Using experience in developing scientific and industrial products for Intel 8086 microcomputers, the company purchased two PCs on the first day and up to 50 employees worked on the peripherals;[3] Tecmar's speed surprised even IBM.

IBM Product Centers sold Tecmar tape drives, giving the company an important advantage over rivals.

Alpert stayed on the board of directors briefly before founding Cumulus Corporation to market expansion cards for the IBM PS/2.

In 1991, Rexon purchased two other tape drive manufacturers, WangTek and WangDAT to add to the Tecmar product line.

In 2000, Overland Data saw this and acquired Tecmar in an effort to complement its line of higher end tape products.