Managing Reflected Light

Application-Specific Solutions

Headwall focuses on the acquisition and exploitation of reflected light for commercial and government customers. Across its four markets, the Company provides:

  • Integrated hyperspectral imaging solutions

  • Spectral imaging sensors

  • Raman imaging instruments

  • Diffraction gratings and optical modules for OEM applications.


Our Four Markets

Headwall's spectral instruments provides differentiated solutions for these markets:



Our Spectral Ranges 




Our Quality

Headwall is certified to the quality standards of ISO 9001:2015


We will develop and deliver spectral instrumentation solutions for our customers that meet or exceed expectations while providing full product support. Headwall will invest in our core markets with a focus on continuous improvement for the benefit of all of our interested parties, including employees, suppliers, and our local and global communities.

Our Leadership 


Management Team

  • David Bannon - President & CEO

  • Don Battistoni - Vice President of Sales & Marketing

  • David Blair - Vice President of Product Development

  • Michael Mielke - Vice President of Engineering

  • Jim Gennari - Director of Finance

  • Christian Felsheim - Director of Headwall Europe

Board of Directors

  • David Bannon - Chairman, President & CEO  David has positioned Headwall as a worldwide provider of instrument-based spectral sensing solutions that touch many aspects of daily life. From precision agriculture and industrial food inspection to critical areas such as homeland security and military reconnaissance, David has helped bring the science of spectral imaging to new application areas and geographical regions.

  • Melba Crawford - Associate Dean of Engineering for Research, Purdue University  Dr. Crawford is a leading expert in the field of remote sensing and agronomy at Purdue University. Her focus is primarily on data analysis and image classification for agricultural applications. With experience working with imaging sensors deployed on satellites and UAVs, Dr. Crawford has a very distinguished track record of teaching the science of remote sensing while also successfully deploying the technology across her fields of study.

  • Chris Calling - Chris has more than 25 years in the Photonics industry, including leading the sales and marketing functions at Andor Technology and growing the business from pre-revenue to over $150M globally. Chris also helps shape the growth and direction of Headwall's commercial business. Chris currently lives in North Carolina where he and his wife are heavily involved in the sports and hospitality field.

  • Larry Barstow - Headwall Co-Founder. Larry was the General Manager of Agilent’s Holographic Grating Operation when he co-founded Headwall Photonics. Larry contributes over 30 years of Global Supply Chain and Manufacturing experience with state-of-the-art medical and optical products.


Our Facilities


Bolton, USA


This is Headwall’s headquarters, home to sales, engineering, and systems assembly. Located less than an hour west of  Boston, Massachusetts.


Fitchburg, USA


Patented master-quality holographic diffraction gratings are produced in controlled clean rooms at Headwall's Fitchburg, Massachusetts facility.


Brussels, Belgium


Headwall BVBA is a wholly-owned subsidiary of Headwall, with a focus on sales, customer support, and light manufacturing for the European continent.



Visit Our Bolton, Massachusetts Facility


Direct Sales

Headwall sells direct in the US and in countries not covered by our channel partners. Click here or on the blue button at the top of the page to request more information or to be contacted by your local sales professional.

Our Channel Partners

Headwall is supported globally by leaders in the field of instrumentation who manage all pre- and post-sales activities and support.







Analytik serves the U.K. and Ireland from its headquarters in Swavesey, Cambridge.


Grupo ALAVA serves Spain and Portugal from its headquarters in Barcelona.


Geo-Konzept serves Germany, Austria, Switzerland, and Eastern Europe. Their headquarters is in Adelschlag, Germany.


Visratek serves Turkey from its headquarters in Ankara.


Polytec Gmbh serves Germany from its headquarters in Waldbronn.

Screen Shot 2021-06-08 at 9.12.15 AM

EC Test Systems serves Poland from its headquarters in Krakow.


Asia/Pacific Region



NBL Imaging Systems serves China from its headquarters in Guangzhou, China.


Golden Way Scientific serves China from its headquarters in  Beijing.


Ocean Insight serves China from several locations throughout the country.


Portable Analytical Solutions serves Australia and New Zealand from multiple locations in Australia.

Cadence 2018.jpg

Cadence Technologies serves Singapore and the Southeast Asia Region.


Young-In serves South Korea from its headquarters in Seoul.


Electrotek serves India from its headquarters in Chennai.


Argo Corporation serves Japan from its headquarters in Osaka.


Rightek serves Taiwan from its headquarters in New Taipei City.


Advanced Instrument Manufacturing India Limited (AIMIL) serves key applications in India from New Delhi.


South America


INTERRA GEA-2018.png

INTERRA GEA serves the South American country of Colombia from its office in Bogota.


INTERRA serves the South American country of Chile from its office in Santiago.


TECNAL serves the South American country of Brazil from its office in Piracicaba, Brazil.