Microvision Inc. (MVIS: chart), which makes high-resolution displays, reported a fourth-quarter net loss of $8.68 million, or 21 cents a share, compared with a net loss of $5.42 million, or 23 cents a share, in the year-ago period. Revenue fell to $1.84 million from $2.71 million a year earlier.

First Consulting Group Inc. (FCGI: chart), software and IT services provider, reported that it swung to a fourth-quarter net profit of $5.09 million, or 19 cents a share, from a net loss of $10.2 million, or 41 cents a share, in the year-ago period. Revenue fell to $69.8 million from $73.1 million a year earlier.

Clean Harbors Inc. (CLHB: chart), which provides environmental and hazardous waste management, reported fourth-quarter net income rose 45% on 20% higher revenue. Earnings rose to $11.5 million, or 56 cents per share, from $8 million, or 43 cents per share, in the year-earlier period. Revenue reached $231.8 million from $193.7 million in the same quarter a year earlier.

AAON Inc. (AAON: chart), rooftop air conditioner and heater maker, said that its fourth-quarter earnings increased to $4.5 million, or 35 cents per share, compared with a year-ago profit of $2.3 million, or 18 cents per share. Sales climbed to $54.6 million against $48.9 million in the same period a year earlier.

Biolase Technology Inc. (BLTI: chart), dental laser company, reported fourth-quarter net income of $1 million, or 4 cents per share, compared with net loss of $1.2 million, or 5 cents per share, in the final three months of 2005. Quarterly revenue rose 5%, reaching $19.8 million for the latest quarter benefited from $417,000 in license-fee revenue generated from the amortization of a $5 million payment received from Henry Schein Inc.