Tool & Wire | 4701 Hydraulic Rd Rockford, IL 61109 | |
| Ellison Technologies | 4630 Weaver Pkwy Warrenville, IL 60555 | |
| Emteq Aerospace, Inc. | 5349 S Emmer Dr New Berlin, WI 53151 | |
| Energy Dynamics | 5029 Willow Creek Rd Machesney Park, IL 61115 | |
| Esterline Control Systems BVR Technologies | 3358-60 Publishers Dr Rockford, IL 61109 | |
| Excel Gear, Inc. | 11865 Main St Roscoe, IL 61073 | |
| Excelsior, Inc. | 4982 27th Ave Rockford, IL 61109 | Connectors/Fasteners |
| FG Engineered Solutions | 3365 N Arlington Heights Rd Ste B Arlington Heights, IL 60004 | |
| EWT/3DCNC Inc. | 3019 Eastrock Ct Rockford, IL 61109 | |
| Drews Aviation, Inc. | 7855 Moore Hill Ct Belvidere, IL 61008 | |
| Donaldson Company | 815 W Progress Dr Dixon, IL 61021 | |
| Elgiloy Specialty Metals | 1565 Fleetwood Dr Elgin, IL 60123 | |
| Electro-Max, Inc | 105 Rowell Rd Ste D Hampshire, IL 60140 | |
| Emery Air, Inc. | 46 Airport Dr Rockford, IL 61109 | |
| Engberg Anderson | 320 E Buffalo St Ste 500 Milwaukee, WI 53202 | |
| M-1 Tool Works, Inc | 1419 S Belden St McHenry, IL 60050 | |
| Ingenium Technologies Corp | 4216 Maray Dr Ste A-1 Rockford, IL 61107 | Engineering Services, Technical Documentation, Test Equipment |
| Leading Edge Hydraulics | 2600 Harrison Ave Rockford, IL 61108 | |
| Kreis Tool & Mfg. Co., Inc. | 1615 Cambridge Dr Elgin, IL 60123 | Grinding, Ground Support Equipment, Precision Machining, Test Equipment |
| IMSM Ltd. | 401 N Michigan Ave Ste 1200 Chicago, IL 60611 | |
| Kaney Group LLC | 1321 Capital Dr Rockford, IL 61109 | |
| Ingenium Aerospace | 5389 International Dr Rockford, IL 61109 | Airframes, Electrical and Mechanical Assemblies, Electronics, Engineering Services, Ground Support Equipment, Landing Gear/Wheels/Brakes, Maintenance, Repair, Overhaul (MRO), Technical Documentation, Test Equipment |
| IMEC | Northern Illinois University 8500 E State St Rockford, IL 61108 | |
| Industrial Molds Group | 5175 27th Ave Rockford, IL 61109 | |
| Ingersoll Cutting Tools Co | 845 S Lyford Rd Rockford, IL 61108 | |
| Ingersoll Production Systems | 1301 Eddy Ave Rockford, IL 61103 | |
| Ipsen Inc. | 984 Ipsen Rd PO Box 6266 Rockford, IL 61125 | Coatings Application/Painting, Ground Support Equipment, Maintenance, Repair, Overhaul (MRO) |
| K-I Machine Tool & Production, Inc. | 2107 Charmar Dr Loves Park, IL 61111 | |
| Larson & Darby Group | 4949 Harrison Ave Ste 100 PO Box 5207 Rockford, IL 61125 | |
| LTL Co | 4801 American Rd Rockford, IL 61109 | |
| Illinois Tool Works--Magnaflux | 3600 W Lake Ave Glenview, IL 60026 | |
| InserTech L.L.C. | 711 Industrial Dr Cary, IL 60013 | |
| Jefco Screw Machine Products, Inc. | 6203 Material Ave Loves Park, IL 61111 | Precision Machining |
| Kenmode Tool & Engineering | 820 W Algonquin Rd Algonquin, IL 60102 | |
| Kropp Forge | 5301 W Roosevelt Rd Chicago, IL 60804 | |
| L-3 Communications Electrodynamic, Inc. | 1200 Hicks Rd Rolling Meadows, IL 60008 | |
| Littlestar Plastics | 1189 Anvil Dr Machesney Park, IL 61115 | |
| Magnetic Inspection Laboratory, Inc. | 1401 Greanleaf Ave Elk Grove Village, IL 60007 | |
| Ingersoll Machine Tools, Inc. | 707 Fulton Ave Rockford, IL 61103 | |
| Jet Support Services, Inc. | 180 N Stetson Fl 29 Chicago, IL 60601 | |
| Rock Valley College | 3301 N Mulford Rd Rockford, IL 61114 | |
| Planet Space | 39 S LaSalle St Ste 600 Chicago, IL 60603 | |
| Plymouth Tube Co. | 29W150 Warrenville Rd Warrenville, IL 60555 | |
| Powmet, Inc. | 2625 Sewell St PO Box 5086 Rockford, IL 61125 | |
| PMI Aerospace | 2801 Eastrock Dr. Rockford, IL 61109 | |
| Progressive Steel Treating Inc | 922 Lawn Dr Loves Park, IL 61111 | |
| Quad City International Airport | PO Box 9009 Moline, IL 61265 | |
| QuEST Global Services - N.A., Inc. | 1252 Bell Valley Rd Rockford, IL 61108 | |
| QuestTek Innovations LLC | 1820 Ridge Ave Evanston, IL 60201 | |
| Rock Valley College Aviation Tech | Greater Rockford Airport 6349 Falcon Rd Rockford, IL 61109 | |
| Rockford Acromatic Products | 611 Beacon St Loves Park, IL 61111 | |
| Rockford Burrall Machine Co. | 4520 Shepherd Trl Rockford, IL 61103 | |
| Rockford Drop Forge | 2011 10th Street Rockford, IL 61104 | |
| Rockford Linear Actuation, Inc. | 2111 23rd Ave Rockford, IL 61104 | |
| Roper Whitney of Rockford, Inc. | 2833 Huffman Blvd Rockford, IL 61103 | |
| Rockford I.D. Shop | 105 N Pecatonica Rd Winnebago, IL 61088 | |
| Regal Cutting Tools | 5330 E Rockton Rd Roscoe, IL 61073 | |
| Polyonics Rubber Co | 100 E Park St Poplar Grove, IL 61065 | |
| Rexnord Industries | 634 Glenn Ave Wheeling, IL 60090 | |
| PDQ Machine | 7909 Burden Rd Machesney Park, IL 61115 | |
| Qualiseal Technology | 7319 W Wilson Ave Harwood Heights, IL 60706 | |
| Plexus Corporation | 1 Plexus Way Neenah, WI 54957 | |
| Rapco Fleet Support, Inc. | 445 Cardinal Ln Hartland, WI 53029 | |
| PlaneTechs | 1520 Kensington Rd Ste 311 Oak Brook, IL 60523 | |
| UPS | 3300 Airport Dr Rockford, IL 61109 | |
| The Boeing Company | 100 N Riverside Plz Chicago, IL 60606 | |
| Universal Scrap Metals, Inc. | 2500 W Fulton St Chicago, IL 60612 | |
| Woodward, Inc. | 5001 N 2nd St PO Box 7001 Loves Park, IL 61111 | Additive Manufacturing, Coatings Application/Painting, Composites, Electrical and Mechanical Assemblies, Electronics, Engineering Services, Maintenance, Repair, Overhaul (MRO), Materials Testing, Nondestructive Testing, Precision Machining, Software, Technical Documentation, Test Equipment |
| Telefonix Inc. | 2340 Ernie Krueger Cir Waukegan, IL 60087 | |
| The Line Group, Inc. | 539 W Algonquin Rd Arlington Heights, IL 60005 | |
| Thomason Machine Works, Inc. | 5459 11th St Rockford, IL 61109 | |
| Tigerfish Aviation | 680 N Lake Shore Dr Box 1217 Chicago, IL 60611 | |
| Tri Part Screw Products, Inc. | 10739 N 2nd St Machesney Park, IL 61115 | |
| Unison Industries LLC | 530 Blackhawk Park Ave Rockford, IL 61104 | |
| United Air Lines, Inc. | 233 S Wacker Dr HDQHR Chicago, IL 60606 | |
| United, Continental Holdings, Inc | The United Building 77 W Wacker Dr Chicago, IL 60601 | |
| Universal Hovercraft | 1218 Buchanan St Rockford, IL 61101 | |
| Universal Technical Systems, Inc. | 202 W State St Ste 700 Rockford, IL 61101 | |
| Village of Rockton | 110 E Main St Rockton, IL 61072 | |
| Youngberg Industries, Inc. | 6863 Indy Dr Belvidere, IL 61008 | |
| UTC Aerospace Systems | 4747 Harrison Ave Rockford, IL 61108 | |
| Wilson Tool Corp | 2401 20th St Rockford, IL 61104 | |
| Truax Field Air National Guard Base | Dane County Regional Airport Madison, WI | |
| XPOLogistics | 729 Logistics Dr Belvidere, IL 61008 | |
| Vo-Tech, Inc. | 684 Tek Dr Crystal Lake, IL 60014 | |
| Waltz Bros., Inc. | 10 W Waltz Dr Wheeling, IL 60090 | |
| Top Notch Tool & Supply Inc | 5661 Jensen Dr Loves Park, IL 61111 |
