, part of of Pennsylvania, has announced a new field organizational structure and named Northeast regional president of its Worcester-based operations.

The new regional field organization realigns the company's existing network of field offices into four geographic zones, Harleysville said in a press release.

Mr. Otmaskin has been president and chief operating officer of and since 2000. He joined the company in 1998. The new Northeast region includes Massachusetts, Connecticut, Maine, New Hampshire, New York, Rhode Island and Vermont.

MARLBORO -- , a maker of women's health products, said yesterday its board has authorized the company to buy back up to $200 million of Cytyc common stock.

The purchases will be made for up to four years through open market or private transactions, the company said. Cytyc stock rose 17 cents yesterday to close at $26.82 in trading on the Nasdaq Stock Market.

Central Paint Supply bought the property from and plans to use the facility to distribute auto paint to local body shops, according to a press release from , a commercial real estate firm. and of Katz brokered the sale. Katz is also the leasing agent for about 5,000 square feet in the building.

WASHINGTON — Interest rates on short-term Treasury bills were mixed in yesterday's auction, with rates on three-month bills rising to the highest level since April 2001. The auctioned $18 billion in three-month bills at a discount rate of 3.940 percent, up from 3.910 percent last week. Another $16 billion in six-month bills brought a discount rate of 4.155 percent, down from 4.195 percent last week.

The discount rates reflect that the bills sell for less than face value. For a $10,000 bill, the three-month price was $9,901.50, while a six-month bill sold for $9,791.10.

of Northboro was selected for two proposals: aerogel insulation for the thermal protection of Venus spacecraft and sprayable thermal insulation for cryogenic tanks.

has entered the $12 billion market for the fastest-growing flash memory chips through a joint venture with , tapping demand for components that power products such as the iPod music player.

Intel, the world's biggest computer chip maker, and memory-chip maker Micron will contribute $1.2 billion each initially to the new venture, which will use plants in Boise, Idaho; Manassas, Va.; and Lehi, Utah.

Two area public company insiders recently filed stock transactions with the U.S. Securities and Exchange Commission . John J. Healy , director of Providence and Worcester Railroad Co. in Worcester, bought 140 shares at $6.88 per share on Friday. His remaining holdings total 690.

WORCESTER — has given $2,500 to the Charlton Public Library capital campaign, which is raising funds for a $6.8 million renovation and expansion project.

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