Welcome to Asset Conversion Specialists, Inc. ACS buys and sells idle assets, new or used. We also assist many companies in selling, liquidating or recycling their excess equipment or materials on a contract or consignment basis. 7151 South Harl Avenue Tempe, Arizona 85283 Voice: (800)982-7738 Voice: (480)775-2590 Fax: (480)775-2572 Business Home page | Products home | Locations | What's New ...