The Computer Merchant, LTD (TCM) | 15,309 followers on LinkedIn. A Veteran-Owned, National Recruiting Firm that has been in the IT Staffing Industry for 40+ Years | The Computer Merchant, LTD®, (TCM) is a Veteran-Owned, nationally recognized Information Technology & Software Engineering staffing and services firm. Headquartered in the Boston metro area, TCM specializes in servicing its clients and the technologists that we serve in Enterprise Technology contract assignments, direct-hire, project teams, SOW Project Solutions and Managed Staffing Programs. TCM's clients are represented by the very best Technologists who we have placed at Fortune 1000, mid-to-small/medium sized businesses, as well as, Federal, state and local government customers.