Donald S. Battistoni

ZYGO Corp. designs, manufactures and distributes optical systems and components for metrology and end-user applications. It operates through two segments: Metrology Solutions and Optical Systems. The Metrology Solutions division is comprised of three business units: Precision Positioning Systems, Vision Systems, and Instruments. This division's products employ various optical phase analysis techniques for measuring displacement, surface shape and texture, and film thickness. The Optical Systems division is comprised of two business units: Electro-Optics and Optical Components. The company was founded in 1970 and is headquartered in Middlefield, CT.

Headwall Photonics, Inc. designs and manufactures diamond-turned and original diffraction gratings including original planar, aberration-corrected concave and convex, and Rowland circle gratings in standard and custom formats. It specializes in the alignment and packaging of these gratings to deliver ruggedized spectral modules for OEM applications. The firm provides services for the analytical, life sciences and medical, and telecommunications industries. The company was founded by David Bannon and Larry Barstow in May 2003 and is headquartered in Fitchburg, MA.