4 MFG ia a Chicago Based Industrial Business to Business marktplace designed for you the Chicago area manufacturer. We are creating a real and virtual Chicago area industrial marketplace for manufaturers and companies to compete in the new online environment. We are Chicagoans with over 75 years of experience serving Chicago area manufacturers. 4 MFG is different from other Internet start-ups. 4 MFG was founded by and staff by energetic, forward thinking, experinced Chicago area businessmen and women. The 4 MFG team believes that when fundamental business principals are used with Internet technology, success is inevitable.