Dense-Pac Microsystems Inc.:

The Garden Grove maker of electronic design and manufacturing systems posted a fourth-quarter loss of $669,000, or 3 cents a share, compared with a profit of $864,000, or 4 cents a share, a year earlier. Revenue for the three months ended Feb. 28 rose 22% to $8 million. For the fiscal year, the company earned $1.8 million, or 9 cents a share, down from $2.6 million, or 13 cents a share, the previous year. Revenue rose 30% to $35.8 million.