Randall Rensch, Marketing Communication Concepts and Copywriting 
To show perspective, here's a cross-section of accounts I've worked on in this area over the years. Some a little, some a lot. Please call or write for more information.

Business-to-Business Copywriter

Airco Industrial Gases (gases, cryogenic food freezing equipment, welding products) • AlliedSignal fibers • Anaconda Ericsson • ASEA steelmaking, materials handling, and robotics systems • Atlantic Aviation • Azrock Commercial Flooring • Brut Men's Wear • Chemical Bank • CIT Alcatel • Citibank and CitiFinancial Colgate • Computer Shopper magazine • Domco Residential Flooring • IBM (and Lotus) • Iveco and Magirus trucks • KLM • Langer Biomechanical Group • Leader instruments • Legg Mason • M&T Chemicals • Manufacturers Hanover • MCI • Microsoft Norton Adhesives • Norton Performance Plastics • Rawlings Activewear • Raytheon • Sikorsky helicopters • Sony professional products • Thompson Bearings • United Technologies (several divisions) • Ziff-Davis
This is just part of my broad experience in marketing communications.
The list is not necessarily all-inclusive, and of course not everything is of the same weight. Since I didn't work directly for many of these companies, it should not be construed as a list of references or endorsements.
Randall Rensch, Marketing Communication Concepts and Copywriting