– Kilroy Realty Corp.

, an L.A.-based real estate investment trust, reported a net loss, after payment of preferred dividends, of $1.5 million (5 cents per diluted share) for the second quarter ended June 30, compared with income of $7.9 million (28 cents) for the like period a year earlier. Revenue rose to $60 million from $53.1 million in the comparable period of the prior year.

– Jacobs Engineering Group Inc.

, a Pasadena-based technical and construction services company, reported net income of $40.1 million (68 cents per diluted share) for the third quarter ended June 30, compared with $29.9 million (52 cents) for the like period a year earlier. Revenue rose to $1.4 billion from $1.1 billion in the comparable period of the prior year.

The company said it narrowed its full-year guidance and now anticipates earnings in the range of $2.52 to $2.58 per share.

– Avery Dennison Corp.

, a Pasadena-based maker of office products and adhesive labels, reported net income of $89.4 million (89 cents per diluted share) for the second quarter ended June 30, compared with $68.5 million (68 cents) for the like period a year earlier. Revenue rose 7 percent to $1.4 billion from $1.3 billion in the comparable period of the prior year.

Second-quarter earnings include a charge of 2 cents per share from asset impairments, transition costs associated with a plant shutdown and restructuring costs, while earnings in the prior-year period included a charge of 10 cents per share from a restructuring charge related to an acquisition. Excluding these costs, Avery reported net income of $91.8 million (91 cents per diluted share) for the second quarter, compared with $78.5 million (78 cents) for the like period a year earlier.

The company now expects its full-year earnings to be in the range of $2.95 to $3.20, up from previous guidance of $2.85 to $3.15.

– VCA Antech Inc.

, an L.A.-based animal health care company, reported net income of $11.3 million (13 cents per diluted share) for the second quarter ended June 30, compared with $18.2 million (22 cents) for the like period a year earlier. Revenue rose 21.6 percent to $206.6 million from $169.9 million in the comparable period of the prior year.

Second-quarter earnings included a charge of $11.5 million (14 per diluted share) for debt retirement costs related to both the refinancing of senior term notes and the purchase of senior subordinated notes, while net income for the prior-year period included a charge of $478,000 for debt retirement costs. Excluding these items, the company reported adjusted net income of $22.8 million (27 cents per diluted share) for the second quarter, compared with $18.6 million (22 cents) for the like period a year earlier.

The company expects third-quarter earnings of 23 cents to 24 cents per diluted share on revenues of $215 million to $218 million. Full-year earnings are expected to be in the range of 75 cents to 76 cents per diluted share on revenues of $819 million to $826 million. Adjusted full-year earnings are anticipated to be 89 cents to 90 cents per diluted share, which excludes after-tax debt retirement costs of 14 cents a share.

– Digital Insight Corp.

, a Calabasas-based online banking provider for financial institutions, reported net income of $6.4 million (18 cents per diluted share) for the second quarter ended June 30, compared with $4.5 million (13 cents) for the like period a year earlier. Revenue rose 12 percent to $52.3 million from $46.9 million in the comparable period of the prior year.

Excluding costs related to paying off intangible assets from acquisitions, net income in the second quarter was $7.6 million (21 per diluted share), compared with $5.8 million (16 cents) for the like period a year earlier.

The company expects third-quarter earnings of 17 cents to 18 cents per diluted share on revenues of $52.8 million to $53.3 million. Third-quarter adjusted earnings are anticipated to be between 21 cents to 22 cents per diluted share.

Full-year earnings are expected to be in the range of 68 cents to 70 cents per diluted share on revenues of $211.5 million to $213.5 million, up from previous guidance of 64 cents to 68 cents per diluted share on revenues of $211 million to $214 million. Full-year adjusted earnings are anticipated to be between 82 cents to 84 cents per diluted share, up from previous guidance of 78 cents to 82 cents.

& #8226; Guitar Center Inc.

, a Westlake Village-based musical instrument retailer, reported net income of $12.9 million (46 cents per diluted share) for the second quarter ended June 30, compared with income of $12.1 million (45 cents) for the like period a year earlier. Revenue rose 18.5 percent to $402.3 million from $339.6 million in the comparable period of the prior year.

Second-quarter net income includes charges of $2.1 million (7 cents per diluted share) related to the acquisition of Music & Arts Center, Inc. Excluding these acquisition charges, net income was $15 million (53 cents per diluted share). Year-ago levels were not affected.

The company reaffirmed its third quarter forecast, saying earnings will be between 48 cents to 52 cents per diluted share on revenues of $423.1 million to $434.2 million.